{"title":"Lockers","description":"\u003cp\u003eLockers give both wheels equal power by locking the axle, delivering maximum traction on rocks, mud, and steep terrain. They help your 4x4 crawl through obstacles where open differentials would slip.\u003c\/p\u003e","products":[{"product_id":"arb-air-locker-differential-dana-30-27-spl-3-73-up-rd100","title":"ARB Air Locker Differential Dana 30 27 SPL 3.73 and UP RD100","description":"\u003cp\u003eThe ARB Air Locker RD100 is a pneumatic locking differential for the Dana 30 front axle with 27 splines and a 3.73 or higher gear ratio. Designed for Jeep Wrangler TJ, JK, XJ, and YJ models running steeper gears, the RD100 delivers 100% traction on demand at the flick of a switch — then unlocks to operate as a conventional open differential for normal driving.\u003c\/p\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eCompressed air activates a patented locking mechanism inside the differential, preventing the axle shafts from rotating independently. With both wheels locked to the ring gear, maximum traction is maintained regardless of surface conditions. When unlocked, the differential returns to normal open operation with zero performance penalty.\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100% traction on demand — activates at any speed\u003c\/li\u003e\n\u003cli\u003eFits Dana 30 axle, 27 spline, 3.73 \u0026amp; up gear ratio\u003c\/li\u003e\n\u003cli\u003ePatented timed locking mechanism for smooth, reliable engagement\u003c\/li\u003e\n\u003cli\u003eUltra-durable two-piece locker design\u003c\/li\u003e\n\u003cli\u003eSteel-reinforced annular seal for long-term air pressure integrity\u003c\/li\u003e\n\u003cli\u003eKit includes: differential, activation switch, solenoid valve, air line, and bulkhead fitting\u003c\/li\u003e\n\u003cli\u003eAir compressor required — sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eDana 30 front axle — 27 spline, 3.73 \u0026amp; up ratio — Jeep Wrangler YJ, TJ, JK \/ Jeep Cherokee XJ\u003c\/p\u003e\n","brand":"ARB","offers":[{"title":"Default Title","offer_id":49696930103529,"sku":"arb-air-locker-differential-dana-30-27-spl-3-73-up-rd100","price":1299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2594\/1481\/files\/arb-air-locker-differential-dana-30-27-spl-3.73-and-up-rd100__05983.jpg?v=1775407937"},{"product_id":"arb-air-locker-differential-dana-30-27-spl-3-54-dn-rd101","title":"ARB Air Locker Differential Dana 30 27 SPL 3.54 and DN RD101","description":"\u003cp\u003eThe ARB Air Locker RD101 is a pneumatic locking differential for the Dana 30 front axle with 27 splines and a 3.54 or lower gear ratio. Built for Jeep Wrangler and Cherokee XJ models running stock or mild gear ratios, the RD101 transforms front axle traction on demand — critical for rock crawling, mud, and any terrain where one wheel loses contact with the ground.\u003c\/p\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eA pneumatic locking mechanism inside the differential prevents the axle shafts from rotating independently when activated. Both wheels are locked directly to the ring gear, delivering maximum traction. When deactivated, the differential operates exactly like a standard open unit — no compromise in normal driving.\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100% traction on demand — instant lock at any speed\u003c\/li\u003e\n\u003cli\u003eFits Dana 30 axle, 27 spline, 3.54 \u0026amp; down gear ratio\u003c\/li\u003e\n\u003cli\u003ePatented timed locking mechanism for smooth engagement\u003c\/li\u003e\n\u003cli\u003eUltra-durable two-piece locker design\u003c\/li\u003e\n\u003cli\u003eSteel-reinforced annular seal for reliable air pressure retention\u003c\/li\u003e\n\u003cli\u003eKit includes: differential, activation switch, solenoid valve, air line, and bulkhead fitting\u003c\/li\u003e\n\u003cli\u003eAir compressor required — sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eDana 30 front axle — 27 spline, 3.54 \u0026amp; down ratio — Jeep Wrangler YJ, TJ, JK \/ Jeep Cherokee XJ\u003c\/p\u003e\n","brand":"ARB","offers":[{"title":"Default Title","offer_id":49696957104361,"sku":"arb-air-locker-differential-dana-30-27-spl-3-54-dn-rd101","price":1299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2594\/1481\/files\/arb-air-locker-differential-dana-30-27-spl-3.73-and-up-rd100__05983.jpg?v=1775407937"},{"product_id":"arb-air-locker-differential-nissan-h233b-33-spl-rd135","title":"ARB Air Locker Differential Nissan H233B 33 SPL RD135","description":"\u003cp\u003eThe ARB Air Locker RD135 is a pneumatic locking differential for the Nissan H233B rear axle with 33 splines, found in the Nissan Patrol Y60 and Y61. The H233B is a strong, capable axle — the RD135 takes it to the next level by delivering 100% rear traction on demand, making it one of the most effective upgrades for serious Patrol off-road builds in Lebanon and the wider Middle East region.