Short Summary: Motive Gear Bearing Rebuild Kits are engineered to deliver reliability and performance for your vehicle's differential system.
As a division of Midwest Truck and Auto Parts, Motive Gear is committed to the highest quality drivetrain components on the market today.
Our bearing rebuild kits include all essential components—bearings, seals, shims, and hardware—hassle-free and ensuring a comprehensive rebuild.
Key Features Differential Model: GM 8.5" (10 Bolt) Application Position: Front (1977–1991) & Rear (1970–1998) Bearing Type: Timken Tapered Bearings Kit Type: Master Bearing Kit – Includes bearings, races, seals, shims & hardware Taxonomy: LD Differential → Differential Rebuild Kits → Master Bearing Kits Vehicle Compatibility Fits GM 8.5" front and rear axle configurations across a wide range of Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models from the early 1970s through the mid-1990s.
Buick 1973–1975 Apollo 1971–1987 Centurion, Electra, Estate Wagon 1973–1979 Century, Regal 1971–1972 GS / GS 455 1971–1986 LeSabre; 1988–1990 LeSabre (8.5") 1991–1996 Roadmaster 1971–1979 Skylark 1971–1975 Riviera; 1977–1978 Riviera Cadillac 1977–1979 DeVille 1977–1979 Fleetwood Chevrolet 1987–1994 Blazer & K5 Blazer 1976–1986 C10/C20; 1988–1996 C1500/C2500 1976–1986 K10/K20; 1988–1996 K1500/K2500 1976–1995 G10/G20 vans 1970–1988 Monte Carlo 1973–1983 Malibu 1971–1987 El Camino 1970–1979 Nova 1995–1996 Tahoe 1977–1991 R/V Series Suburban GMC 1976–1978 C15/K15 1979–1996 C1500/C2500 1976–1991 Jimmy 1987–1991 R1500/R2500 & V1500/V2500 1979–1987 G1500/G2500 1992–1996 GMC Yukon Oldsmobile 1970–1987 Cutlass, Salon, Supreme 1970–1991 Delta 88 1970–1974, 1970–1984 Oldsmobile 98 1971–1992 Custom Cruiser 1973–1979 Omega 1975–1978, 1980 Starfire Pontiac 1971–1986 Bonneville, Catalina 1973–1981 Firebird 1973–1986 Grand Prix 1973–1981 LeMans 1973–1975, 1978–1980 Grand Am 1977–1979 Phoenix; 1971–1977 Ventura Replaces OEM & Aftermarket Part Numbers Revolution Gear: 35-2021, 35-2021F Richmond Gear: 83-1020-1, 83-1021-1 DT Components: DRK-321MK, DRK-321RMK Timken: R10.85MK, R1085MK, RA321MK Genuine Newstar: GM-R10FRXB, S-8536 EXCEL: XL-1020-1, XL-1021-1 Yukon Gear & Axle: YK GM8.5, YK GM8.5-F Motive Gear: R10RMK Warranty & Quality Assurance Backed by a 1-Year / 50,000-Mile Warranty.
Motive Gear master kits deliver OE-grade fitment, quiet operation, and long-lasting reliability for differential rebuilds.
