{"product_id":"arb-air-locker-differential-dana-30-front-27-spline-3-73-and-up-for-jeep-wrangler-1987-1995-1997-2025","title":"ARB Air Locker Differential, Dana 30 Front, 27 Spline, 3.73 and Up for Jeep Wrangler (1987-2023) \u0026 Ford Bronco (1966-1971)","description":"\u003cdiv class=\"nv-desc\"\u003e\n\u003ch2\u003eARB Air Locker Differential, Dana 30 Front, 27 Spline, 3.73 and Up for Jeep Wrangler (1987-2023) \u0026amp; Ford Bronco (1966-1971)\u003c\/h2\u003e\n\u003cp\u003eAn ARB Air Locker for the front Dana 30 axle with 27 splines and 1.16 in. shafts, for ratios of 3.73 and numerically higher. ARB lists it for the Jeep Wrangler 1987-2023 and the 1966-1971 Ford Bronco.\u003c\/p\u003e\n\u003cdiv class=\"nv-h\"\u003eWhy it works\u003c\/div\u003e\n\u003cdiv class=\"nv-fcards\"\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eOn-demand lock\u003c\/b\u003eAir-actuated, so the differential is open on the street and locked when you choose.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eDefined fitment\u003c\/b\u003eDana 30, 27 spline, 1.16 in. shaft, 3.73 and up.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eFront axle\u003c\/b\u003eSpecified for the front position.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eFive-year coverage\u003c\/b\u003eAir Lockers carry ARB's 5-year warranty.\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nv-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"nv-spec\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eJeep Wrangler 1987-2023; Ford Bronco 1966-1971 (Dana 30 front axle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxle\u003c\/td\u003e\n\u003ctd\u003eDana 30 (7.2 in.), front\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpline count\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft diameter\u003c\/td\u003e\n\u003ctd\u003e1.16 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio\u003c\/td\u003e\n\u003ctd\u003e3.73 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eRD100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"nv-h\"\u003eBefore you order\u003c\/div\u003e\n\u003cp\u003eCheck your axle, spline count and ratio before ordering: this unit is for 3.73 and numerically higher ratios. ARB also lists a version for the M186 front axle and a 3.54 and lower Dana 30 under the same part number, so confirm which axle you have. An Air Locker needs an air supply, such as an ARB compressor. ARB install instructions: \u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/395fd372e0a99ed9888b372672ca8463.PDF\" target=\"_blank\" rel=\"noopener nofollow\"\u003edownload the PDF\u003c\/a\u003e. Not sure it fits your build? Call real humans at \u003ca href=\"tel:+19202497744\"\u003e(920) 249-7744\u003c\/a\u003e with your year, trim and setup and we will confirm it.\u003c\/p\u003e\n\u003cdiv class=\"nv-h\"\u003eFrequently asked questions\u003c\/div\u003e\n\u003cdiv class=\"nv-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhich vehicles does it fit?\u003c\/summary\u003e\u003cp\u003eARB lists it for the Jeep Wrangler 1987-2023 and the Ford Bronco 1966-1971, when fitted with a front Dana 30 with 27 splines and a ratio of 3.73 or higher.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs it front or rear?\u003c\/summary\u003e\u003cp\u003eFront.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat is the warranty?\u003c\/summary\u003e\u003cp\u003eARB covers its own and Old Man Emu products for 3 years with unlimited miles (Air Lockers 5 years); wear items like bushes, shackles, pins and U-bolts are covered for 1 year or 25,000 miles.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nv-xsell\"\u003e\n\u003cdiv class=\"nv-xh\"\u003eMore from ARB\n\u003c\/div\u003e\n\u003cdiv class=\"nv-xrow\"\u003e\n\u003ca class=\"nv-xitem\" href=\"\/collections\/arb\"\u003e\u003cb\u003eAll ARB\u003c\/b\u003eEvery part we carry from the brand\u003c\/a\u003e\n\u003ca class=\"nv-xitem\" href=\"\/collections\/navigation-drivetrain-differentials-lockers\"\u003e\u003cb\u003eMore Lockers\u003c\/b\u003eCompare every brand we carry\u003c\/a\u003e\n\u003ca class=\"nv-xitem\" href=\"\/collections\/jeep-wrangler\"\u003e\u003cb\u003eAll Jeep Wrangler\u003c\/b\u003eBrowse parts that fit\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which vehicles does it fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"ARB lists it for the Jeep Wrangler 1987-2023 and the Ford Bronco 1966-1971, when fitted with a front Dana 30 with 27 splines and a ratio of 3.73 or higher.\"}}, {\"@type\": \"Question\", \"name\": \"Is it front or rear?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Front.\"}}, {\"@type\": \"Question\", \"name\": \"What is the warranty?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"ARB covers its own and Old Man Emu products for 3 years with unlimited miles (Air Lockers 5 years); wear items like bushes, shackles, pins and U-bolts are covered for 1 year or 25,000 miles.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"ARB","offers":[{"title":"Default Title","offer_id":58685137912111,"sku":"RD100","price":1299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/5113\/5535\/files\/74e96d2e50af746f808e69fc371db252_f7f5b046-0328-4ca0-95f1-5a2f3383cc12.jpg?v=1792552073","url":"https:\/\/nvmos.com\/products\/arb-air-locker-differential-dana-30-front-27-spline-3-73-and-up-for-jeep-wrangler-1987-1995-1997-2025","provider":"NVMOS","version":"1.0","type":"link"}