{"product_id":"yukon-gear-4-cylinder-master-differential-overhaul-kit-1979-95-4runner-pickup","title":"Yukon Gear 4-Cylinder Master Differential Overhaul Kit (1979-95 4Runner\/Pickup)","description":"\u003ch2\u003eYukon Gear 4-Cylinder Master Differential Overhaul Kit\u003c\/h2\u003e\n\u003cp\u003eFor \u003cstrong\u003e1984–1995 Toyota 4Runner\u003c\/strong\u003e \u0026amp; \u003cstrong\u003e1979-1995 Toyota Pickup Equipped with a 20R, 22R, \u0026amp; 22RE Engine and Toyota 8-Inch Differential\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eOverview\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eRestore the reliability and performance of your Toyota 8-inch rear differential with the Yukon Gear Master Differential Overhaul Kit. Designed specifically for 1979–1995 Toyota Pickup and 1984–1995 Toyota 4Runner models equipped with 20R, 22R, or 22RE engines, this complete rebuild kit includes the premium components required for a professional-quality differential overhaul.\u003c\/p\u003e\n\u003cp\u003eWhether you're rebuilding a worn factory third member, replacing aging bearings and seals, or installing a new Yukon ring and pinion gear set, this master kit provides everything needed for an accurate and dependable installation.\u003c\/p\u003e\n\u003cp\u003eBuilt around premium \u003cstrong\u003eTimken® bearings and races\u003c\/strong\u003e, Yukon Master Overhaul Kits are trusted by restoration enthusiasts, professional installers, and off-road builders for their precision fitment, durability, and long service life.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete master differential overhaul kit for Toyota 8-inch rear differentials\u003c\/li\u003e\n\u003cli\u003ePremium Timken® carrier and pinion bearings\u003c\/li\u003e\n\u003cli\u003eIncludes carrier races, pinion races, seals, shims, hardware, and installation components\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for Toyota 8-inch differential applications\u003c\/li\u003e\n\u003cli\u003eIdeal for ring and pinion gear installations\u003c\/li\u003e\n\u003cli\u003eExcellent solution for rebuilding worn factory differentials\u003c\/li\u003e\n\u003cli\u003eApplication-specific components for precise fitment\u003c\/li\u003e\n\u003cli\u003eManufactured by Yukon Gear \u0026amp; Axle\u003c\/li\u003e\n\u003cli\u003eSuitable for street, restoration, towing, and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cp\u003eEach Yukon Master Differential Overhaul Kit includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarrier bearings\u003c\/li\u003e\n\u003cli\u003eCarrier bearing races\u003c\/li\u003e\n\u003cli\u003eInner pinion bearing\u003c\/li\u003e\n\u003cli\u003eOuter pinion bearing\u003c\/li\u003e\n\u003cli\u003ePinion bearing races\u003c\/li\u003e\n\u003cli\u003ePinion seal\u003c\/li\u003e\n\u003cli\u003eComplete shim kit\u003c\/li\u003e\n\u003cli\u003eRing gear bolts\u003c\/li\u003e\n\u003cli\u003ePinion nut\u003c\/li\u003e\n\u003cli\u003eOEM-style crush sleeve \u003c\/li\u003e\n\u003cli\u003eOil slingers and baffles \u003c\/li\u003e\n\u003cli\u003eDifferential gasket\u003c\/li\u003e\n\u003cli\u003eThread-locking compound\u003c\/li\u003e\n\u003cli\u003eGear marking compound with application brush\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003ePurchase Options\u003c\/h2\u003e\n\u003cp\u003eChoose the overhaul kit that matches your Toyota 8-inch rear differential.\u003c\/p\u003e\n\u003ch3\u003e1979–1985 4-Cylinder Rear Differential Kit\u003c\/h3\u003e\n\u003cp\u003eDesigned for early Toyota 8-inch solid rear axle housings used in 4-cylinder Pickup and early 4Runner applications.\u003c\/p\u003e\n\u003ch3\u003e1986–1995 4-Cylinder Rear Differential Kit\u003c\/h3\u003e\n\u003cp\u003eDesigned for later Toyota 8-inch rear axle assemblies used in 4-cylinder Pickup and 4Runner models.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eChoose the Correct Spline Configuration\u003c\/h2\u003e\n\u003ch3\u003e27-Spline (Factory Configuration)\u003c\/h3\u003e\n\u003cp\u003eSelect this option if your differential uses the original factory-style \u003cstrong\u003e27-spline carrier\u003c\/strong\u003e and standard ring and pinion setup. No carrier bearing conversion is required.\u003c\/p\u003e\n\u003ch3\u003e29-Spline (Yukon Performance Upgrade)\u003c\/h3\u003e\n\u003cp\u003eSelect this option if you are installing a \u003cstrong\u003eYukon 29-spline ring and pinion gear set\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis package includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYukon Master Differential Overhaul Kit\u003c\/li\u003e\n\u003cli\u003e(2) Required \u003cstrong\u003e45mm-to-50mm carrier bearing conversion bearings\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEverything needed for the installation is included, eliminating the need to source additional components separately.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOptional Solid Pinion Spacer Upgrade\u003c\/h2\u003e\n\u003cp\u003eUpgrade your rebuild with a \u003cstrong\u003eSolid Pinion Spacer (Crush Sleeve Eliminator)\u003c\/strong\u003e for increased reliability under demanding driving conditions.