Vendor : Yukon Gear & Axle
Product Type : Final Drive Gears
Sku : YUKZG GM12T-342
Couldn't load pickup availability
USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing.
Installation InstructionsThis Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1969-1974 | Chevrolet | Blazer | Base |
| 1987 | Chevrolet | Blazer | Custom Deluxe |
| 1987 | Chevrolet | Blazer | Silverado |
| 1978-1980 | Chevrolet | C10 | Big Ten |
| 1975-1981 | Chevrolet | C10 | Cheyenne |
| 1981-1986 | Chevrolet | C10 | Custom |
| 1975-1980 | Chevrolet | C10 | Custom Deluxe |
| 1981 | Chevrolet | C10 | Deluxe |
| 1975-1986 | Chevrolet | C10 | Scottsdale |
| 1975-1986 | Chevrolet | C10 | Silverado |
| 1963-1974 | Chevrolet | C10 Pickup | Base |
| 1975-1981 | Chevrolet | G10 | Beauville |
| 1981 | Chevrolet | G10 | Bonaventure |
| 1975-1981 | Chevrolet | G10 | Chevy Van |
| 1975-1981 | Chevrolet | G10 | Sportvan |
| 1967,1969-1974 | Chevrolet | G10 Van | Base |
| 1968-1974 | Chevrolet | G10 Van | Sportvan |
| 1975-1981 | Chevrolet | K10 | Cheyenne |
| 1981-1986 | Chevrolet | K10 | Custom |
| 1975-1980 | Chevrolet | K10 | Custom Deluxe |
| 1981 | Chevrolet | K10 | Deluxe |
| 1975-1986 | Chevrolet | K10 | Scottsdale |
| 1975-1986 | Chevrolet | K10 | Silverado |
| 1963-1974 | Chevrolet | K10 Pickup | Base |
| 1967-1974 | Chevrolet | K10 Suburban | Base |
| 1981-1986 | Chevrolet | K10 Suburban | Custom |
| 1975-1980 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K10 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | K10 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K10 Suburban | Silverado |
| 1976 | Chevrolet | K5 Blazer | Base |
| 1975-1980 | Chevrolet | K5 Blazer | Cheyenne |
| 1981-1986 | Chevrolet | K5 Blazer | Custom |
| 1975,1977-1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1984 | Chevrolet | K5 Blazer | Scottsdale |
| 1978,1980-1986 | Chevrolet | K5 Blazer | Silverado |
| 1987 | Chevrolet | R10 | Custom Deluxe |
| 1987 | Chevrolet | R10 | Scottsdale |
| 1987 | Chevrolet | R10 | Silverado |
| 1963-1966 | Chevrolet | Suburban | Base |
| 1987 | Chevrolet | V10 | Custom Deluxe |
| 1987 | Chevrolet | V10 | Scottsdale |
| 1987 | Chevrolet | V10 | Silverado |
| 1987 | Chevrolet | V10 Suburban | Custom Deluxe |
| 1987-1988 | Chevrolet | V10 Suburban | Scottsdale |
| 1987-1988 | Chevrolet | V10 Suburban | Silverado |
| 1975-1978 | GMC | C15 | Base |
| 1977-1978 | GMC | C15 | Heavy Half |
| 1975-1978 | GMC | C15 | High Sierra |
| 1977 | GMC | C15 | Indy Hauler |
| 1975-1978 | GMC | C15 | Sierra Classic |
| 1975-1978 | GMC | C15 | Sierra Grande |
| 1978 | GMC | C15 | Street Coupe |
| 1975-1978 | GMC | C15 Suburban | Base |
| 1975-1978 | GMC | C15 Suburban | High Sierra |
| 1975-1978 | GMC | C15 Suburban | Sierra Classic |
| 1975-1978 | GMC | C15 Suburban | Sierra Grande |
| 1967-1974 | GMC | C15/C1500 Pickup | Base |
| 1967-1974 | GMC | C15/C1500 Suburban | Base |
| 1979-1986 | GMC | C1500 | Base |
| 1979-1980 | GMC | C1500 | Heavy Half |
| 1979-1986 | GMC | C1500 | High Sierra |
| 1979-1986 | GMC | C1500 | Sierra Classic |
| 1979-1982 | GMC | C1500 | Sierra Grande |
| 1979-1982 | GMC | C1500 | Street Coupe |
| 1979-1986 | GMC | C1500 Suburban | Base |
| 1979-1986 | GMC | C1500 Suburban | High Sierra |
