--- product_id: 107102900 title: "Motive Gear GM10-342A Ring & Pinion 3.42 Ratio 30 Spline 10 Bolt for GM 8.5" price: "€ 497.24" currency: EUR in_stock: true reviews_count: 9 url: https://www.desertcart.hr/products/107102900-motive-gear-gm10-342a-ring-and-pinion-3-42-ratio store_origin: HR region: Croatia --- # OE direct fit for seamless installation 3.42 gear ratio for optimized torque 8620 heat-treated steel for extreme durability Motive Gear GM10-342A Ring & Pinion 3.42 Ratio 30 Spline 10 Bolt for GM 8.5 **Price:** € 497.24 **Availability:** ✅ In Stock ## Summary > ⚙️ Upgrade your GM drivetrain with precision power and rock-solid durability! ## Quick Answers - **What is this?** Motive Gear GM10-342A Ring & Pinion 3.42 Ratio 30 Spline 10 Bolt for GM 8.5 - **How much does it cost?** € 497.24 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/107102900-motive-gear-gm10-342a-ring-and-pinion-3-42-ratio) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Crafted from heat-treated 8620 steel to withstand heavy loads and harsh conditions. - • **Confidence in Every Mile:** Backed by a 1-year/50,000-mile warranty for worry-free performance and peace of mind. - • **Plug & Play Compatibility:** Direct fit for GM 8.5"/8.625" 10-bolt differentials—no guesswork, no hassle. - • **Versatile Vehicle Fitment:** Fits a wide range of GM models from 1970 to 2020, including Chevrolet, GMC, Cadillac, and more. - • **Precision Engineered Power Transfer:** 3.42 ratio maximizes torque for smooth, responsive driving. ## Overview The Motive Gear GM10-342A Differential Ring & Pinion Set features a 3.42 gear ratio engineered for optimized torque transfer and smooth operation. Made from heat-treated 8620 steel, it delivers exceptional durability and wear resistance under heavy loads. Designed as a direct OE replacement for GM 8.5"/8.625" 10-bolt differentials, it fits a broad range of Chevrolet, GMC, Cadillac, Buick, Pontiac, and Oldsmobile models spanning 1970-2020. This set ensures easy installation, reliable performance, and is backed by a 1-year/50,000-mile warranty, making it the trusted choice for professionals and enthusiasts aiming to elevate their vehicle’s drivetrain. ## Description Motive Gear GM10-342A Ring & Pinion Set – Upgrade your GM 8.5"/8.625" differential with this precision-engineered 3.42 ratio ring and pinion set. Built from high-quality 8620 steel, this set ensures excellent performance, durability, and a smooth driving experience.Features & Benefits:Premium Build Quality: Manufactured from 8620 steel for high durability and reliability.Optimized Gear Ratio: 3.42 ratio improves torque distribution, enhancing vehicle performance.Perfect Fitment: Designed for GM 8.5"/8.625" 10-bolt differentials with 30-spline pinion.Wide Compatibility: Fits Chevrolet, GMC, Cadillac, and Buick models (1970-2020) for various applications.Reliable & Efficient: Reduces noise, enhances power transfer, and extends differential lifespan.Applications & Compatibility With:🔹 Buick:Apollo (1973-1975)Centurion (1971-1973)Century (1973-1977)Commercial Chassis (1991-1996)Electra (1971-1990)Estate Wagon (1971-1981)LeSabre (1971-1985)Rainier (2004-2007)Regal (1973-1977, 1984-1987)Riviera (1977-1978)Roadmaster (1991-1996)Skylark (1970-1972, 1975-1979)🔹 Cadillac:Brougham (1987-1992)DeVille (1977-1984)Escalade (1999-2000, 2002-2013)Escalade ESV (2003-2013)Escalade EXT (2002-2013)Fleetwood (1977-1987, 1993-1996)Seville (1976-1979)🔹 Chevrolet:Avalanche (2007-2013)Avalanche 1500 (2002-2006)Bel Air (1970-1975)Biscayne (1970-1972)Blazer (1987-2005)Brookwood (1970-1972)C10 (1977-1986)C10 Suburban (1977-1986)C15 (1982-1986)C1500 (1988-1999)C1500 Suburban (1992-1999)Camaro (1970-1981)Caprice (1970-1996)Chevelle (1973)Colorado (2007-2013)El Camino (1973-1977)Express 1500 (1996-2013)G10 (1978-1995)G20 (1978-1995)Impala (1971-1985, 1994-1996)K10 (1977-1986)K10 Suburban (1977-1986)K1500 (1988-1999)K1500 Suburban (1993-1999)K20 (1977-1986)K20 Suburban (1977-1986)K2500 (1988-1991)K5 Blazer (1975-1986)Malibu (1973-1977)Monte Carlo (1973-1977)Nova (1971-1979)R10 (1987)R10 Suburban (1987-1988)R1500 Suburban (1989-1991)S10 (1994-2004)S10 Blazer (1983-1994, 1991-1994)Silverado 1500 (1999-2020)Silverado 1500 Classic (2007)Silverado 1500 HD (2001-2003, 2005-2006)Silverado 1500 HD Classic (2007)SSR (2003-2006)Suburban 1500 (1995-2013)Tahoe (1995-2013)Trailblazer (2002-2005, 2007-2009)Trailblazer EXT (2002-2006)🔹 GMC:C1500 (1979-1986, 1988-1999)C1500 Suburban (1979-1986, 1992-1999)Canyon (2004-2012)Envoy (2002-2009)Envoy XL (2002-2006)Envoy XUV (2004-2005)G1500 (1979-1995)G2500 (1979-1995)Jimmy (1970-1991, 1980-2005)K15 (1977-1978)K15 Suburban (1977-1978)K1500 (1979-1986, 1988-1999)K1500 Suburban (1979-1986, 1992-1999)K2500 (1979-1986, 1988-1991)K2500 Suburban (1979-1986)R1500 (1987)R1500 Suburban (1987-1991)Savana 1500 (1996-2013)Sierra (2007-2013)Sierra 1500 (1999-2020)Sierra 1500 Classic (2007)Sonoma (1994-2004)Yukon (1992-2013)Yukon XL 1500 (2000-2013)🔹 Other Brands:Hummer H3 (2006-2010)Hummer H3T (2009-2010)Isuzu Ascender (2003-2008)Oldsmobile 442 (1971)Oldsmobile 98 (1970-1984)Oldsmobile Cutlass (1970-1977, 1985-1987)Oldsmobile Cutlass Supreme (1970-1987)Oldsmobile Delta 88 (1971-1985)Pontiac Bonneville (1971-1981, 1987-1989)Pontiac Firebird (1971-1981)Pontiac Grand Prix (1971-1977)Pontiac LeMans (1972-1977)Saab 9-7x (2005-2009)Replaces For:American Axle & Manufacturing: 40053029Richmond Gear: 49-0278-1Motive Gear: G885342, GM10-342EXCEL from Richmond: GM85342🛡 Warranty & Why Choose Motive Gear?🛡 Warranty: 1 Year / 50,000 Miles – Ensuring quality and longevity.⚙ Industry-Leading Performance: Trusted brand for premium differential components.🔧 Precision Engineering: Smooth operation, enhanced efficiency, and long-lasting reliability. Review: Rear and rebuilt - Worked out good Review: Worth it. - About 50 smoke shows and 7,000 miles. Everything good so far. ## Features - ✅ Precision Fit & Performance – Motive Gear 3.42 Ring & Pinion Set fits GM 8.5"/8.625" (10-bolt), ensuring superior strength, smooth operation & optimized torque transfer for daily driving & performance needs. - ✅ Durable 8620 Steel Construction – Manufactured from high-strength 8620 steel, heat-treated for extreme durability, wear resistance & longevity, providing reliable performance under heavy loads & tough conditions. - ✅ OE Direct Fit & Easy Installation – Designed for seamless installation, fits GM 8.5"/8.625" differentials requiring a 2.73+ ratio carrier, replacing OE parts with precision engineering for factory-like performance. - ✅ Compatible with Multiple GM Vehicles – Fits Chevrolet, GMC, Cadillac, Buick, Pontiac & Oldsmobile models (1970-2020), including Silverado, Tahoe, Blazer, Camaro, Yukon, Escalade, Impala & more—check full list! - ✅ 1-Year/50,000-Mile Warranty – Backed by a trusted warranty for worry-free performance. Motive Gear ensures top-tier quality, making it the go-to choice for professional mechanics & performance enthusiasts. 🚗 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000S6BW4E | | Best Sellers Rank | #333,832 in Automotive ( See Top 100 in Automotive ) #27 in Automotive Replacement Differential Rings & Pinions | | Brand | Motive Gear | | Customer Reviews | 4.5 4.5 out of 5 stars (40) | | Date First Available | June 19, 2007 | | Exterior | Machined | | Item Weight | 17.7 pounds | | Item model number | GM10-342A | | Manufacturer | Motive Gear | | Manufacturer Part Number | GM10-342A | | Model | Motive Gear GM10-342A Differential Ring and Pinion | | OEM Part Number | GM10-342A | | Product Dimensions | 15.5 x 11 x 5.25 inches | ## Images ![Motive Gear GM10-342A Ring & Pinion 3.42 Ratio 30 Spline 10 Bolt for GM 8.5 - Image 1](https://m.media-amazon.com/images/I/61gAXz4g-UL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Rear and rebuilt *by W***Y on February 1, 2026* Worked out good ### ⭐⭐⭐⭐⭐ Worth it. *by J***E on December 22, 2025* About 50 smoke shows and 7,000 miles. Everything good so far. ### ⭐⭐⭐⭐⭐ Great fit *by S***O on October 31, 2025* Works as it should, and described correctly. I recommend ## Frequently Bought Together - Motive Gear GM10-342A Differential Ring & Pinion Set, 3.42 Ratio, 30-Spline, 10-Bolt, Fits GM 8.5"/8.625" Compatible for Chevrolet, GMC, Cadillac, Buick Models, Pontiac, Oldsmobile, GMC,Hummer, Isuzu - USA Standard Gear (ZK GM8.6) Master Overhaul Kit for GM 8.6 Differential - Motive Gear GM8.6L Differential Carrier --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/107102900-motive-gear-gm10-342a-ring-and-pinion-3-42-ratio](https://www.desertcart.hr/products/107102900-motive-gear-gm10-342a-ring-and-pinion-3-42-ratio) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-21*