{"product_id":"sumo-gear-rf1a-transfer-case-rebuild-kit-toyota-4runner-pickup","title":"Sumo Gear RF1A Transfer Case Rebuild Kit (1985-95 4Runner \/ 1979-95 Pickup)","description":"\u003ch2\u003eSumo Gear RF1A Transfer Case Rebuild Kit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1985–1995 Toyota 4Runner \/ 1979–1995 Toyota Pickup 4WD with RF1A gear-driven transfer case\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Sumo Gear RF1A Transfer Case Rebuild Kit provides the core bearings, seals, and gaskets needed to overhaul one Toyota RF1A gear-driven transfer case. Choose the \u003cstrong\u003eMain Rebuild Kit\u003c\/strong\u003e for the standard rebuild package, or add the \u003cstrong\u003eMajor Needle Bearing Kit\u003c\/strong\u003e for a more comprehensive internal bearing service while the transfer case is disassembled.\u003c\/p\u003e\n\u003cp\u003eBoth configurations use Japanese-made drivetrain service components selected for proper fitment, quiet operation, and long-term service in classic Toyota 4WD applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRF1A-specific rebuild package\u003c\/strong\u003e for one gear-driven transfer case\u003c\/li\u003e\n\u003cli\u003eMain kit includes roller bearings, gaskets, and seals\u003c\/li\u003e\n\u003cli\u003eOptional \u003cstrong\u003eMajor Needle Bearing Kit\u003c\/strong\u003e adds internal needle and pocket bearings\u003c\/li\u003e\n\u003cli\u003eUses Japanese-made bearings, seals, and gasket components\u003c\/li\u003e\n\u003cli\u003eDesigned for classic Toyota \u003cstrong\u003e4WD manual-transmission\u003c\/strong\u003e RF1A applications\u003c\/li\u003e\n\u003cli\u003eAvailable as a standard rebuild configuration or a more comprehensive major rebuild configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eRF1A Rebuild Coverage\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMain Rebuild Kit\u003c\/strong\u003e covers the primary roller bearings, seals, and gaskets typically replaced during RF1A service. The \u003cstrong\u003eMain Rebuild Kit + Major Needle Bearing Kit\u003c\/strong\u003e adds the internal needle and pocket bearings, making it the better choice when the transfer case is being fully disassembled and you want to replace the additional internal bearing components at the same time.\u003c\/p\u003e\n\u003cp\u003eThis kit does not change the factory transfer-case ratio. Customers rebuilding an RF1A while also installing deeper low-range gearing can pair it with the \u003ca href=\"\/products\/sumo-gear-4-7-1-transfer-case-gear-set-rf1a-toyota-pickup-4runner\" target=\"_blank\"\u003eSumo Gear 4.7:1 RF1A Transfer Case Gear Set\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 – \u003cstrong\u003e1st Gen\u003c\/strong\u003e – 4WD – 4-Cylinder – RF1A Gear-Driven Transfer Case\u003c\/li\u003e\n\u003cli\u003e1990–1995 Toyota 4Runner – \u003cstrong\u003e2nd Gen\u003c\/strong\u003e – 4WD – 4-Cylinder – RF1A Gear-Driven Transfer Case\u003c\/li\u003e\n\u003cli\u003e1979–1983 Toyota Pickup – \u003cstrong\u003e1st Gen\u003c\/strong\u003e – 4WD – 4-Cylinder – RF1A Gear-Driven Transfer Case\u003c\/li\u003e\n\u003cli\u003e1984–1988 Toyota Pickup – \u003cstrong\u003e2nd Gen\u003c\/strong\u003e – 4WD – 4-Cylinder – RF1A Gear-Driven Transfer Case\u003c\/li\u003e\n\u003cli\u003e1989–1995 Toyota Pickup – \u003cstrong\u003e3rd Gen\u003c\/strong\u003e – 4WD – 4-Cylinder – 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\u003e4WD applications only.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eManual-transmission applications only.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eFactory 3VZ-E V6 trucks use a chain-driven transfer case and are not direct RF1A applications.\u003c\/li\u003e\n\u003cli\u003eModified, swapped, and dual-case vehicles should be matched to the transfer case actually installed.\u003c\/li\u003e\n\u003cli\u003eTransfer-case disassembly and bearing replacement require appropriate drivetrain-service tools and experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you are unsure which transfer case is installed, use the \u003ca href=\"\/blogs\/guides\/toyota-rf1a-transfer-case-identification-guide\" target=\"_blank\"\u003eToyota RF1A Transfer Case Identification Guide\u003c\/a\u003e before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Sumo 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\u003ePosition:\u003c\/strong\u003e Transfer Case \/ Drivetrain\u003cbr\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 4WD\u003cbr\u003e\n\u003cstrong\u003eTransmission:\u003c\/strong\u003e Manual\u003cbr\u003e\n\u003cstrong\u003eService Coverage:\u003c\/strong\u003e One RF1A transfer case\u003cbr\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e Japan\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRelated RF1A Parts \u0026amp; Identification\u003c\/h2\u003e\n\u003cp\u003eFor transfer-case identification, spline and shifter information, see the \u003ca href=\"\/blogs\/guides\/toyota-rf1a-transfer-case-identification-guide\" target=\"_blank\"\u003eRF1A Transfer Case Identification Guide\u003c\/a\u003e. If the rebuild is being combined with a lower-range upgrade, see the \u003ca href=\"\/products\/sumo-gear-4-7-1-transfer-case-gear-set-rf1a-toyota-pickup-4runner\" target=\"_blank\"\u003eSumo Gear 4.7:1 RF1A Transfer Case Gear Set\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Rebuild Kit\u003c\/strong\u003e — roller bearings, gaskets, and seals for the standard RF1A rebuild.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Rebuild Kit + Major Needle Bearing Kit\u003c\/strong\u003e — includes everything in the Main Rebuild Kit plus the internal needle and pocket bearings for a more comprehensive overhaul.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sumo Gear","offers":[{"title":"Main Rebuild Kit","offer_id":67579033289013,"sku":"1172","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Main Rebuild Kit + Major Needle Bearing Kit","offer_id":67579519828277,"sku":"1173","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/sumo-gear-rf1a-transfer-case-rebuild-kit-01.png?v=1792550793","url":"https:\/\/preserverad.com\/products\/sumo-gear-rf1a-transfer-case-rebuild-kit-toyota-4runner-pickup","provider":"Preserve Rad","version":"1.0","type":"link"}