Motive Gear G885-3.42, Differential Ring & Pinion, For GM 8.5"/8.625" Axles, Gear Ratio: 3.42, 10-Bolt, 30 Spline, 12 Pinion & 41 Ring Tooth - Fits Chevy/GMC 1500 Series Trucks, SUVs & Classics

High-Performance Motive Gear G885-3.42 Ring & Pinion Set – 3.42 RatioBuilt for performance and dependability, the Motive Gear G885-3.42 ring and pinion gear set is designed to optimize strength and durability in GM 8.5" / 8.625" 10-bolt axles. Manufactured from high-quality 8620 steel, it ensures quiet operation and long-lasting service life.Key FeaturesGear Ratio: 3.42Ring Gear Diameter: 8.5"Ring Gear Tooth Count: 41Pinion Gear Tooth Count: 12Pinion Shaft Diameter: 1.626"Pinion Spline Count: 30Ring Gear Material: 8620 SteelBolt Count: 10 Ring Gear Bolts / 10 Cover BoltsVehicle CompatibilityFits GM 8.5" and 8.625" 10-Bolt Axles with 2.73 and Numerically Higher Ratio Carrier.Applications IncludeBuick: Apollo, Century, Electra, LeSabre, Regal, Roadmaster, Skylark, RainierCadillac: Brougham, DeVille, Escalade, Fleetwood, SevilleChevrolet: Blazer, Camaro, Caprice, Colorado, El Camino, Express, G10-G20, Impala, K10-K20, Malibu, Monte Carlo, Nova, S10, Silverado 1500, SSR, Suburban 1500, Tahoe, TrailblazerGMC: Canyon, Envoy, G1500-G2500, Jimmy, K1500-K2500, R1500, Savana 1500, Sierra 1500, Sonoma, Sprint, Typhoon, YukonHummer: H3, H3TIsuzu: AscenderOldsmobile: 442, 98, Cutlass, Delta 88, Omega, Vista CruiserPontiac: Bonneville, Catalina, Firebird, Grand Am, Grand Prix, GTO, LeMans, ParisienneSaab: 9-7XReplaces OEM & Aftermarket Part NumbersG2 Axle and Gear: 1-2021-342, 2-2021-342General Motors: 23114031American Axle & Manufacturing: 40019013, 40053029Richmond Gear: 49-0278-1Motive Gear: GM10-342, GM10-342ARevolution Gear & Axle: GM10-342DCEXCEL from Richmond: GM85342Warranty & Quality AssuranceBacked by a 2-Year / 100,000-Mile Warranty, Motive Gear provides OE-grade engineering and

• Precision-engineered 3.42 gear ratio ring and pinion set for GM 8.5"/8.625" axles with 10-bolt cover; features 12-tooth pinion gear and 41-tooth ring gear for optimal torque balance and durability in street and off-road use.
• Built from premium 8620 steel with standard rotation; ring gear measures 8.5" in diameter and installs using 10 ring gear bolts; pinion shaft diameter: 1.626" with a 30-spline count.
• Designed for vehicles equipped with carriers for 2.73 and numerically higher ratios; ensures superior strength and quiet operation under load with precision machining and heat-treated surfaces.
• Includes 1 ring gear and 1 pinion gear; compatible with front or rear axle assemblies depending on vehicle fitment—ideal for performance upgrades and gear replacements.
• Backed by a 2-year / 100,000-mile warranty; Motive Gear offers dependable drivetrain solutions trusted by professionals and enthusiasts alike for quality, performance, and fit.