{"product_id":"yukon-gear-master-overhaul-kit-for-gm-12-bolt-truck-diff","title":"Yukon Gear Master Overhaul Kit for GM 12-Bolt Truck Differential","description":"\u003ch4\u003eYukon Gear YK GM12T Master Overhaul Kit for GM 12-Bolt Truck Differential\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eYK GM12T\u003c\/strong\u003e is a complete rebuild kit engineered for the General Motors 12-bolt truck rear differential, one of the most capable and sought-after axles ever installed under American trucks and SUVs. Whether you are restoring a classic Chevrolet or GMC work truck or rebuilding a heavily used axle from decades of service, the \u003cstrong\u003eYK GM12T\u003c\/strong\u003e includes every component needed for a professional-grade overhaul. Yukon Gear designed the \u003cstrong\u003eYK GM12T complete rebuild kit\u003c\/strong\u003e around premium Timken bearings and precision shims so the finished assembly delivers the reliability these legendary differentials are known for.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures and Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium Timken carrier bearings and pinion bearings rated for high-torque truck applications\u003c\/li\u003e\n  \u003cli\u003ePrecision ground shim sets for accurate pinion depth and carrier preload adjustment\u003c\/li\u003e\n  \u003cli\u003eOEM-quality pinion seal and axle seals to prevent gear oil leaks\u003c\/li\u003e\n  \u003cli\u003eRing gear bolts, pinion nut, and crush sleeve included for a complete hardware refresh\u003c\/li\u003e\n  \u003cli\u003eGear marking compound and brush included to verify ring-and-pinion contact pattern during setup\u003c\/li\u003e\n  \u003cli\u003eThread-locking compound for ring gear bolt installation\u003c\/li\u003e\n  \u003cli\u003eDifferential cover gasket included for a clean, leak-free reinstall\u003c\/li\u003e\n  \u003cli\u003eCovers the GM 12-bolt truck axle (distinct from the 12-bolt passenger car application)\u003c\/li\u003e\n  \u003cli\u003eAll components packaged and quality-controlled by Yukon Gear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \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\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1965\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1966\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1967\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1965\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1966\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1967\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1967\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK10 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1967\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK20 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1967\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1973\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1974\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1975\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1978\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1980\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1981\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1982\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1983\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1984\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1985\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1986\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1967\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC15 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC15 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC15 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC15 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC15 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC15 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1967\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC25 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC25 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC25 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC25 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC25 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC25 Pickup\u003c\/td\u003e\n\u003ctd\u003eGM 12-bolt truck rear axle\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\n    \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eYK GM12T\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e883584140800\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDifferential\u003c\/td\u003e\n\u003ctd\u003eGM 12-Bolt Truck\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRing Gear Size\u003c\/td\u003e\n\u003ctd\u003e8.875 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBearings Included\u003c\/td\u003e\n\u003ctd\u003eTimken carrier bearings and pinion bearings with races\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeals Included\u003c\/td\u003e\n\u003ctd\u003ePinion seal, axle seals\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShim Set\u003c\/td\u003e\n\u003ctd\u003eComplete pinion depth and carrier shim set\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\u003eTimken carrier bearings with races (2 sets)\u003c\/li\u003e\n  \u003cli\u003eTimken pinion bearings with races (front and rear)\u003c\/li\u003e\n  \u003cli\u003ePinion seal\u003c\/li\u003e\n  \u003cli\u003eAxle seals (pair)\u003c\/li\u003e\n  \u003cli\u003eComplete pinion depth shim set\u003c\/li\u003e\n  \u003cli\u003eComplete carrier shim set\u003c\/li\u003e\n  \u003cli\u003eRing gear bolts\u003c\/li\u003e\n  \u003cli\u003ePinion nut\u003c\/li\u003e\n  \u003cli\u003eCrush sleeve\u003c\/li\u003e\n  \u003cli\u003eThread-locking compound\u003c\/li\u003e\n  \u003cli\u003eGear marking compound with brush\u003c\/li\u003e\n  \u003cli\u003eDifferential cover gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between the YK GM12T and YK GM12P?