{"product_id":"arb-airlocker-10-bolt-30spl-toyota-8in-50mm-brng-1979-95-4runner-pickup","title":"ARB Air Locker | Toyota 8\" Rear Differential | 30-Spline (1979-95 4Runner\/Pickup)","description":"\u003ch2\u003eARB Air Locker | Toyota 8\" Rear Differential | 30-Spline, 50mm Bearings | Selectable Locking Differential\u003c\/h2\u003e\n\u003cp\u003eFor \u003cstrong\u003e1984–1995 Toyota 4Runner\u003c\/strong\u003e \u0026amp; \u003cstrong\u003e1979-1995 Toyota Pickup \u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eARB Air Locker\u003c\/strong\u003e is a premium selectable locking differential engineered for Toyota 8-inch live axle applications. Unlike automatic lockers, the locker functions as a standard open differential during everyday driving for predictable handling and minimal drivetrain wear. When additional traction is needed, simply activate the locker using an ARB air compressor and dash-mounted switch to deliver \u003cstrong\u003e100% power to both axle shafts\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDesigned for demanding off-road environments including rocks, mud, snow, sand, and loose terrain, the ARB locker provides maximum traction without compromising on-road drivability. Its forged internal components, nodular iron differential case, and proven pneumatic locking mechanism have made ARB one of the most trusted names in off-road drivetrain technology. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSelectable pneumatic locking differential\u003c\/li\u003e\n\u003cli\u003eFits Toyota 8-inch live axle differentials\u003c\/li\u003e\n\u003cli\u003e30-spline carrier design\u003c\/li\u003e\n\u003cli\u003e10-bolt ring gear configuration\u003c\/li\u003e\n\u003cli\u003eCompatible with all gear ratios\u003c\/li\u003e\n\u003cli\u003eFunctions as an open differential when disengaged\u003c\/li\u003e\n\u003cli\u003eProvides 100% traction on demand\u003c\/li\u003e\n\u003cli\u003eForged alloy steel internal gears\u003c\/li\u003e\n\u003cli\u003eHeavy-duty one-piece nodular iron case\u003c\/li\u003e\n\u003cli\u003eSteel-reinforced bonded annular seal for long service life\u003c\/li\u003e\n\u003cli\u003eMinimal moving parts for exceptional durability\u003c\/li\u003e\n\u003cli\u003eSuitable for front or rear applications depending on vehicle configuration\u003c\/li\u003e\n\u003cli\u003eDesigned for serious off-road use while maintaining excellent on-road manners \u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cp\u003eWhether you're crawling over rocks, navigating deep mud, or driving through snow, the ARB allows you to instantly lock both axle shafts together for maximum available traction. When the obstacle is cleared, simply disengage the locker and enjoy factory-like street handling.\u003c\/p\u003e\n\u003cp\u003eCompared to automatic lockers, the ARB Air Locker offers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved steering characteristics\u003c\/li\u003e\n\u003cli\u003eReduced drivetrain wear\u003c\/li\u003e\n\u003cli\u003eNo clicking or ratcheting noises\u003c\/li\u003e\n\u003cli\u003eBetter tire longevity\u003c\/li\u003e\n\u003cli\u003eDriver-controlled traction exactly when needed \u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eConstruction\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-strength forged internal gears\u003c\/li\u003e\n\u003cli\u003eNodular iron differential case\u003c\/li\u003e\n\u003cli\u003ePrecision-machined locking components\u003c\/li\u003e\n\u003cli\u003eHeavy-duty steel reinforcement\u003c\/li\u003e\n\u003cli\u003ePremium seals designed for harsh environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eARB air compressor required (sold separately).\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended.\u003c\/li\u003e\n\u003cli\u003eVerify spline count, bearing size, and axle configuration before ordering.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003chr\u003e\n\u003ch2\u003e4-Cylinder Differential Compatibility (Important)\u003c\/h2\u003e\n\u003cp\u003eIf your Toyota is equipped with a \u003cstrong\u003e4-cylinder 8-inch differential (original 45mm carrier bearing)\u003c\/strong\u003e, the ARB \u003cstrong\u003edoes not install using your factory carrier bearings.\u003c\/strong\u003e The is designed around the \u003cstrong\u003elarger 50mm carrier journal\u003c\/strong\u003e found on V6 carriers.\u003c\/p\u003e\n\u003cp\u003eTo install an into a 4-cylinder third member, you will need:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e(2) 45mm-to-50mm conversion carrier bearings\u003c\/strong\u003e (also known as 50mm conversion bearings). \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease select the \"4-Cylinder Housing (Includes 2x 50mm Conversion Bearings)\" option\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e when ordering to ensure you receive the correct bearings for your application.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eConversion Bearing Information\u003c\/h3\u003e\n\u003cp\u003eThe required conversion bearings allow the \u003cstrong\u003e50mm carrier\u003c\/strong\u003e to fit inside the \u003cstrong\u003eearlier 4-cylinder Toyota 8-inch differential housing\u003c\/strong\u003e, which was originally designed for a \u003cstrong\u003e45mm carrier bearing\u003c\/strong\u003e. Without these bearings, the cannot be installed in a factory 4-cylinder third member. