{"title":"Chair Tilt Mechanisms","description":"\u003cp\u003eReplacement tilt mechanisms and seat controls for office chairs.\u003c\/p\u003e","products":[{"product_id":"replacement-tilt-mechanism-cover-for-herman-miller-classic-aeron-chair","title":"Herman Miller Aeron Classic (V1) Compatible – Tilt Mechanism Cover","description":"\u003cdiv\u003e\n\u003ch1\u003eHerman Miller Aeron Classic (V1) Compatible – Tilt Mechanism Cover\u003c\/h1\u003e \u003cp\u003eRefresh your Herman Miller Aeron Classic with a factory-quality tilt mechanism cover designed specifically for V1 chairs. Built to fit Aeron Classic sizes A, B, and C, this snap-in replacement delivers a seamless, like-new look with a quick, tool-free installation.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eTailored fit for Aeron Classic (V1) chairs, compatible with sizes A, B, and C for a precise, no-guess installation\u003c\/li\u003e \u003cli\u003eFinish options: Graphite or Titanium Zinc to match your chair frame and colorway\u003c\/li\u003e \u003cli\u003eSnap-in installation with no tools required—align, press into place, and you're done\u003c\/li\u003e \u003cli\u003eProtects the tilt mechanism from dust, wear, and daily use while restoring the chair’s silhouette\u003c\/li\u003e \u003cli\u003eFactory-quality construction designed for durability and a near-original appearance over time\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRestore a cohesive, like-new aesthetic to Aeron Classic chairs without the cost of a full replacement\u003c\/li\u003e \u003cli\u003eExtend the life of the tilt assembly by shielding it from dust and wear, helping maintain performance\u003c\/li\u003e \u003cli\u003eMinimize downtime with a quick, tool-free upgrade—ideal for busy environments like home offices, studios, or corporate spaces\u003c\/li\u003e \u003cli\u003ePerfect for refurbishing fleets, rental properties, or personal workstations where a consistent look matters\u003c\/li\u003e \u003cli\u003eColor options allow you to harmonize with existing interiors or create a cooler metallic accent with Titanium Zinc\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Herman Miller","offers":[{"title":"Graphite \/ Full Set","offer_id":47488234782872,"sku":"OLS-HM-AEC-TMC-GRA-FS","price":39.0,"currency_code":"USD","in_stock":true},{"title":"Graphite \/ Top Cover","offer_id":47488234815640,"sku":"OLS-HM-AEC-TMC-GRA-TOP","price":25.0,"currency_code":"USD","in_stock":true},{"title":"Graphite \/ Bottom Cover","offer_id":47488234848408,"sku":"OLS-HM-AEC-TMC-GRA-BOT","price":25.0,"currency_code":"USD","in_stock":true},{"title":"Titanium Zinc \/ Full Set","offer_id":47488234881176,"sku":"OLS-HM-AEC-TMC-ZIN-FS","price":39.0,"currency_code":"USD","in_stock":true},{"title":"Titanium Zinc \/ Top Cover","offer_id":47488234913944,"sku":"OLS-HM-AEC-TMC-ZIN-TOP","price":25.0,"currency_code":"USD","in_stock":true},{"title":"Titanium Zinc \/ Bottom Cover","offer_id":47488234946712,"sku":"OLS-HM-AEC-TMC-ZIN-BOT","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/herman-miller-aeron-classic-v1-compatible-tilt-mechanism-cover-by-ols-7810323.png?v=1763821500"},{"product_id":"remastered-aeron-chair-arm-mechanism","title":"Remastered Aeron Chair Arm Mechanism","description":"\u003cdiv\u003e\n\u003ch1\u003eRemastered Aeron Chair Arm Mechanism\u003c\/h1\u003e \u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eRestore the precise, fluid adjustment of your Remastered Aeron chair with our Arm Mechanism Replacement. Designed for users who rely on ergonomic customization, this part brings back effortless arm movement and dependable support.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCompatibility: Fits Remastered Aeron chairs with fully adjustable arms; suitable for sizes A, B, and C\u003c\/li\u003e \u003cli\u003eColor: Graphite finish to seamlessly match most chair frames\u003c\/li\u003e \u003cli\u003eAmbidextrous design: Works on both left- and right-side arms\u003c\/li\u003e \u003cli\u003eDirect replacement: Replaces the arm mechanism; arm pad not included\u003c\/li\u003e \u003cli\u003eAuthentic sourcing: Obtained from authorized Herman Miller suppliers and sources\u003c\/li\u003e \u003cli\u003eAvailability and shipping: Free shipping; lead time 3–4 weeks\u003c\/li\u003e \u003cli\u003eVolume discounts: Contact us