Motive Gear GM10-342 Differential Ring and Pinion 3.42 Ratio for GM 8.5" 8.6" Fits Chevrolet, GMC, Cadillac, Pontiac, Buick, Isuzu Models | Replaces GM 12471279, 23114028, Yukon YG GM8.5-342

Motive Gear GM10-342 Ring & Pinion Set – Upgrade your GM 8.5" & 8.6" differential with this high-quality 3.42 ratio gear set. Designed for smooth torque transfer, durability, and performance, it’s an ideal replacement for worn-out gears.⚙ Features & Benefits:Premium Build: Manufactured to strict quality standards for long-lasting performance.3.42 Gear Ratio: Provides excellent balance between acceleration and fuel efficiency.Precision Engineering: Ensures smooth operation with reduced noise and wear.Direct Fitment: Compatible with GM 8.5" & 8.6" axles across multiple models.Perfect Replacement: Interchanges with OEM & aftermarket brands (see list below).🔄 Applications & Compatibility:🔹 Chevrolet:Avalanche 1500 (2002-2006), Avalanche 2500 (2002-2006)Blazer (1987-2005), Camaro (1968-1981)Caprice (1968-1996), Chevelle (1973)Colorado (2009-2013), El Camino (1972-1987)Express 1500 (1996-2013), Express 2500 (1996-1998)Impala (1968-1985, 1994-1996)Monte Carlo (1971-1978), Malibu (1973-1983)Silverado 1500 (1999-2013), Silverado 2500 (2001-2002)Suburban 1500 (1995-2013), Tahoe (1995-2013)Trailblazer (2002-2009), Trailblazer EXT (2002-2006)🔹 GMC:Envoy (2002-2009), Envoy XUV (2004-2005)Jimmy (1977-1991, 1994-2005), K1500 (1979-1986, 1988-1999)R1500 (1987), R2500 (1987-1989), R2500 Suburban (1987-1991)Sierra 1500 (1999-2013), Sierra 1500 HD (2001-2003, 2005-2006)Yukon (1992-2013), Yukon XL 1500 (2000-2013)🔹 Cadillac:Escalade (1999-2000, 2002-2013)Escalade ESV (2003-2013), Escalade EXT (2002-2013)Brougham (1987-1992), DeVille (1977-1984)🔹 Buick:Century (1973-1977), Electra (1971-1989)Estate Wagon (1971-1983), LeSabre (1973-1985)Regal (1973-1987), Riviera (1975-1978)Skylark (1970-1972, 1975-1979)🔹 Pontiac:Bonneville (1970-1986), Catalina (1970-1981)Firebird (1970-1981), Grand Prix (1971-1987)GTO (1970-1973), LeMans (1970-1981)🔹 Oldsmobile:98 (1973-1983), Cutlass (1971-1977, 1985-1986)Cutlass Supreme (1971-1977), Delta 88 (1973-1985)🔄 Replaces For:GM: 12471279, 12479128, 12479129, 26006449, 84446301Yukon Gear & Axle: YG GM8.5-342Motive Gear: G885342, GM10-342ARichmond Gear: 49-0278-1, SGM8504Dorman: 697-300🛡 Warranty & Why Choose Motive Gear?🛡 Warranty: 2 Years / 100,000 Miles – Backed for long-term performance.⚙ High-Quality Materials: Designed for strength and reliability.🔧 Perfect Fit: Ensures smooth installation and optimal performance.

• ✅ Premium Quality & Performance – Manufactured for durability, Motive Gear 3.42 ratio ring & pinion set delivers smooth, quiet operation with high-strength construction for extended lifespan.
• ✅ Precision Fit for GM 8.5" & 8.6" Differentials – Direct replacement for Chevrolet Silverado 1500, Tahoe, GMC Sierra 1500, Yukon, Cadillac Escalade, Isuzu Ascender & more (full list below).
• ✅ OEM Replacement & Interchangeable – Replaces GM 12471279, 23114028, Yukon Gear YG GM8.5-342, Richmond Gear 49-0278-1, and more; ensures exact compatibility with factory differential gears.
• ✅ Engineered for High Performance – Ideal for off-road, towing, and daily driving, this differential gear set offers enhanced torque distribution, efficient power transfer, and optimal traction.
• ✅ Reliable & Backed by Warranty – Built to OE standards with precision machining and quality materials; backed by Motive Gear's industry-leading warranty for confidence in performance.