Richmond Gear 69-0169-1, Differential Ring & Pinion, For GM 8.5"/8.625", Ratio 4.88, 10-Bolt, 30 Spline Pinion & 39 Ring Tooth -Fits GM, Chevy, GMC, Cadillac, Hummer, Isuzu, Olds, Pontiac, Yukon 24162

Short Summary: The PowerTrax Grip PRO GT109030 is a high-performance limited slip differential for GM 8.5"/8.6" 10-bolt axles with 30-spline axles. Featuring helical gear technology and no clutch packs, it provides smooth, automatic torque biasing for superior street, towing, and trail traction.Key FeaturesAxle Fitment: GM 8.5" / 8.6" (10 Bolt)Spline Count: 30Axle Shaft Diameter: 1.32 InchesRing Gear Bolt Quantity: 10Differential Type: Limited Slip (Helical Gear, No Clutches)Compatibility: For use with open differentials onlyProp 65 Warning: Cancer and Reproductive Harm - www.p65warnings.ca.govVehicle CompatibilityFits GM 8.5"/8.6" 10-Bolt Differentials with 30-spline axles across various Chevrolet, GMC, Cadillac, Buick, and other GM vehicles from the mid-1990s to 2020.Chevrolet1999–2020 Silverado 15002000–2020 Suburban 1500, Tahoe1996–2003 S10 (select models)1999–2006 Trailblazer1999–2013 Express 1500GMC1999–2020 Sierra 15002000–2020 Yukon, Yukon XL 15001999–2013 Savana 15001999–2009 Envoy (select trims)Cadillac2002–2013 Escalade (including EXT & ESV)Buick2004–2007 RainierOthers2003–2008 Isuzu Ascender2005–2009 Saab 9-7xReplaces OEM & Aftermarket Part NumbersPowerTrax: GT109030Eaton Truetrac: 912A585Yukon Gear & Axle: YDGM8.5-3-30Auburn Gear: 542036Warranty & Quality AssuranceBacked by a 2-Year / 100,000-Mile Warranty, PowerTrax Grip PRO units deliver advanced traction without wear-prone clutch packs. Trusted by enthusiasts and professionals for quiet operation, longevity, and enhanced control in all driving conditions.

• Precision-engineered Richmond Gear ring and pinion set for GM 8.5"/8.625" 10-bolt axles, with 4.88 gear ratio—ideal for high-torque, performance, or off-road applications.
• Compatible with front or rear differential setups and requires a 2.73 or numerically higher carrier; ensures reliable fit and performance for GM applications.
• 39-tooth ring gear and 8-tooth pinion gear deliver optimal torque multiplication and power distribution; hypoid design reduces gear noise and wear.
• Designed to fit a broad range of GM vehicles including Chevrolet Silverado, GMC Sierra, Cadillac Escalade, Buick Regal, Hummer H3, and more from 1970–2020.
• Replaces Motive Gear G885488, Yukon Gear 24162; backed by a 2-Year or 100,000-Mile Richmond Gear warranty for quality and peace of mind.