for discounted quotes on bulk orders\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eErgonomic return: Reestablish smooth, precise height, tilt, and width adjustments to support optimal posture during long work sessions, calls, or design tasks\u003c\/li\u003e \u003cli\u003eCost-effective longevity: Extends the life of your chair by replacing a worn or broken arm mechanism instead of purchasing a new chair\u003c\/li\u003e \u003cli\u003eSeamless integration: Graphite hardware aligns with the Remastered Aeron aesthetic for a cohesive look\u003c\/li\u003e \u003cli\u003ePeace of mind: Genuine replacement parts from authorized sources ensure proper fit, reliability, and long-term performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Herman Miller","offers":[{"title":"Default Title","offer_id":48017108172952,"sku":"U1BH0K0 D G1","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/aeron_chair_arm_mechanism_replacement__14397.1698677938_6b053105-eba4-4c95-98f3-51f329e238fb.png?v=1768508039"},{"product_id":"heavy-duty-office-chair-tilt-mechanism","title":"Heavy Duty Office Chair Tilt Mechanism","description":"\u003cdiv\u003e\n\u003ch1\u003eHeavy Duty Office Chair Tilt Mechanism – 500 lb Capacity Replacement\u003c\/h1\u003e \u003cp\u003eDesigned for larger users and chairs that endure heavy daily use, this Heavy Duty Tilt Mechanism replaces worn or bending tilt systems to restore stability and smooth motion. The manufacturer states a capacity of up to 500 lbs, signaling robust performance for demanding environments. This is a bulkier, heavier alternative to standard mechanisms, built to withstand greater wear over time.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eWeight capacity: manufacturer-stated up to 500 lbs\u003c\/li\u003e \u003cli\u003eMounting pattern: screw holes measure 6\" x 10\"\u003c\/li\u003e \u003cli\u003eFinish: black\u003c\/li\u003e \u003cli\u003eAccepts tapered pneumatic gas cylinders (recommended to upgrade for best results)\u003c\/li\u003e \u003cli\u003eSingle lever for gas cylinder activation\u003c\/li\u003e \u003cli\u003ePush lever to lock tilt; pull to unlock tilt\u003c\/li\u003e \u003cli\u003eHand wheel for precise tilt tension adjustment\u003c\/li\u003e \u003cli\u003eModel: ORP2979HD\u003c\/li\u003e \u003cli\u003eIn stock and ready to ship\u003c\/li\u003e \u003cli\u003eIdeal for larger chairs and high-use environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRestores reliable tilt function for chairs that have worn out mechanisms, reducing wobble and sag during use.\u003c\/li\u003e \u003cli\u003eSupports heavier users with a robust build designed to resist bending and wear, improving long-term chair performance.\u003c\/li\u003e \u003cli\u003eAllows precise control of tilt tension through the hand wheel, so you can tailor resistance to your seating posture and task\u003c\/li\u003e \u003cli\u003eSimple single-lever operation for gas cylinder activation and a straightforward tilt lock\/unlock experience.\u003c\/li\u003e \u003cli\u003eCompatible with tapered gas cylinders and standard mounting patterns, enabling a seamless replacement path when upgrading seating hardware.\u003c\/li\u003e \u003cli\u003ePairing with a heavy-duty gas cylinder is recommended to achieve optimal tilt range and stability; a Heavy Duty Gas Cylinder and Tilt Mechanism Combination Kit is available (volume discounts may apply).\u003c\/li\u003e \u003cli\u003eSuitable for a range of environments—home offices, studios, reception areas, and workspaces where durable seating is essential.\u003c\/li\u003e \u003cli\u003eClear value proposition for chair owners looking to extend the life of their investment without compromising safety or comfort.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"businessfurnitureshop","offers":[{"title":"Default Title","offer_id":48017112531096,"sku":"ORP2979HD","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/chair-adjustment-device-for-office-chairs__86621.1683675176_acaef13a-bb4a-444f-82b9-064d858946e4.jpg?v=1768508126"},{"product_id":"swivel-tilt-control-gaming-chair-seat-mechanism-replacement-heavy-duty","title":"Swivel Tilt Control Gaming Chair Seat Mechanism Replacement Heavy Duty","description":"\u003cdiv\u003e\n\u003ch1\u003eSwivel Tilt Control Gaming Chair Seat Mechanism Replacement – Heavy-Duty\u003c\/h1\u003e \u003cp\u003eRestore stable, reliable movement to your gaming chair with this heavy‑duty swivel tilt mechanism. Designed for heavier gamers and a wide range of popular chair models, it fixes wobble, squeaks, and flop‑back tendencies without needing a new chair.