SKU: YK GM12T | UPC: 883584140689
Yukon Gear Master Overhaul Kit for GM 12-Bolt Truck Differential 1963-1987 Chevy GMC
Rebuild your GM 12-bolt truck differential with the Yukon Gear Master Overhaul Kit YK GM12T, the most complete kit available for Chevrolet and GMC trucks, vans, Suburbans, and Blazers from 1963 to 1987. This kit provides every high-quality component needed to complete the job right, featuring Timken bearings and races for long-lasting performance. Tailored specifically for your application with Supershims for precise setup.
Key Features
- Timken Bearings & Races: Premium bearings for carrier and pinion ensure smooth operation and durability
- Complete Shim Kit with Supershims: Allows exact gear backlash and preload adjustments
- High-Quality Seals: Pinion seal prevents leaks and maintains oil integrity
- Essential Hardware: Ring gear bolts, pinion nut, crush sleeve where applicable, oil baffles, and slingers
- Setup Tools Included: Thread locking compound, marking compound with brush, gasket
- Tailor-Made Design: Researched for GM 12-bolt truck applications for perfect fit
Specifications
| Detail | Value |
|---|---|
| Brand | Yukon Gear & Axle |
| MPN | YK GM12T |
| UPC | 883584140689 |
| Type | Master Overhaul Kit |
| Compatibility | GM 12-Bolt Truck Differential (30 spline) |
| Weight | 11.75 lbs |
| Shipping Dimensions | 14 x 14 x 6 inches |
| Country of Origin | USA |
| Warranty | 1 Year Manufacturer |
Whats Included
- Carrier bearings and races
- Pinion bearings and races
- Pinion seal
- Complete shim kit with Supershims
- Ring gear bolts
- Pinion nut
- Crush sleeve (if applicable)
- Oil baffles and slingers (if applicable)
- Thread locking compound
- Marking compound with brush
- Gasket
- High quality seals and small parts
Product Notes
- Designed specifically for GM 12-bolt truck series differentials
- Verify your differential spline count (30 spline typical for trucks)
- Kit supports both start-to-finish rebuilds with all components
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 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 | Chevrolet | V10 Suburban | Scottsdale |
| 1987 | 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 |





Reviews
There are no reviews yet.