\u003c\/p\u003e\n\u003cp\u003eUnlike a factory crush sleeve that permanently compresses during installation, a solid spacer uses precision shims to establish a fixed pinion bearing preload that remains consistent over time.\u003c\/p\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintains consistent pinion bearing preload\u003c\/li\u003e\n\u003cli\u003eEliminates additional crush under heavy loads\u003c\/li\u003e\n\u003cli\u003eReduces pinion shaft movement\u003c\/li\u003e\n\u003cli\u003eHelps prevent gear noise\u003c\/li\u003e\n\u003cli\u003eMinimizes premature bearing wear\u003c\/li\u003e\n\u003cli\u003ePrecision shim adjustment for accurate setup\u003c\/li\u003e\n\u003cli\u003eRecommended for oversized tires, rock crawling, overlanding, towing, and high-torque applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for vehicles running \u003cstrong\u003e35-inch or larger tires\u003c\/strong\u003e or those subjected to severe off-road use.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eThis overhaul kit fits \u003cstrong\u003eToyota 8-inch rear differentials\u003c\/strong\u003e found in the following factory 4-cylinder applications.\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eToyota Pickup\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e1979–1983 1st Gen Toyota Pickup\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e20R \u0026amp; 22R models\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eToyota 8-inch rear differential\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e1984–1988 2nd Gen Toyota Pickup\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e22R \u0026amp; 22RE models\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eToyota 8-inch rear differential\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e1989–1995 3rd Gen Toyota Pickup\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e22RE models\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eToyota 8-inch rear differential\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eToyota 4Runner\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e1984–1989 1st Gen Toyota 4Runner\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e22R \u0026amp; 22RE models\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eToyota 8-inch rear differential\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e1990–1995 2nd Gen Toyota 4Runner\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e22RE models\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eToyota 8-inch rear differential\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Fitment Information\u003c\/h2\u003e\n\u003cp\u003eToyota axle assemblies are sometimes swapped between vehicles during repairs and off-road builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlways purchase your overhaul kit based on the year and design of the differential housing—not the vehicle model year.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose Yukon Gear \u0026amp; Axle?\u003c\/h2\u003e\n\u003cp\u003eYukon Gear \u0026amp; Axle designs every Master Differential Overhaul Kit specifically for its intended differential application rather than using universal components. Combined with premium Timken® bearings, precision-machined installation parts, and complete hardware, these kits provide the quality and reliability required for factory restorations, daily-driven trucks, and serious off-road builds.\u003c\/p\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"1979-1985 \/ 27-Spline (Standard Factory Setup) \/ Standard Crush Sleeve","offer_id":53233077780789,"sku":null,"price":320.89,"currency_code":"USD","in_stock":true},{"title":"1979-1985 \/ 27-Spline (Standard Factory Setup) \/ Solid Pinion Spacer Upgrade","offer_id":53233077813557,"sku":null,"price":397.78,"currency_code":"USD","in_stock":true},{"title":"1979-1985 \/ 29-Spline (Aftermarket Locker \/ ARB Setup) \/ Standard Crush Sleeve","offer_id":53233097015605,"sku":null,"price":689.89,"currency_code":"USD","in_stock":true},{"title":"1979-1985 \/ 29-Spline (Aftermarket Locker \/ ARB Setup) \/ Solid Pinion Spacer Upgrade","offer_id":53233097048373,"sku":null,"price":689.89,"currency_code":"USD","in_stock":true},{"title":"1986-1995 \/ 27-Spline (Standard Factory Setup) \/ Standard Crush Sleeve","offer_id":53233077846325,"sku":null,"price":320.89,"currency_code":"USD","in_stock":true},{"title":"1986-1995 \/ 27-Spline (Standard Factory Setup) \/ Solid Pinion Spacer Upgrade","offer_id":53233077879093,"sku":null,"price":397.78,"currency_code":"USD","in_stock":true},{"title":"1986-1995 \/ 29-Spline (Aftermarket Locker \/ ARB Setup) \/ Standard Crush Sleeve","offer_id":53233097081141,"sku":null,"price":689.89,"currency_code":"USD","in_stock":true},{"title":"1986-1995 \/ 29-Spline (Aftermarket Locker \/ ARB Setup) \/ Solid Pinion Spacer Upgrade","offer_id":53233097113909,"sku":null,"price":689.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/ChatGPTImageJul30_2026_02_13_33PM_d94369dc-d58b-4461-812f-4374fd6251d9.png?v=1785437401","url":"https:\/\/preserverad.com\/products\/yukon-gear-4-cylinder-master-differential-overhaul-kit-1979-95-4runner-pickup","provider":"Preserve Rad","version":"1.0","type":"link"}