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eHeavy‑duty steel construction for lasting durability\u003c\/li\u003e \u003cli\u003eStandard mounting pattern: 6\" x 10\" screw holes for broad compatibility\u003c\/li\u003e \u003cli\u003eAccepted tapered chair cylinder lifts for flexible installation\u003c\/li\u003e \u003cli\u003eSingle lever activates the gas cylinder for easy height control\u003c\/li\u003e \u003cli\u003ePush lever locks the tilt; pull to unlock for smooth adjustment\u003c\/li\u003e \u003cli\u003eHand wheel for precise tilt tension adjustment\u003c\/li\u003e \u003cli\u003eColor: Black\u003c\/li\u003e \u003cli\u003eFree shipping and in‑stock availability\u003c\/li\u003e \u003cli\u003eCompatibility with multiple major brands and models (see list in description)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eEliminates chair wobble and unwanted tilting, extending the life of your chair’s base and upholstery\u003c\/li\u003e \u003cli\u003eProvides controlled, customizable tilt and tension for comfortable long‑session gaming\u003c\/li\u003e \u003cli\u003eSimple replacement that fits many popular chairs, saving time and money compared to a full chair replacement\u003c\/li\u003e \u003cli\u003eClear installation path with standard mounting holes and familiar tilt features\u003c\/li\u003e \u003cli\u003eIncludes support for volume discounts—contact for details\u003c\/li\u003e \u003cli\u003eIf you’re unsure this will fit your chair, you can reach out with a photo of your chair’s base and mounting area for guidance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNotes: We source parts from authorized suppliers and provide replacement components for listed chair brands. We do not claim to be affiliated with the manufacturers; this is a genuine replacement part designed to restore function and extend chair life.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"businessfurnitureshop","offers":[{"title":"Default Title","offer_id":48017112563864,"sku":"ORP2979-HD-GAME","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/tilt-adjustment-base-for-gaming-chairs__85792.1684328427_fb8f8218-fb79-4a39-9607-f5915dadde17.jpg?v=1768508127"},{"product_id":"office-chair-mechanism-model-s2886-425x-7-screw-pattern","title":"Office Chair Mechanism Model: S2886 (4.25\"X 7\" Screw Pattern)","description":"\u003cdiv\u003e\n\u003ch1\u003eOffice Chair Mechanism S2886 — Black Swivel Mechanism with 4.25\" x 7\" Screw Pattern\u003c\/h1\u003e \u003cp\u003eThe S2886 swivel office chair mechanism is a reliable replacement part designed for chairs that use a standard tapered gas lift. With a compact 4.25\" x 7\" screw pattern and a sleek black finish, it’s built to restore smooth height and tilt control in compatible chairs.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e S2886 Swivel Mechanism\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eColor\/finish:\u003c\/strong\u003e Black\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eScrew pattern:\u003c\/strong\u003e 4.25\" x 7\" (dimensions provided; the product drawing is measured in millimeters)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGas lift activation:\u003c\/strong\u003e Single lever for easy cylinder activation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTilt angle:\u003c\/strong\u003e 2-degree tilt for a gentle recline\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Accepts standard tapered lift; accepts S4513 back uprights that are 2.25\" wide\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNotes:\u003c\/strong\u003e Current availability shows as unavailable; volume discounts are available by inquiry\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cp\u003eDesigned for repair professionals and refurbishment projects, the S2886 ensures a straightforward replacement path when chairs share the same screw pattern and upright width. By supporting a single-lever gas lift activation and a controlled 2° tilt, it helps maintain ergonomic seating habits without sacrificing chair stability.