\u003c\/p\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eCompressed air activates a patented locking mechanism that prevents the rear axle shafts from rotating independently. Both rear wheels are locked to the ring gear simultaneously, delivering maximum traction on rocks, sand, and mud. When deactivated, the differential returns to standard open operation.\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100% rear traction on demand — activates at any speed\u003c\/li\u003e\n\u003cli\u003eFits Nissan H233B rear axle, 33 spline\u003c\/li\u003e\n\u003cli\u003ePatented timed locking mechanism for smooth, reliable engagement\u003c\/li\u003e\n\u003cli\u003eUltra-durable two-piece locker design built for heavy-duty use\u003c\/li\u003e\n\u003cli\u003eSteel-reinforced annular seal for long-term air pressure integrity\u003c\/li\u003e\n\u003cli\u003eKit includes: differential, activation switch, solenoid valve, air line, and bulkhead fitting\u003c\/li\u003e\n\u003cli\u003eAir compressor required — sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eNissan H233B rear axle — 33 spline — Nissan Patrol Y60 \u0026amp; Y61\u003c\/p\u003e\n","brand":"ARB","offers":[{"title":"Default Title","offer_id":49697007567081,"sku":"arb-air-locker-differential-nissan-h233b-33-spl-rd135","price":1299.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2594\/1481\/files\/IMG-0665.jpg?v=1774634675"},{"product_id":"yukon-grizzly-locker-for-gm-10-5-14-bolt-truck-differential-30-spline","title":"Yukon Grizzly Locker for GM 10.5 Inch 14 Bolt Truck Differential 30 spline","description":"\u003cp\u003eThe Yukon Grizzly Locker for the GM 10.5\" 14 Bolt Truck differential is a heavy-duty mechanical locking differential built for street, off-road, and drag racing applications. The GM 14 Bolt is one of the strongest factory axles ever fitted to a production truck — the Grizzly Locker takes it further with a patented design featuring larger radius inner clutch teeth for 350% greater strength than competing lockers.\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e350% greater strength than competing lockers — patented larger radius inner clutch teeth design\u003c\/li\u003e\n\u003cli\u003e8620 steel internals for maximum durability under load\u003c\/li\u003e\n\u003cli\u003eSuitable for street, off-road, and drag racing use\u003c\/li\u003e\n\u003cli\u003eMechanical locking — no air lines or electronics required\u003c\/li\u003e\n\u003cli\u003eFits the GM 10.5\" 14 Bolt Truck differential, 30 spline\u003c\/li\u003e\n\u003cli\u003eDrop-in installation into standard carrier case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eGM 10.5\" 14 Bolt Truck rear differential — 30 spline — Chevrolet and GMC 3\/4 ton and 1 ton trucks\u003c\/p\u003e\n","brand":"Yukon","offers":[{"title":"Default Title","offer_id":49697287438569,"sku":"yukon-grizzly-locker-for-gm-10-5-14-bolt-truck-differential-30-spline","price":399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2594\/1481\/files\/5eb67c6dbc0b1494b4e0442b0896486d.webp?v=1774614213"},{"product_id":"spartan-locker-for-gm-8-5-28-spline-axles","title":"Spartan Locker for GM 8.5 Inch 28 spline axles","description":"\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThe Spartan Locker is a lunchbox locker that delivers reliable, 100% lockup traction at a low cost. It's design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits GM 18.5\" with 28 spline axles\u003c\/li\u003e\n\u003cli\u003eMade from 9310 steel for added strength\u003c\/li\u003e\n\u003cli\u003eReplaces the spiders in a standard carrier case\u003c\/li\u003e\n\u003cli\u003eMechanical locker delivers reliable 100% lockup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatible Differentials\u003c\/h2\u003e\n\u003cul class=\"list-unstyled\"\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003ca class=\"related\" href=\"https:\/\/www.yukongear.com\/car\/pontiac\/LeMans?year=1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981\u0026amp;drive=FWD,RWD,4WD,AWD\" style=\"color: rgb(0, 0, 0);\"\u003eGM 8.5\" Rear 28 Spline\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003ca class=\"related\" href=\"https:\/\/www.yukongear.com\/car\/pontiac\/LeMans?year=1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981\u0026amp;drive=FWD,RWD,4WD,AWD\" style=\"color: rgb(0, 0, 0);\"\u003eGM 8.5\" Front 28 Spline\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yukon","offers":[{"title":"Default Title","offer_id":49697401274601,"sku":"spartan-locker-for-gm-8-5-28-spline-axles","price":249.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2594\/1481\/files\/d24636b28c4fbfcfb89ef1d2c1be906c.webp?v=1774614206"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2594\/1481\/collections\/IMG-0665.webp?v=1775154475","url":"https:\/\/mbk4x4parts.com\/collections\/axle-lockers.oembed","provider":"MBK4x4Parts","version":"1.0","type":"link"}