{"product_id":"yukon-gear-pinion-install-kit-for-08-down-gm-8-6in-diff","title":"Yukon Gear Pinion install Kit For 08 \u0026 Down GM 8.6in Diff","description":"\u003ch4\u003eYukon Gear PK GM8.6-A Pinion Install Kit for 1999-2008 GM 8.6in Rear Differential\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003ePK GM8.6-A\u003c\/strong\u003e from Yukon Gear is a comprehensive pinion installation kit purpose-built for the 2008 and earlier GM 8.6in rear differential. This differential is found in an enormous range of 1999 to 2008 Chevrolet and GMC light-duty trucks, SUVs, and crossovers. When rebuilding or refreshing the ring and pinion in your Silverado, Sierra, Tahoe, Yukon, Suburban, Avalanche, Colorado, Canyon, or compatible Cadillac and Buick platform vehicles, \u003cstrong\u003ePK GM8.6-A\u003c\/strong\u003e provides every component needed for a complete, professional pinion installation.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures and Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eComplete pinion install kit for 1999-2008 GM 8.6in rear differential\u003c\/li\u003e\n\u003cli\u003eTimken front and rear pinion bearings and races included\u003c\/li\u003e\n\u003cli\u003eNew pinion seal prevents differential fluid leaks post-installation\u003c\/li\u003e\n\u003cli\u003eCrush sleeve included for proper pinion bearing preload setup\u003c\/li\u003e\n\u003cli\u003eFull pinion shim kit for precise depth adjustment\u003c\/li\u003e\n\u003cli\u003ePinion nut and thread locker included\u003c\/li\u003e\n\u003cli\u003eMarking compound and brush for gear contact pattern verification\u003c\/li\u003e\n\u003cli\u003ePilot bearing included where applicable\u003c\/li\u003e\n\u003cli\u003eAll components in one kit for efficient, professional-quality installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2008\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 1500\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2008\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 1500\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2008\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eTahoe\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2008\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban 1500\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2008\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eAvalanche 1500\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2008\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eYukon\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2008\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eYukon XL 1500\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2006\u003c\/td\u003e\n\u003ctd\u003eCadillac\u003c\/td\u003e\n\u003ctd\u003eEscalade \/ ESV \/ EXT\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2008\u003c\/td\u003e\n\u003ctd\u003eHummer\u003c\/td\u003e\n\u003ctd\u003eH3\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2008\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eColorado\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2008\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eCanyon\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2006\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eRainier\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2006\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e9-7x\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2006\u003c\/td\u003e\n\u003ctd\u003eIsuzu\u003c\/td\u003e\n\u003ctd\u003eAscender\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2006\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSSR\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2005\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eS10\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2005\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSonoma\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1995-2005\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eBlazer\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2009\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eTrailBlazer\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2009\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eEnvoy\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eExpress 1500\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003ePK GM8.6-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e883584130734\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDifferential\u003c\/td\u003e\n\u003ctd\u003eGM 8.6in Rear (1999-2008)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Type\u003c\/td\u003e\n\u003ctd\u003ePinion Install Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Components\u003c\/td\u003e\n\u003ctd\u003eFront and rear pinion bearings, races, pinion seal, crush sleeve, shim kit, pinion nut, thread locker, marking compound with brush, pilot bearing (if applicable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eYukon Gear limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFront pinion bearing and race (Timken)\u003c\/li\u003e\n\u003cli\u003eRear pinion bearing and race (Timken)\u003c\/li\u003e\n\u003cli\u003ePinion seal\u003c\/li\u003e\n\u003cli\u003eCrush sleeve\u003c\/li\u003e\n\u003cli\u003eComplete pinion shim kit\u003c\/li\u003e\n\u003cli\u003ePinion nut\u003c\/li\u003e\n\u003cli\u003eThread locker\u003c\/li\u003e\n\u003cli\u003eMarking compound with brush\u003c\/li\u003e\n\u003cli\u003ePilot bearing (if applicable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat differential does PK GM8.6-A fit?