OE Quality
60-Day Returns

Timken 29522 Differential Race - Rear or Rear Inner
Timken 29522 Differential Race Overview
The Timken 29522 differential race is engineered for reliable driveline performance in select Chevrolet, GMC, and Isuzu vehicles. Designed to meet precise specifications, this bearing race supports smooth differential operation and durability under demanding conditions.
- Width options: 0.750 inch and 19.05 mm for versatile fitment
- Outside diameter measurements: 107.95 mm and 4.250 inches ensuring accurate seating
- Bearing cup radius available in 0.031 inch and 0.80 mm for optimal bearing alignment
- Compatible with Chevrolet K1500, K3500, C3500, Pickup, GMC R30, R3500, V30, V3500, and Isuzu Amigo, Rodeo, Trooper models
- Part number 29522 for precise identification and replacement
Technical Specifications and Fitment Details
The Timken 29522 differential race features dual width and diameter measurements to accommodate specific axle configurations. The 0.750 inch and 19.05 mm width options provide flexibility for different bearing setups, while the outside diameter values of 107.95 mm and 4.250 inches ensure a secure fit within the differential housing. The bearing cup radius measurements of 0.031 inch and 0.80 mm are critical for maintaining proper bearing seating and reducing wear. This part is compatible with a range of Chevrolet, GMC, and Isuzu models, including Chevrolet K1500 and K3500 pickups, GMC R3500 and V3500 series, and Isuzu Amigo and Rodeo vehicles, making it suitable for various driveline repairs and maintenance tasks.
Applications and Problem Resolution
- Restores proper bearing seating in differential assemblies
- Eliminates noise and vibration caused by worn or damaged races
- Prevents premature bearing failure in Chevrolet K1500 and GMC R3500 differentials
- Supports smooth axle rotation in Isuzu Amigo and Rodeo models
- Addresses differential wear issues related to improper race dimensions
Installation Notes and Tips
- Ensure the differential housing is clean and free of debris before installation
- Use appropriate tools to press the race evenly into the housing to avoid damage
- Verify the correct width and diameter measurements match the vehicle’s specifications
- Inspect bearings and other differential components for wear during replacement
- Consult vehicle service manuals for torque specifications and installation procedures
Quality Assurance and Warranty
Timken manufactures the 29522 differential race to meet industry standards for durability and precision. Each part undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Timken products typically include coverage against manufacturing defects, providing confidence in long-term performance for Chevrolet, GMC, and Isuzu driveline applications.
This part fits 89 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1998 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1997 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1996 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1995 | Chevrolet | C3500 | Rear | Isuzu R040 Axle |
| 1995 | Chevrolet | K3500 | Rear | Isuzu R040 Axle |
| 1995 | GMC | C3500 | Rear | Isuzu R040 Axle |
| 1995 | GMC | K3500 | Rear | Isuzu R040 Axle |
| 1995 | Isuzu | Pickup | Rear | KS22, NPR, R040 Axles |
| 1995 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1994 | Chevrolet | C3500 | Rear | Isuzu R040 Axle |
| 1994 | Chevrolet | K3500 | Rear | Isuzu R040 Axle |
| 1994 | GMC | C3500 | Rear | Isuzu R040 Axle |
| 1994 | GMC | K3500 | Rear | Isuzu R040 Axle |
| 1994 | Isuzu | Amigo | Rear | KS22, NPR, R040 Axles |
| 1994 | Isuzu | Pickup | Rear | KS22, NPR, R040 Axles |
| 1994 | Isuzu | Rodeo | Rear | KS22, NPR, R040 Axles |
| 1994 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1993 | Chevrolet | C3500 | Rear | Isuzu R040 Axle |