\u003c\/p\u003e \u003cp\u003eKey practical advantages include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFast, reliable restoration of height adjust and tilt function in compatible chairs\u003c\/li\u003e \u003cli\u003eConsistent fit with chairs using \u003cstrong\u003eS4513 2.25\"\u003c\/strong\u003e back uprights, reducing guesswork during replacements\u003c\/li\u003e \u003cli\u003eBlack finish that blends with most office interiors and existing chair frames\u003c\/li\u003e \u003cli\u003eVolume discounts for bulk orders, ideal for repair shops, facilities teams, and furniture refurbishers\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this mechanism when you’re refreshing a chair that relies on a standard tapered lift and a 4.25\" x 7\" mounting pattern. If you’re planning a bulk refresh or parts inventory, inquire about volume pricing to optimize your procurement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"businessfurnitureshop","offers":[{"title":"Default Title","offer_id":48017112629400,"sku":"S2886","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/S2886__57908.1368057034.jpg?v=1768508130"},{"product_id":"office-chair-mechanism-model-s3608","title":"Office Chair Mechanism Model: S3608","description":"\u003cdiv\u003e\n\u003ch1\u003eOffice Chair Mechanism Model S3608\u003c\/h1\u003e\n\u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eOffice Chair Mechanism Model S3608 is a modular tilt system designed for replacement in professional chairs. It offers independent control over gas lift, seat tilt, forward tilt, and back tilt to support a customized and comfortable seating experience.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: This item is not currently available.\u003c\/em\u003e\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eFour independent levers for precise control: gas cylinder activation, seat tilt activation, forward tilt activation, and back tilt activation.\u003c\/li\u003e \u003cli\u003eAccepts standard tapered lift, ensuring compatibility with common gas cylinders used in office chairs.\u003c\/li\u003e \u003cli\u003eBack upright compatibility with S4139 components to maintain alignment and fit.\u003c\/li\u003e \u003cli\u003eColor: Black, designed to integrate with a wide range of chair styles.\u003c\/li\u003e \u003cli\u003eProduct drawings provided in millimeters, with a clear inch-to-millimeter reference (1 inch = 25.4 mm).\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eEnhanced ergonomic versatility: tailor seat tilt, forward tilt, and back tilt independently to suit different tasks and posting styles.\u003c\/li\u003e \u003cli\u003eStreamlined refurbishment and replacement: swap in the S3608 mechanism to extend the life of existing chairs without a full rebuild.\u003c\/li\u003e \u003cli\u003eIdeal for OEM projects, refurbishing offices, or custom chair builds that demand modular, reliable tilt and height adjustments.\u003c\/li\u003e \u003cli\u003eMaintains compatibility with S4139 back upright components, reducing installation tweaks and ensuring a cohesive look and fit.\u003c\/li\u003e \u003cli\u003eClear dimensional references from the millimeter-based drawing support precise planning and installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"businessfurnitureshop","offers":[{"title":"Default Title","offer_id":48017112694936,"sku":"S3608","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/s3608__30349.1369446986_cc5fea71-d438-4c2e-9187-be004a6c8b37.jpg?v=1768508131"},{"product_id":"office-chair-mechanism-model-s4093-2","title":"Office Chair Mechanism Model: S4093-2","description":"\u003cdiv\u003e\n\u003ch1\u003eOffice Chair Mechanism Model S4093-2 — Back Tilt \u0026amp; Gas Lift (Black)\u003c\/h1\u003e \u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eIntroducing the Office Chair Mechanism Model S4093-2 — a back-tilt and gas-lift mechanism designed for retrofit on chairs that use a standard tapered lift and the S4683 back upright, finished in black. Please note this item is currently not available.