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003eYK GM12T\u003c\/strong\u003e is for the GM 12-bolt truck rear axle found in Chevrolet and GMC light-duty trucks and SUVs. The YK GM12P is for the GM 12-bolt passenger car axle used in Chevelle, Camaro, Nova, and other A-body and F-body vehicles. Confirm your axle type before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What years of Chevrolet trucks does the YK GM12T fit?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003eYK GM12T complete rebuild kit\u003c\/strong\u003e covers 1965 through approximately 1987 Chevrolet and GMC trucks and SUVs equipped with the GM 12-bolt truck rear differential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include Timken bearings?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The \u003cstrong\u003eYK GM12T\u003c\/strong\u003e includes genuine Timken carrier bearings, pinion bearings, and all bearing races.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will installing this kit void my vehicle warranty?\u003c\/strong\u003e\u003cbr\u003eA: Under the Magnuson-Moss Warranty Act, a manufacturer cannot void your warranty solely because an aftermarket part was used. Coverage can be denied only if the aftermarket part directly caused the failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is a crush sleeve included?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The \u003cstrong\u003eYK GM12T\u003c\/strong\u003e includes a new crush sleeve, pinion nut, and ring gear bolts for a full hardware refresh.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools for installation?\u003c\/strong\u003e\u003cbr\u003eA: Yes. A bearing press, dial indicator, inch-pound torque wrench, and depth micrometer are needed to set pinion depth and preload correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is gear marking compound included?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The \u003cstrong\u003eYK GM12T\u003c\/strong\u003e includes gear marking compound with a brush for verifying ring-and-pinion contact pattern.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is a differential cover gasket included?\u003c\/strong\u003e\u003cbr\u003eA: Yes. A differential cover gasket is included in the \u003cstrong\u003eYK GM12T complete rebuild kit\u003c\/strong\u003e for a clean reinstall.\u003c\/p\u003e\n\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n  \u003cli\u003eDrain the differential gear oil and remove the rear axle shafts per your service manual.\u003c\/li\u003e\n  \u003cli\u003eRemove the differential cover and thoroughly clean both mating surfaces.\u003c\/li\u003e\n  \u003cli\u003eRemove the carrier assembly and inspect the housing bore for wear or damage.\u003c\/li\u003e\n  \u003cli\u003eExtract the pinion shaft and note the original shim stack thickness for reference.\u003c\/li\u003e\n  \u003cli\u003ePress off the old pinion bearings and install the new Timken pinion bearings from the \u003cstrong\u003eYK GM12T\u003c\/strong\u003e kit.\u003c\/li\u003e\n  \u003cli\u003eUse the included shim set to establish correct pinion depth; verify with a dial indicator.\u003c\/li\u003e\n  \u003cli\u003ePress new carrier bearings and races onto the carrier assembly.\u003c\/li\u003e\n  \u003cli\u003eInstall the carrier, set backlash to GM specification, and verify contact pattern using the included marking compound.\u003c\/li\u003e\n  \u003cli\u003eApply included thread-locking compound to ring gear bolts and torque to specification.\u003c\/li\u003e\n  \u003cli\u003eInstall the new pinion seal and torque the pinion nut to achieve correct pinion bearing preload.\u003c\/li\u003e\n  \u003cli\u003eInstall new axle seals, reinstall axle shafts, and torque all fasteners to specification.\u003c\/li\u003e\n  \u003cli\u003eInstall the cover with the new gasket and fill with the appropriate gear oil type and quantity.\u003c\/li\u003e\n  \u003cli\u003eRoad test the vehicle and inspect for leaks after the initial break-in period.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer, birth defects, and other reproductive harm. For more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\"\u003ewww.p65warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":40481885585487,"sku":"YUKYK GM12T","price":318.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/yukon-gear-master-overhaul-kit-for-gm-12-bolt-truck-diff-differential-overhaul-kits-yukon-gear-axle.jpg?v=1699977851","url":"https:\/\/www.blackopsautoworks.com\/products\/yukon-gear-master-overhaul-kit-for-gm-12-bolt-truck-diff","provider":"Black Ops Auto Works","version":"1.0","type":"link"}