Short Summary: The GM12IK Install Kit by Motive Gear is a high-quality differential mini-kit built for GM 8.875" (12-Bolt) rear axles.
This all-in-one solution includes critical components to install or rebuild your ring & pinion gears properly, ensuring long-lasting performance in classic GM trucks and vans.
Key Features Axle Fitment: GM 8.875" (12-Bolt Rear) Kit Components: Crush Sleeve or Preload Shim Pack, Cover Gasket or RTV, Pinion Nut, Pinion Seal, Ring Gear Bolts, Marking Compound, Shims (Carrier & Pinion), Thread Locking Compound Application: Rear Axle Rebuilds on GM 8.875” Differentials Build Type: Mini Install Kit (Ideal for installation or replacement) Warranty: 1 Year / 50,000 Mile Limited Warranty Vehicle Compatibility Fits GM 8.875" 12-Bolt Rear Differentials in the following Chevrolet and GMC models: Chevrolet 1969–1974 Blazer 1964–1974 C10 Pickup 1965–1967 C10 Panel 1967–1982 C10 Suburban 1975–1982 C10 1969–1974 C20 Pickup 1973–1981 C20 Suburban 1975–1981 C20 1964–1974 G10 Van 1975–1981 G10 1967–1974 G20 Van 1975–1981 G20 1964–1974 K10 Pickup 1975–1981 K10 1967–1982 K10 Suburban 1969–1974 K20 Pickup 1973–1981 K20 Suburban 1975–1981 K20 1975–1981 K5 Blazer 1965–1967 P10 Series 1967–1974 P10 Van 1975–1980 P10 1966–1967 P20 Series 1968–1974 P20 Van 1975–1981 P20 1965–1966 Suburban GMC 1967–1974 C15/C1500 Pickup, Suburban 1975–1978 C15, C15 Suburban 1979–1982 C1500 1979–1981 C1500 Suburban 1969–1974 C25/C2500 Pickup, Suburban 1975–1978 C25, C25 Suburban 1979–1981 C2500, C2500 Suburban 1965–1966 G1000 Series 1967–1974 G15/G1500 Van 1975–1978 G15 1979–1981 G1500 1967–1974 G25/G2500 Van 1975–1978 G25 1979–1981 G2500 1970–1981 Jimmy 1966 K1000 Pickup 1966–1974 K15/K1500 Pickup, Suburban 1975–1978 K15, K15 Suburban 1979–1982 K1500, K1500 Suburban 1967–1974 P15/P1500 Van 1975–1978 P15 1979–1980 P1500 1967–1974 P25/P2500 Van 1975–1978 P25 1979–1981 P2500 1965–1966 PB1000, PB1500, PB2500 Series 1966 PB15 Series Replaces OEM & Aftermarket Part Numbers G2 Axle and Gear: 25-2018 Richmond Gear: 83-1018-B Yukon Gear & Axle: MK GM12T Warranty & Quality Assurance Backed by a 1-Year / 50,000-Mile Warranty, Motive Gear install kits are built for precision, OE-matching fitment, and dependable performance.
Trusted by professional shops and DIY builders, Motive Gear ensures your rebuild gets done right the first time.