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Accepts standard tapered gas cylinder lift; accepts S4683 back upright\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Separate levers for gas-cylinder activation and back tilt activation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e Product drawings measured in millimeters; conversion guidance included (1 inch = 25.4 mm)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Designed for retrofit\/replacement to restore tilt and height adjustment on compatible office chairs\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cp\u003eThe S4093-2 mechanism brings back reliable tilt and height control to compatible chairs, with intuitive, single-lever actions for both gas lift and back tilt. By replacing worn components, you can extend the life of an existing chair and maintain ergonomic support during long work sessions. Its compatibility with standard tapered lifts and the S4683 back upright makes it a practical retrofit solution for a variety of seat models. The black finish pairs well with most office aesthetics, and the millimeter-based drawings facilitate precise fitment and installation planning.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"businessfurnitureshop","offers":[{"title":"Default Title","offer_id":48017112727704,"sku":"S4093-2","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/S4093__87324.1368660194_232e7a3e-d8e4-4e02-b9b5-97e52b5f6eb9.jpg?v=1768508132"},{"product_id":"office-chair-mechanism-model-s4118","title":"Office Chair Mechanism Model: S4118","description":"\u003cdiv\u003e\n\u003ch1\u003eS4118 Office Chair Mechanism with Back Tilt – Black\u003c\/h1\u003e \u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eThe S4118 Office Chair Mechanism is a reliable swivel mechanism designed for chair refurbishers, technicians, and DIY projects. It delivers smooth back-tilt control and straightforward gas-lift activation in a durable black finish. Note: this item is currently not available.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eSwivel mechanism with integrated back tilt\u003c\/li\u003e \u003cli\u003eAccepts standard tapered gas lift columns\u003c\/li\u003e \u003cli\u003eSingle lever for gas cylinder activation\u003c\/li\u003e \u003cli\u003eSingle lever for back tilt adjustment\u003c\/li\u003e \u003cli\u003eBack tilt lever locks at any position for customizable comfort\u003c\/li\u003e \u003cli\u003eDesigned to fit straight back uprights 2.25 inches wide (approximately 57.15 mm)\u003c\/li\u003e \u003cli\u003eColor: Black with a neutral, compatibility-friendly finish\u003c\/li\u003e \u003cli\u003eSuitable for retrofit projects and replacements in office chairs\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eEnhances ergonomic adaptability by separating height and tilt controls, allowing precise posture adjustments during long work sessions\u003c\/li\u003e \u003cli\u003eFacilitates easy installation with standard tapered lifts, reducing downtime in repair or refurbishment projects\u003c\/li\u003e \u003cli\u003eVersatile back-tilt capability enables you to set a comfortable recline angle and lock it in any position for sustained support\u003c\/li\u003e \u003cli\u003eIdeal for refurbishing aging chairs or updating function in a variety of office environments, from home offices to workstations\u003c\/li\u003e \u003cli\u003eBlack finish maintains a clean, professional look that blends with most chair frames and interiors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"businessfurnitureshop","offers":[{"title":"Default Title","offer_id":48017112760472,"sku":"S4118","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/S4118__69265.1321927386.gif?v=1768508133"},{"product_id":"office-chair-mechanism-model-s4264","title":"Office Chair Mechanism Model: S4264","description":"\u003cdiv\u003e\n\u003ch1\u003eOffice Chair Mechanism Model S4264: Swivel\/Tilt with Tilt Lock\u003c\/h1\u003e\n\u003cp\u003eNote: This item is currently not available. The S4264 Office Chair Mechanism is a durable swivel\/tilt module designed for chairs that use standard tapered lifts, delivering reliable tilt control and a clean black finish.