{"product_id":"arb-air-locker-differential-dana-70-80-rear-35-spline-for-ford-f-250-f-350-super-duty-1984-1997-1999-2016-and","title":"ARB Air Locker Differential, Dana 70\/80 Rear, 35 Spline for Ford F-250\/F-350 Super Duty (1993-1997, 1999-2016) \u0026 Ram 2500\/3500 (1994-2002)","description":"\u003cdiv class=\"nv-desc\"\u003e\n\u003ch2\u003eARB Air Locker Differential, Dana 70\/80 Rear, 35 Spline for Ford F-250\/F-350 Super Duty (1993-1997, 1999-2016) \u0026amp; Ram 2500\/3500 (1994-2002)\u003c\/h2\u003e\n\u003cp\u003eThis is an air-actuated locking differential for rear Dana 70 and Dana 80 full-float axles in heavy-duty trucks. It is listed for the Ford F-350 Super Duty and Ram 2500\/3500, and gives you a selectable locker that stays open until you switch it on.\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\u003eHeavy-axle option\u003c\/b\u003eCovers full-float Dana 70 and Dana 80 rear axles in one part number.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eSelectable operation\u003c\/b\u003eRun it open for daily driving and lock it only when you need traction.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eAxle data listed\u003c\/b\u003eAxle size, shaft diameter and ratio are listed so you can match your axle.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eInstall guide available\u003c\/b\u003eManufacturer installation instructions are available.\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\u003eFord F-350 Super Duty 1993-1997, 1999-2016; Ram 2500\/3500 1994-2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxle\u003c\/td\u003e\n\u003ctd\u003eDana 70 full float 10.5 in. or Dana 80 full float 11.5 in., rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpline count\u003c\/td\u003e\n\u003ctd\u003e35 (ARB also lists a 37 spline Dana 80)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft diameter\u003c\/td\u003e\n\u003ctd\u003e1.50 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio\u003c\/td\u003e\n\u003ctd\u003e4.56 and up on the Dana 70; 4.10 and up on the Dana 80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eAir Locker differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"nv-h\"\u003eBefore you order\u003c\/div\u003e\n\u003cp\u003eConfirm your axle is a Dana 70 or Dana 80 and check the spline count (35 or 37) before ordering. ARB lists the Ford F-350 for 1993-1997 and 1999-2016 and the Ram 2500\/3500 for 1994-2002. Air-operated, so a compressor is needed. Manufacturer install instructions are available. ARB install instructions: \u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/e348b840a1a4daca9c0dad756593ed64.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 axles does it fit?\u003c\/summary\u003e\u003cp\u003eRear Dana 70 full-float (10.5 in.) and Dana 80 full-float (11.5 in.) axles with 1.50 in. shafts.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat spline count is it?\u003c\/summary\u003e\u003cp\u003eThis part is 35 spline. ARB also lists a 37 spline Dana 80 application, so verify your axle first.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it need an air supply?\u003c\/summary\u003e\u003cp\u003eYes, Air Lockers are air-operated, so you need a compressor and the control hardware.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat warranty applies?\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\/ford-super-duty\"\u003e\u003cb\u003eAll Ford F-250\/F-350 Super Duty\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 axles does it fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Rear Dana 70 full-float (10.5 in.) and Dana 80 full-float (11.5 in.) axles with 1.50 in. shafts.\"}}, {\"@type\": \"Question\", \"name\": \"What spline count is it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This part is 35 spline. ARB also lists a 37 spline Dana 80 application, so verify your axle first.\"}}, {\"@type\": \"Question\", \"name\": \"Does it need an air supply?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, Air Lockers are air-operated, so you need a compressor and the control hardware.\"}}, {\"@type\": \"Question\", \"name\": \"What warranty applies?\", \"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":58685143777583,"sku":"RD172","price":1499.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/5113\/5535\/files\/3c63735be1282b5d315497b63a7c70af.jpg?v=1792552191","url":"https:\/\/nvmos.com\/products\/arb-air-locker-differential-dana-70-80-rear-35-spline-for-ford-f-250-f-350-super-duty-1984-1997-1999-2016-and","provider":"NVMOS","version":"1.0","type":"link"}