| 1979-1986 | GMC | C1500 Suburban | Sierra Classic |
| 1979-1982 | GMC | C1500 Suburban | Sierra Grande |
| 1975-1978 | GMC | G15 | Rally |
| 1975-1978 | GMC | G15 | Rally STX |
| 1975-1978 | GMC | G15 | Vandura |
| 1967,1970-1971 | GMC | G15/G1500 Van | Base |
| 1968-1969,1971-1974 | GMC | G15/G1500 Van | Rally |
| 1968-1974 | GMC | G15/G1500 Van | Vandura |
| 1964-1966 | GMC | G1500 | Base |
| 1979-1987 | GMC | G1500 | Rally |
| 1983-1984 | GMC | G1500 | Rally Custom |
| 1979-1987 | GMC | G1500 | Rally STX |
| 1979-1987 | GMC | G1500 | Vandura |
| 1975-1978 | GMC | G25 | Rally |
| 1975-1978 | GMC | G25 | Rally STX |
| 1975-1978 | GMC | G25 | Vandura |
| 1967,1970-1972 | GMC | G25/G2500 Van | Base |
| 1968-1969,1971-1974 | GMC | G25/G2500 Van | Rally |
| 1968-1974 | GMC | G25/G2500 Van | Vandura |
| 1979-1981 | GMC | G2500 | Rally |
| 1979-1981 | GMC | G2500 | Rally STX |
| 1979-1981 | GMC | G2500 | Vandura |
| 1975-1978 | GMC | K15 | Base |
| 1975-1978 | GMC | K15 | High Sierra |
| 1977 | GMC | K15 | Indy Hauler |
| 1975-1978 | GMC | K15 | Sierra Classic |
| 1975-1978 | GMC | K15 | Sierra Grande |
| 1975-1978 | GMC | K15 Suburban | Base |
| 1975-1978 | GMC | K15 Suburban | High Sierra |
| 1975-1978 | GMC | K15 Suburban | Sierra Classic |
| 1975-1978 | GMC | K15 Suburban | Sierra Grande |
| 1966-1974 | GMC | K15/K1500 Pickup | Base |
| 1967-1974 | GMC | K15/K1500 Suburban | Base |
| 1979-1986 | GMC | K1500 | Base |
| 1979-1986 | GMC | K1500 | High Sierra |
| 1979-1986 | GMC | K1500 | Sierra Classic |
| 1979-1982 | GMC | K1500 | Sierra Grande |
| 1979-1985 | GMC | K1500 Suburban | Base |
| 1979-1985 | GMC | K1500 Suburban | High Sierra |
| 1979-1985 | GMC | K1500 Suburban | Sierra Classic |
| 1979-1982 | GMC | K1500 Suburban | Sierra Grande |
| 1987 | GMC | R1500 | Base |
| 1987 | GMC | R1500 | High Sierra |
| 1987 | GMC | R1500 | Sierra Classic |
| 1987 | GMC | R1500 Suburban | Base |
| 1987 | GMC | R1500 Suburban | High Sierra |
| 1987 | GMC | R1500 Suburban | Sierra Classic |
| 1963-1966 | GMC | Suburban | Base |
| 1987 | GMC | V1500 | Base |
| 1987 | GMC | V1500 | High Sierra |
| 1987 | GMC | V1500 | Sierra Classic |
| 1987 | GMC | V1500 Suburban | Base |
| 1987 | GMC | V1500 Suburban | High Sierra |
| 1987 | GMC | V1500 Suburban | Sierra Classic |
We will be temporarily closed from Monday 10th August until Friday 21st August 2026 while we relocate to our new premises and carry out our annual stock take. Our website will remain open and you are welcome to place orders during this period. However, new orders placed between 11th and 21st August will not be processed or dispatched until we reopen. Please note: Any orders currently open and already in our system will continue to be processed as normal and will not be affected by the temporary closure. If you have an urgent order or require something that cannot wait until we reopen, please contact us via our website chat or email. We will do our best to assist wherever possible. Normal service will resume on Saturday 22nd August 2026. We apologise for any inconvenience this may cause and greatly appreciate your patience and continued support while we complete our relocation and annual stock take. Thank you for your understanding and continued support.