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e S4264 — Swivel\/Tilt Mechanism with Tilt Lock\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish\/Color:\u003c\/strong\u003e Black\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Accepts standard tapered lift (gas cylinder)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eActivation:\u003c\/strong\u003e Single lever for gas cylinder activation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTilt Lock:\u003c\/strong\u003e Push lever to lock, pull to unlock\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTilt Tension Adjustment:\u003c\/strong\u003e Hand wheel adjusts the tilt resistance\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e Product drawing is in millimeters (mm); conversion 1 inch = 25.4 mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability note:\u003c\/strong\u003e Volume discounts available — inquire within\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cp\u003eThe S4264 mechanism provides a reliable, easily adjustable seating experience by integrating tilt lock and tilt tension in one component. It’s ideal for chairs undergoing replacement when the existing mechanism wears out, or when you’re upgrading to a more controllable tilt setup.\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrecise tilt control: The hand wheel lets you dial in the right resistance for your weight, posture, and work style, helping reduce fatigue during long days.\u003c\/li\u003e \u003cli\u003eSecure tilt options: Tilt lock ensures you can fix the chair at your preferred angle for focused tasks or ergonomic alignment.\u003c\/li\u003e \u003cli\u003eWide compatibility: Designed for chairs that accept a standard tapered lift, making it a versatile replacement part for a broad range of models.\u003c\/li\u003e \u003cli\u003eSimple replacement: Swap in the S4264 mechanism to restore smooth motion without replacing the entire chair.\u003c\/li\u003e \u003cli\u003eErgonomic versatility: Suitable for home offices, shared desks, and workplaces where consistent tilt behavior supports productivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"businessfurnitureshop","offers":[{"title":"Default Title","offer_id":48017112826008,"sku":"S4264","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/S4264_45668.1321927446.1280.1280__87068.1370383836_d6613310-e120-43d2-a848-65b74ea19705.jpg?v=1768508135"},{"product_id":"office-chair-mechanism-model-s4386","title":"Office Chair Mechanism Model: S4386","description":"\u003cdiv\u003e\n\u003ch1\u003eOffice Chair Mechanism Model: S4386 — Swivel Tilt with Locking Levers\u003c\/h1\u003e\n\u003cp\u003eThe S4386 swivel mechanism is a replacement part designed for DIY chair builds and chair-repair projects, delivering reliable seat and back tilt control in a compact black package. Note: this item is currently not available.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eSwivel mechanism with integrated seat and back tilt\u003c\/li\u003e \u003cli\u003eSingle lever controls gas cylinder activation\u003c\/li\u003e \u003cli\u003eSingle lever controls back and seat tilt adjustment\u003c\/li\u003e \u003cli\u003eLocking levers for seat and back tilt allow positioning in any angle\u003c\/li\u003e \u003cli\u003eDesigned to accept straight 2.25\" wide back uprights\u003c\/li\u003e \u003cli\u003eWorks with standard tapered gas lift cylinders\u003c\/li\u003e \u003cli\u003eFinish: Black\u003c\/li\u003e \u003cli\u003eEngineering notes: product drawing measurements are in millimeters (mm); conversion reference is 1 inch = 25.4 mm\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cp\u003eWith the S4386, you gain precise, independent control over how your chair tilts, helping you tailor comfort for long workdays or intensive drafting sessions. The dual-lever system simplifies adjustments—one lever handles gas lift activation while the other governs tilt for the seat and back—so you can fine-tune your posture without interrupting your workflow.\u003c\/p\u003e\n\u003cp\u003eThis mechanism is ideal for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or broken tilt assembly in existing office chairs\u003c\/li\u003e \u003cli\u003eDIY chair projects where a reliable tilt and lock function is needed\u003c\/li\u003e \u003cli\u003eCustom ergonomic setups that require locking the seat or back tilt at in-between angles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKey practical considerations: ensure your chair frame accommodates a straight 2.25\" back upright and that the installation plan uses a standard tapered gas lift. The black finish blends with most chair designs, making it a versatile addition to refurbishing projects or new builds alike.