\u003c\/strong\u003e\u003cbr\u003e\nThe \u003cstrong\u003ePK GM8.6-A\u003c\/strong\u003e fits the 1999 through 2008 GM 8.6in rear differential, found in light-duty Chevrolet and GMC 1500-series trucks and SUVs, Cadillac Escalade\/ESV\/EXT, Hummer H3, Buick Rainier, Isuzu Ascender, Saab 9-7x, and Chevrolet SSR.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes PK GM8.6-A include a pinion seal?\u003c\/strong\u003e\u003cbr\u003e\nYes. The \u003cstrong\u003ePK GM8.6-A\u003c\/strong\u003e includes a new pinion seal along with all other components needed for a complete pinion installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs PK GM8.6-A compatible with the 2009+ GM 8.6in?\u003c\/strong\u003e\u003cbr\u003e\nNo. This kit is designed for the 2008 and earlier GM 8.6in differential. The 2009 and newer GM 8.6in uses a different pinion bearing size and requires the appropriate kit for that application.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo I need a crush sleeve with PK GM8.6-A?\u003c\/strong\u003e\u003cbr\u003e\nYes, and it is included. A crush sleeve is required to set proper pinion bearing preload when using the standard installation method. A torque wrench and inch-pound measurement tool are necessary for correct preload setting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat bearing brand is used in PK GM8.6-A?\u003c\/strong\u003e\u003cbr\u003e\nYukon Gear uses Timken bearings in the \u003cstrong\u003ePK GM8.6-A\u003c\/strong\u003e, the same brand trusted by OEM manufacturers for demanding drivetrain applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs marking compound included with PK GM8.6-A?\u003c\/strong\u003e\u003cbr\u003e\nYes. The \u003cstrong\u003ePK GM8.6-A\u003c\/strong\u003e includes marking compound and a brush so you can verify gear contact pattern during installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes Yukon Gear's warranty cover PK GM8.6-A?\u003c\/strong\u003e\u003cbr\u003e\nYes. The \u003cstrong\u003ePK GM8.6-A\u003c\/strong\u003e is covered under Yukon Gear's limited warranty against manufacturing defects. Under the Magnuson-Moss Warranty Act, the use of aftermarket products like \u003cstrong\u003ePK GM8.6-A\u003c\/strong\u003e cannot void your vehicle manufacturer's warranty on unrelated components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan PK GM8.6-A be used when just replacing the seal?\u003c\/strong\u003e\u003cbr\u003e\nYes. If you are only replacing the pinion seal due to a leak, you can use the seal from the \u003cstrong\u003ePK GM8.6-A\u003c\/strong\u003e without replacing the bearings, provided the bearings are in good condition and you do not disturb the pinion depth.\u003c\/p\u003e\n\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eDrain differential fluid and remove the driveshaft.\u003c\/li\u003e\n\u003cli\u003eMark the pinion flange-to-yoke relationship for reference if reusing the yoke.\u003c\/li\u003e\n\u003cli\u003eRemove the pinion nut and use a yoke puller to remove the pinion flange.\u003c\/li\u003e\n\u003cli\u003eDrive out the pinion and remove front bearing, crush sleeve, and shims.\u003c\/li\u003e\n\u003cli\u003ePress off the rear pinion bearing and remove the pinion from the carrier.\u003c\/li\u003e\n\u003cli\u003eClean all components and housing bores thoroughly.\u003c\/li\u003e\n\u003cli\u003ePress the new rear bearing race and front bearing race from \u003cstrong\u003ePK GM8.6-A\u003c\/strong\u003e into position.\u003c\/li\u003e\n\u003cli\u003eInstall shims from the kit to achieve correct pinion depth using the marking compound for contact pattern verification.\u003c\/li\u003e\n\u003cli\u003eInstall the new crush sleeve and front bearing onto the pinion.\u003c\/li\u003e\n\u003cli\u003eDrive the new pinion seal into place and reassemble the pinion flange.\u003c\/li\u003e\n\u003cli\u003eTorque the pinion nut incrementally while checking rotating torque until the specified pinion bearing preload is achieved.\u003c\/li\u003e\n\u003cli\u003eReinstall the driveshaft, fill with differential fluid, and road-test.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eProp 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":40481845510223,"sku":"YUKPK GM8.6-A","price":172.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/yukon-gear-pinion-install-kit-for-08-down-gm-8_6in-diff-ring-and-pinion-install-kits-yukon-gear-axle-2.jpg?v=1701975762","url":"https:\/\/www.blackopsautoworks.com\/products\/yukon-gear-pinion-install-kit-for-08-down-gm-8-6in-diff","provider":"Black Ops Auto Works","version":"1.0","type":"link"}