{"product_id":"trail-gear-toyota-transfer-case-rebuild-kit-rf1a","title":"Trail-Gear RF1A Transfer Case Rebuild Kit (1985-95 4Runner \/ 1979-95 Pickup)","description":"\u003ch2\u003eTrail-Gear RF1A Transfer Case Rebuild Kit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1985–1995 Toyota 4Runner \/ 1979–1995 Toyota Pickup 4WD with the RF1A gear-driven transfer case.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Trail-Gear RF1A Transfer Case Rebuild Kit provides the \u003cstrong\u003egaskets, seals, and bearings\u003c\/strong\u003e needed to service Toyota gear-driven transfer cases. Choose the \u003cstrong\u003eMinor\u003c\/strong\u003e or \u003cstrong\u003eMajor\u003c\/strong\u003e configuration based on the depth of the rebuild and the condition of the internal bearings.\u003c\/p\u003e\n\u003cp\u003eBoth configurations use \u003cstrong\u003eToyota OEM gaskets\u003c\/strong\u003e. The supplied bearings use SKF, NSK, NACHI, or KOYO components, while the idler-gear front roller bearing included with the Major kit is supplied as NACHI or Trail-Gear.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDesigned for the Toyota RF1A gear-driven transfer case\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eToyota OEM transfer-case gaskets\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSKF, NSK, NACHI, and KOYO bearings throughout the primary rebuild components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinor and Major rebuild configurations\u003c\/strong\u003e for different service depths\u003c\/li\u003e\n\u003cli\u003eMajor configuration adds the deeper internal bearings required for a more comprehensive rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eMinor vs. Major Rebuild Kit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMinor Rebuild Kit\u003c\/strong\u003e — Includes the major gaskets, seals, and most bearings used during a standard RF1A transfer-case rebuild.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMajor Rebuild Kit\u003c\/strong\u003e — Includes everything in the Minor kit plus the \u003cstrong\u003eidler-gear front roller bearing\u003c\/strong\u003e and \u003cstrong\u003etwo countershaft needle bearings\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIf you are comparing rebuild options for the same RF1A application, Preserve Rad also carries the \u003ca href=\"https:\/\/preserverad.com\/products\/sumo-gear-rf1a-transfer-case-rebuild-kit-toyota-4runner-pickup\" target=\"_blank\"\u003e\u003cstrong\u003eSumo Gear RF1A Transfer Case Rebuild Kit\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1985–1989 Toyota 4Runner – 1st Gen – 4-Cylinder – Manual – 4WD – RF1A Gear-Driven Transfer Case\u003c\/li\u003e\n\u003cli\u003e1990–1995 Toyota 4Runner – 2nd Gen – 4-Cylinder – Manual – 4WD – RF1A Gear-Driven Transfer Case\u003c\/li\u003e\n\u003cli\u003e1979–1983 Toyota Pickup – 1st Gen – 4-Cylinder – Manual – 4WD – RF1A Gear-Driven Transfer Case\u003c\/li\u003e\n\u003cli\u003e1984–1988 Toyota Pickup – 2nd Gen – 4-Cylinder – Manual – 4WD – RF1A Gear-Driven Transfer Case\u003c\/li\u003e\n\u003cli\u003e1989–1995 Toyota Pickup – 3rd Gen – 4-Cylinder – Manual – 4WD – RF1A Gear-Driven Transfer Case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eRF1A gear-driven transfer cases only.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFactory\/direct-fit applications are 4-cylinder, manual-transmission 4WD models.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDoes not service the factory chain-driven V6 transfer case.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eV6-swapped or converted vehicles using an RF1A should be verified by transfer-case type before ordering.\u003c\/li\u003e\n\u003cli\u003eTransfer-case rebuilding requires proper disassembly, inspection, bearing installation, sealing, and torque procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Trail-Gear\u003cbr\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Transfer Case Rebuild Kit\u003cbr\u003e\n\u003cstrong\u003eTransfer Case:\u003c\/strong\u003e Toyota RF1A Gear-Driven\u003cbr\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 4WD\u003cbr\u003e\n\u003cstrong\u003eFactory Transmission Application:\u003c\/strong\u003e Manual\u003cbr\u003e\n\u003cstrong\u003eConfigurations:\u003c\/strong\u003e Minor \/ Major\u003cbr\u003e\n\u003cstrong\u003eGaskets:\u003c\/strong\u003e Toyota OEM\u003cbr\u003e\n\u003cstrong\u003ePrimary Bearing Brands:\u003c\/strong\u003e SKF \/ NSK \/ NACHI \/ KOYO\u003cbr\u003e\n\u003cstrong\u003eMajor-Kit Idler Front Roller Bearing:\u003c\/strong\u003e NACHI or Trail-Gear\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMinor Rebuild Kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eToyota OEM transfer-case gaskets\u003c\/li\u003e\n\u003cli\u003eTransfer-case seals\u003c\/li\u003e\n\u003cli\u003eMost bearings required for a standard RF1A rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMajor Rebuild Kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEverything included with the Minor Rebuild Kit\u003c\/li\u003e\n\u003cli\u003eIdler-gear front roller bearing\u003c\/li\u003e\n\u003cli\u003eTwo countershaft needle bearings\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Trail-Gear","offers":[{"title":"Minor Rebuild Kit","offer_id":53582556922165,"sku":"1029","price":349.99,"currency_code":"USD","in_stock":true},{"title":"Major Rebuild Kit","offer_id":53582556954933,"sku":"1030","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/ChatGPTImageSep28_2026_03_39_17PM.png?v=1790624386","url":"https:\/\/preserverad.com\/products\/trail-gear-toyota-transfer-case-rebuild-kit-rf1a","provider":"Preserve Rad","version":"1.0","type":"link"}