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"businessfurnitureshop","offers":[{"title":"Default Title","offer_id":48017112858776,"sku":"S4386","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/S4386__74201.1321927319_9522699a-e6d7-42c1-8b74-d5278a62d6fb.gif?v=1768508136"},{"product_id":"office-chair-mechanism-model-s4400","title":"Office Chair Mechanism Model: S4400","description":"\u003cdiv\u003e\n\u003ch1\u003eOffice Chair Mechanism Model S4400 — Tilt with Seat Slider (Black)\u003c\/h1\u003e \u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eThe Office Chair Mechanism Model S4400 is a modular tilt system with an integrated seat slider, designed for refurbishing or building ergonomic chairs. It’s compatible with standard chair frames and pairs well with the S4139 back upright, finished in black for a cohesive look.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSeat and Back Tilt Mechanism with Seat Slider\u003c\/strong\u003e provides independent tilt control alongside adjustable seat depth.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAccepts standard tapered lift\u003c\/strong\u003e to fit most common gas cylinders used in office chairs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eControl levers\u003c\/strong\u003e — one lever for gas cylinder activation, plus separate levers for seat tilt, forward tilt, and back tilt activation; a rear lever governs seat slider activation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eColor and compatibility\u003c\/strong\u003e — black finish designed to integrate with existing chair aesthetics and compatible with S4139 back upright components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEngineering reference\u003c\/strong\u003e — product drawing is provided in millimeters (mm) for precise installation and alignment (conversion: 1 inch = 25.4 mm).\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cp\u003eEnhance seating ergonomics with precise control over height, tilt, and seat depth, helping users maintain a healthy posture during long workdays. The separate tilt levers allow quick adjustments for different tasks—typing, reading, or collaborating—without sacrificing support. Designed for refurbishing projects or new chair builds, S4400 offers reliable compatibility with standard components and the S4139 back upright, making it easier to source matching parts and reduce downtime. Whether you’re updating an office fleet or assembling a customized workspace, this mechanism provides flexible, durable adjustment options in a compact, black package.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"businessfurnitureshop","offers":[{"title":"Default Title","offer_id":48017112891544,"sku":"S4400","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/S4400-1__31475.1321927829_6a948daf-3150-47d4-8c77-08d82b9ccdf7.gif?v=1768508137"},{"product_id":"office-chair-mechanism-model-s3974","title":"Office Chair Mechanism Model: S3974","description":"\u003cdiv\u003e\n\u003ch1\u003eOffice Chair Mechanism S3974 — Black Swivel Mechanism\u003c\/h1\u003e \u003cp\u003eThe Office Chair Mechanism Model S3974 is a durable swivel component designed for chairs that use a tapered lift and a single-lever gas activation. It’s currently not in stock, but understanding its specs helps you compare compatibility and choose the right replacement approach, including our universal swivel option.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFinish and color:\u003c\/strong\u003e Black powder-coated housing for a clean, professional look that blends with most office chairs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Accepts standard tapered lift and supports S4513 back uprights measuring 2.25\" (57.15 mm) wide.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Single lever for gas cylinder activation, enabling easy height adjustment from a seated position.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAngle design:\u003c\/strong\u003e 0-degree angle configuration for a straightforward, level seating feel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e Product drawings are provided in millimeters (mm); inches to millimeters conversion: 1 inch = 25.4 mm.