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eBefore Ordering\u003c\/h3\u003e\n\u003cp\u003ePlease verify the following before purchasing:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYour axle uses a \u003cstrong\u003eToyota 8-inch differential\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eYour differential uses a \u003cstrong\u003e30-spline carrier\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhether your third member is the \u003cstrong\u003e45mm (4-cylinder)\u003c\/strong\u003e or \u003cstrong\u003e50mm (V6)\u003c\/strong\u003e carrier-bearing style\u003c\/li\u003e\n\u003cli\u003eWhether you already have an ARB air compressor or plan to purchase one\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRock crawling\u003c\/li\u003e\n\u003cli\u003eOverlanding\u003c\/li\u003e\n\u003cli\u003eTrail rigs\u003c\/li\u003e\n\u003cli\u003eExpedition vehicles\u003c\/li\u003e\n\u003cli\u003eOff-road recreation\u003c\/li\u003e\n\u003cli\u003eSnow and ice conditions\u003c\/li\u003e\n\u003cli\u003eMud and sand driving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eChoose the Right Kit Configuration\u003c\/h2\u003e\n\u003cp\u003eTo make installation as simple as possible, select the configuration that matches your differential.\u003c\/p\u003e\n\u003ch3\u003eLocker Only\u003c\/h3\u003e\n\u003cp\u003eChoose this option if you already have the required carrier bearings or are purchasing them separately.\u003c\/p\u003e\n\u003cp\u003eIncludes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eARB Air Locker\u003c\/li\u003e\n\u003cli\u003eAir fittings\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eV6 \/ Turbo Kit\u003c\/h3\u003e\n\u003cp\u003eDesigned for Toyota V6 and Turbo 8-inch differentials equipped with \u003cstrong\u003e50mm carrier bearings\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIncludes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eARB Air Locker\u003c\/li\u003e\n\u003cli\u003e(2) Standard 50mm carrier bearings\u003c\/li\u003e\n\u003cli\u003eAir fittings\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e4-Cylinder Kit\u003c\/h3\u003e\n\u003cp\u003eDesigned specifically for Toyota 4-cylinder 8-inch differentials using the original 45mm carrier bearing arrangement.\u003c\/p\u003e\n\u003cp\u003eIncludes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eARB Air Locker\u003c\/li\u003e\n\u003cli\u003e(2) 45mm-to-50mm conversion carrier bearings\u003c\/li\u003e\n\u003cli\u003eAir fittings\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis kit eliminates the need to source the correct bearings separately, making installation significantly easier.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eARB Air Locker\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for Toyota \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e8-inch live-axle differentials\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e10-bolt ring gear, 30-spline axle shafts, and 50mm carrier-bearing journals\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It supports all compatible gear ratios.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eToyota 4Runner\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e1984–1989 Toyota 4Runner\u003c\/span\u003e\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eCompatible with Toyota 8-inch rear differentials\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eNot compatible with the factory solid front axle\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eNot compatible with the factory front IFS differential\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e1990–1995 Toyota 4Runner\u003c\/span\u003e\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with Toyota 8-inch rear differentials\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eNot compatible with the factory front IFS differential\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eToyota Pickup\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e1979–1983 Toyota Pickup 4WD\u003c\/span\u003e\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eCompatible with qualifying Toyota 8-inch rear differentials\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eNot compatible with the factory solid front axle\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e1984–1988 Toyota Pickup 4WD\u003c\/span\u003e\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eCompatible with qualifying Toyota 8-inch rear differentials\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eNot compatible with the factory solid front axle\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eNot compatible with the factory front IFS differential\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e1989–1995 Toyota Pickup\u003c\/span\u003e\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with qualifying Toyota 8-inch rear differentials\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eNot compatible with the factory front IFS differential\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eARB Air Locker differential\u003c\/li\u003e\n\u003cli\u003eAir line fittings\u003c\/li\u003e\n\u003cli\u003eSolenoid hardware\u003c\/li\u003e\n\u003cli\u003eInstallation components\u003c\/li\u003e\n\u003cli\u003eManufacturer installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARB | Old Man EMU","offers":[{"title":"Locker Only (No Bearings Included)","offer_id":53223286669621,"sku":"525","price":1299.95,"currency_code":"USD","in_stock":true},{"title":"4-Cylinder Housing (Includes 2x 50mm Conversion Bearings)","offer_id":53223286735157,"sku":"526","price":1455.95,"currency_code":"USD","in_stock":true},{"title":"V6 \/ Turbo Housing (Includes 2x Standard 50mm Bearings)","offer_id":53223286702389,"sku":"527","price":1477.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/Untitled-3_f1d08ab1-01e1-4495-a49c-36d8b0e4736a.png?v=1785252191","url":"https:\/\/preserverad.com\/products\/arb-airlocker-10-bolt-30spl-toyota-8in-50mm-brng-1979-95-4runner-pickup","provider":"Preserve Rad","version":"1.0","type":"link"}