| 1993 | Chevrolet | K3500 | Rear | Isuzu R040 Axle |
| 1993 | GMC | C3500 | Rear | Isuzu R040 Axle |
| 1993 | GMC | K3500 | Rear | Isuzu R040 Axle |
| 1993 | Isuzu | Amigo | Rear | KS22, NPR, R040 Axles |
| 1993 | Isuzu | Pickup | Rear | KS22, NPR, R040 Axles |
| 1993 | Isuzu | Rodeo | Rear | KS22, NPR, R040 Axles |
| 1993 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1992 | Chevrolet | C3500 | Rear | Isuzu R040 Axle |
| 1992 | Chevrolet | K3500 | Rear | Isuzu R040 Axle |
| 1992 | GMC | C3500 | Rear | Isuzu R040 Axle |
| 1992 | GMC | K3500 | Rear | Isuzu R040 Axle |
| 1992 | Isuzu | Amigo | Rear | KS22, NPR, R040 Axles |
| 1992 | Isuzu | Pickup | Rear | KS22, NPR, R040 Axles |
| 1992 | Isuzu | Rodeo | Rear | KS22, NPR, R040 Axles |
| 1992 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1991 | Chevrolet | C3500 | Rear | Isuzu R040 Axle |
| 1991 | Chevrolet | K3500 | Rear | Isuzu R040 Axle |
| 1991 | Chevrolet | R3500 | Rear | Isuzu R040 Axle |
| 1991 | Chevrolet | V3500 | Rear | Isuzu R040 Axle |
| 1991 | GMC | C3500 | Rear | Isuzu R040 Axle |
| 1991 | GMC | K3500 | Rear | Isuzu R040 Axle |
| 1991 | GMC | R3500 | Rear | Isuzu R040 Axle |
| 1991 | GMC | V3500 | Rear | Isuzu R040 Axle |
| 1991 | Isuzu | Amigo | Rear | KS22, NPR, R040 Axles |
| 1991 | Isuzu | Pickup | Rear | KS22, NPR, R040 Axles |
| 1991 | Isuzu | Rodeo | Rear | KS22, NPR, R040 Axles |
| 1991 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1990 | Chevrolet | C3500 | Rear | Isuzu R040 Axle |
| 1990 | Chevrolet | K3500 | Rear | Isuzu R040 Axle |
| 1990 | Chevrolet | R3500 | Rear | Isuzu R040 Axle |
| 1990 | Chevrolet | V3500 | Rear | Isuzu R040 Axle |
| 1990 | GMC | C3500 | Rear | Isuzu R040 Axle |
| 1990 | GMC | K3500 | Rear | Isuzu R040 Axle |
| 1990 | GMC | R3500 | Rear | Isuzu R040 Axle |
| 1990 | GMC | V3500 | Rear | Isuzu R040 Axle |
| 1990 | Isuzu | Amigo | Rear | KS22, NPR, R040 Axles |
| 1990 | Isuzu | Pickup | Rear | KS22, NPR, R040 Axles |
| 1990 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1989 | Chevrolet | C3500 | Rear | Isuzu R040 Axle |
| 1989 | Chevrolet | K3500 | Rear | Isuzu R040 Axle |
| 1989 | Chevrolet | R3500 | Rear | Isuzu R040 Axle |
| 1989 | Chevrolet | V3500 | Rear | Isuzu R040 Axle |
| 1989 | GMC | C3500 | Rear | Isuzu R040 Axle |
| 1989 | GMC | K1500 | Rear | Isuzu R040 Axle |
| 1989 | GMC | K3500 | Rear | Isuzu R040 Axle |
| 1989 | GMC | R3500 | Rear | Isuzu R040 Axle |
| 1989 | GMC | V3500 | Rear | Isuzu R040 Axle |
| 1989 | Isuzu | Amigo | Rear | KS22, NPR, R040 Axles |
| 1989 | Isuzu | Pickup | Rear | KS22, NPR, R040 Axles |
| 1989 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1988 | Chevrolet | C3500 | Rear | Isuzu R040 Axle |
| 1988 | Chevrolet | K3500 | Rear | Isuzu R040 Axle |
| 1988 | Chevrolet | R30 | Rear | Isuzu R040 Axle |
| 1988 | Chevrolet | V30 | Rear | Isuzu R040 Axle |
| 1988 | GMC | C3500 | Rear | Isuzu R040 Axle |
| 1988 | GMC | K3500 | Rear | Isuzu R040 Axle |
| 1988 | GMC | R3500 | Rear | Isuzu R040 Axle |
| 1988 | GMC | V3500 | Rear | Isuzu R040 Axle |
| 1988 | Isuzu | Pickup | Rear | KS22, NPR, R040 Axles |
| 1988 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1987 | Chevrolet | R30 | Rear | Isuzu R040 Axle |
| 1987 | Chevrolet | V30 | Rear | Isuzu R040 Axle |
| 1987 | GMC | R3500 | Rear | Isuzu R040 Axle |
| 1987 | GMC | V3500 | Rear | Isuzu R040 Axle |
| 1987 | Isuzu | Pickup | Rear | KS22, NPR, R040 Axles |
| 1987 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1986 | Isuzu | Pickup | Rear | KS22, NPR, R040 Axles |
| 1986 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
| 1985 | Isuzu | Pickup | Rear | KS22, NPR, R040 Axles |
| 1985 | Isuzu | Trooper | Rear | KS22, NPR, R040 Axles |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.