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cp\u003eFor repair technicians, facilities managers, and anyone refreshing an office chair, S3974 offers a reliable reference point for compatibility. While the exact model isn’t currently available, its specifications map cleanly to common chair builds and to the universal swivel replacements we offer, helping minimize downtime and keep chairs in productive service.\u003c\/p\u003e \u003cp\u003eKey benefits include smoother rotation and consistent height control, thanks to the single-lever gas-activated mechanism, and broad compatibility with standard back uprights and lift systems found in many office chairs. If your goal is to restore—or modernize—your seating, this mechanism helps you assess fit and plan a precise replacement strategy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"businessfurnitureshop","offers":[{"title":"Default Title","offer_id":48017113055384,"sku":"S3974","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5174\/7992\/files\/S3974__87341.1747157168_ac5aeb8b-d9ec-4cc1-bd91-ab1efeafbc76.gif?v=1768508141"},{"product_id":"aeron-chair-tilt-mechanism-exchange-product","title":"Aeron Chair Tilt Mechanism Exchange Product","description":"\u003cdiv\u003e\n\u003ch1\u003eAeron Chair Tilt Mechanism Exchange — Replacement Swap Program\u003c\/h1\u003e\n\u003cp\u003eRestore precise tilt control to your Herman Miller Aeron chair with our reconditioned tilt mechanism replacement. Perfect for owners whose chair rocks loosely, leans forward or backward, or won’t hold its tilt, this DIY swap program lets you refresh your chair without sending it back to the manufacturer.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Reconditioned tilt mechanism designed for Herman Miller Aeron chairs in need of a reliable tilt reboot.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDIY Swap Program\u003c\/strong\u003e: Self-removal and self-installation — no professional service required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy Return Process\u003c\/strong\u003e: We provide a prepaid postage label and a processing form to mail your old tilt back to us.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKeep Your Adjustments\u003c\/strong\u003e: You must keep the adjustment cables for your chair; do not mail them.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTooling\u003c\/strong\u003e: A torx bit wrench is all you need to complete the swap.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTimeline\u003c\/strong\u003e: Replacement ships within 7–10 days after we receive your old tilt.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: 2-year limited warranty on the reconditioned tilt mechanism.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWarranty Note\u003c\/strong\u003e: These are reconditioned units from authorized Herman Miller refurbishers; we are not Herman Miller, Inc. For original warranty coverage, check with your local Herman Miller dealer.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePricing \u0026amp; Returns\u003c\/strong\u003e: Volume discounts available; refunds issued minus the cost of shipping.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSwap Process Overview\u003c\/strong\u003e: 6-step program — purchase; we email a prepaid label and form; remove your old tilt; keep all adjustment cables; mail back the tilt with the form; receive your replacement within 7–10 days.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRestores precise tilt action, eliminating wobble and stuck positions for a comfortable, controlled seating experience.\u003c\/li\u003e \u003cli\u003eCost-effective way to extend your Aeron chair’s lifespan without a full chair replacement or dealer service fees.\u003c\/li\u003e \u003cli\u003eTransparent, clearly outlined process with a prepaid return label and defined turnaround time.\u003c\/li\u003e \u003cli\u003eReconditioned and inspected for reliable performance, helping maintain ergonomic posture during long work sessions.\u003c\/li\u003e \u003cli\u003eDesigned for handy users who enjoy a DIY approach, with minimal tools required and straightforward instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant notes\u003c\/strong\u003e: This product is a reconditioned tilt mechanism sourced from authorized refurbishers and is not produced by Herman Miller, Inc. 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