{"product_id":"arb-air-locker-differential-dana-70-80-rear-37-spline-low-speed-for-ford-f-250-f-350-super-duty-1988-1997-1999","title":"ARB Air Locker Differential, Dana 70\/80 Rear, 37 Spline, Low Speed for Ford F-250\/F-350 Super Duty (1988-1997, 1999-2016)","description":"\u003cdiv class=\"nv-desc\"\u003e\n\u003ch2\u003eARB Air Locker Differential, Dana 70\/80 Rear, 37 Spline, Low Speed for Ford F-250\/F-350 Super Duty (1988-1997, 1999-2016)\u003c\/h2\u003e\n\u003cp\u003eAn ARB Air Locker for the Dana 80 with 37 splines. Gear ratio: 4.10 and up. ARB lists it for the Ford Super Duty F-350 1988-1997, 1999-2016.\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\u003eSelectable lock\u003c\/b\u003eFlick a switch and the differential locks, then unlocks again when you want normal driving.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eAxle-specific\u003c\/b\u003eSized for 37-spline shafts of 1.60 in. on the Dana 80.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eRatio range\u003c\/b\u003eListed for these ratios: 4.10 and up. Check your gearing first.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003e5-year warranty\u003c\/b\u003eARB covers its Air Lockers for 5 years.\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\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eRD174\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eFord Super Duty F-350 1988-1997, 1999-2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxle\u003c\/td\u003e\n\u003ctd\u003eDana 80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpline count\u003c\/td\u003e\n\u003ctd\u003e37\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft diameter\u003c\/td\u003e\n\u003ctd\u003e1.60 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarrier\u003c\/td\u003e\n\u003ctd\u003eLow speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear ratio\u003c\/td\u003e\n\u003ctd\u003e4.10 and up\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 spline count before ordering. Some 3.73 gear sets are thin and need a 4.10-and-up case. Dodge Ram is not in ARB's fitment list for this part. ARB install instructions: \u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/8dd113446fc2a86799135e653276f409.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\u003eWhat axle is it for?\u003c\/summary\u003e\u003cp\u003eDana 80, rear, with 37 splines and a 1.60 in. shaft. Ratio: 4.10 and up.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhich vehicles does it fit?\u003c\/summary\u003e\u003cp\u003eFord Super Duty F-350 1988-1997, 1999-2016.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it need a compressor?\u003c\/summary\u003e\u003cp\u003eYes. An Air Locker is pneumatically operated, so it needs an air supply. The compressor is sold separately.\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\/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\": \"What axle is it for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dana 80, rear, with 37 splines and a 1.60 in. shaft. Ratio: 4.10 and up.\"}}, {\"@type\": \"Question\", \"name\": \"Which vehicles does it fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Ford Super Duty F-350 1988-1997, 1999-2016.\"}}, {\"@type\": \"Question\", \"name\": \"Does it need a compressor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. An Air Locker is pneumatically operated, so it needs an air supply. The compressor is sold separately.\"}}, {\"@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":58685229302063,"sku":"RD174","price":1499.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/5113\/5535\/files\/84edb357b3bcc45320a600ab4d09a786.jpg?v=1792553206","url":"https:\/\/nvmos.com\/products\/arb-air-locker-differential-dana-70-80-rear-37-spline-low-speed-for-ford-f-250-f-350-super-duty-1988-1997-1999","provider":"NVMOS","version":"1.0","type":"link"}