{"product_id":"arb-air-locker-differential-gm-8-5-in-10-bolt-aam-860-rear-30-spline-for-chevy-colorado-2006-2012-2015-and-gmc","title":"ARB Air Locker Differential, GM 8.5 in. 10-Bolt (AAM 860) Rear, 30 Spline for Chevy Colorado (2009-2012) \u0026 GMC Canyon (2009-2012)","description":"\u003cdiv class=\"nv-desc\"\u003e\n\u003ch2\u003eARB Air Locker Differential, GM 8.5 in. 10-Bolt (AAM 860) Rear, 30 Spline for Chevy Colorado (2009-2012) \u0026amp; GMC Canyon (2009-2012)\u003c\/h2\u003e\n\u003cp\u003eThis ARB Air Locker is a 30-spline unit for the GM 8.5 in. 10-bolt rear axle on the Chevy Colorado and GMC Canyon, 2009-2012. It has a 1.31 in. shaft and handles gearing from 2.73 up. Count your axle splines first, because 28 and 30 are both offered.\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\u003eMatched to the axle\u003c\/b\u003eIt is built for the GM 8.5 in. 10-bolt rear axle (AAM 860) with 30 splines, so the spline count and carrier fit are settled before it ships.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eLocks on your command\u003c\/b\u003eAs an Air Locker it is switched by air from the cab, which means the axle runs open until you ask for the lock.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eBacked for five years\u003c\/b\u003eARB gives Air Lockers a 5-year warranty, longer than the 3 years on most of its other products.\n\u003c\/div\u003e\n\u003cdiv class=\"nv-fcard\"\u003e\n\u003cb\u003eInstructions available\u003c\/b\u003eARB publishes install instructions for this part number, which helps if you are planning the install yourself.\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\u003eChevy Colorado and GMC Canyon 2009-2012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxle\u003c\/td\u003e\n\u003ctd\u003eGM 10-bolt, 8.5-8.6 in. (AAM 860)\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\u003e30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft diameter\u003c\/td\u003e\n\u003ctd\u003e1.31 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear ratio\u003c\/td\u003e\n\u003ctd\u003e2.73 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eRD222\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 that your axle is the GM 8.5 in. 10-bolt with 30-spline shafts before ordering; a 28-spline version is sold separately. ARB install instructions: \u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/8de25d59c879f4ca7001114afa43d6ae.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 does this Air Locker fit?\u003c\/summary\u003e\u003cp\u003eIt is for the GM 8.5 in. 10-bolt rear axle (AAM 860) with 30 splines. Check your axle and spline count before ordering, since lockers are not interchangeable between axles.\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\u003cdetails\u003e\u003csummary\u003eAre install instructions available?\u003c\/summary\u003e\u003cp\u003eYes. ARB publishes install instructions for this part number, and we recommend reading them before you start.\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\/chevrolet-colorado\"\u003e\u003cb\u003eAll Chevy Colorado\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 does this Air Locker fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is for the GM 8.5 in. 10-bolt rear axle (AAM 860) with 30 splines. Check your axle and spline count before ordering, since lockers are not interchangeable between axles.\"}}, {\"@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.\"}}, {\"@type\": \"Question\", \"name\": \"Are install instructions available?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. ARB publishes install instructions for this part number, and we recommend reading them before you start.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"ARB","offers":[{"title":"Default Title","offer_id":58685229596975,"sku":"RD222","price":1399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/5113\/5535\/files\/2d58fc4ae70c3012e425a5291fa16af4.jpg?v=1792553224","url":"https:\/\/nvmos.com\/products\/arb-air-locker-differential-gm-8-5-in-10-bolt-aam-860-rear-30-spline-for-chevy-colorado-2006-2012-2015-and-gmc","provider":"NVMOS","version":"1.0","type":"link"}