OE Quality
60-Day Returns

Timken 28521 Differential Race
Reliable Differential Race for Buick and Ford Vehicles
The Timken 28521 differential race is engineered to provide precise fitment and durability for select Buick and Ford models. Designed to maintain optimal driveline performance, this component supports smooth differential operation in vehicles like the Ford F-150 and Buick LeSabre.
- Compatible with Buick LeSabre, Roadmaster, and Ford Bronco, F-150, F-250, F-350, and Econoline series
- Manufactured by Timken, a trusted name in driveline and axle components
- Part number 28521 ensures exact replacement fit
- Constructed for durability under heavy-duty driving conditions
- Supports proper bearing alignment within the differential assembly
Product Details and Specifications
The Timken 28521 differential race is a critical component within the driveline and axles category, specifically designed to fit a range of Buick and Ford vehicles. This part is essential for maintaining the correct seating and rotation of differential bearings, which helps reduce wear and extends the life of the differential assembly. Compatible with models such as the Ford Bronco, F-150, F-250 Super Duty, and the Buick Roadmaster, this differential race meets OEM standards for quality and fitment. The precision engineering behind part number 28521 ensures reliable performance in both light and heavy-duty applications.
Common Applications and Problem Resolution
- Addresses bearing misalignment issues within the differential
- Replaces worn or damaged differential races causing noise or vibration
- Helps restore smooth differential operation in Ford Econoline and Super Duty trucks
- Prevents premature bearing failure in Buick LeSabre and Roadmaster differentials
- Supports driveline stability under load and during off-road conditions
Installation Notes and Tips
When installing the Timken 28521 differential race, ensure the differential housing is clean and free of debris. Proper seating of the race is critical to avoid premature wear; use appropriate tools to press the race evenly into place. Verify compatibility with your specific Buick or Ford model before installation. It is recommended to inspect related bearings and seals during replacement to maintain overall driveline integrity.
Quality Assurance and Warranty
Timken manufactures the 28521 differential race to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details are not provided, Timken products typically adhere to industry standards for material and workmanship. Using genuine Timken parts helps maintain the reliability of your vehicle's driveline system.
This part fits 131 vehicles. Search below:
| Year | Make | Model | Drive Type | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 1999 | Ford | F-250 Super Duty | 4WD | Manual | Rear | |
| 1999 | Ford | F-250 Super Duty | RWD | Manual | Rear | |
| 1999 | Ford | F-350 Super Duty | Manual | N/A | ||
| 1999 | Ford | F-350 Super Duty | RWD | Manual | Rear | |
| 1999 | Ford | F-350 Super Duty | 4WD | Manual | Rear | |
| 1997 | Ford | F-350 | Manual | N/A | ||
| 1997 | Ford | F-350 | RWD | Manual | Rear | |
| 1997 | Ford | F-350 | 4WD | Manual | Rear | |
| 1996 | Ford | F-150 | Manual | N/A | ZF S5-42 | |
| 1996 | Ford | F-150 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1996 | Ford | F-150 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1996 | Ford | F-250 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1996 | Ford | F-250 | Manual | N/A | ZF S5-42 | |
| 1996 | Ford | F-250 | Manual | N/A | ||
| 1996 | Ford | F-250 | 4WD | Manual | Rear | |
| 1996 | Ford | F-250 | RWD | Manual | Rear | |
| 1996 | Ford | F-250 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1996 | Ford | F-350 | Manual | N/A | ||
| 1996 | Ford | F-350 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1996 | Ford | F-350 | RWD | Manual | Rear | |
| 1996 | Ford | F-350 | 4WD | Manual | Rear | |
| 1996 | Ford | F-350 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1995 | Ford | F-150 | Manual | N/A | ZF S5-42 | |
| 1995 | Ford | F-150 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1995 | Ford | F-150 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1995 | Ford | F-250 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1995 | Ford | F-250 | Manual | N/A | ZF S5-42 | |
| 1995 | Ford | F-250 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1995 | Ford | F-350 | Manual | N/A | ||
| 1995 | Ford | F-350 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1995 | Ford | F-350 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1994 | Ford | F-150 | Manual | N/A | ZF S5-42 | |
| 1994 | Ford | F-150 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1994 | Ford | F-150 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1994 | Ford | F-250 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1994 | Ford | F-250 | Manual | N/A | ZF S5-42 | |
| 1994 | Ford | F-250 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1994 | Ford | F-350 | Manual | N/A | ||
| 1994 | Ford | F-350 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1994 | Ford | F-350 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1993 | Ford | F-150 | Manual | N/A | ZF S5-42 | |
| 1993 | Ford | F-150 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1993 | Ford | F-150 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1993 | Ford | F-250 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1993 | Ford | F-250 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1993 | Ford | F-350 | Manual | N/A | ||
| 1993 | Ford | F-350 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1993 | Ford | F-350 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1992 | Ford | Bronco | Manual | N/A | ZF S5-42 | |
| 1992 | Ford | Bronco | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1992 | Ford | F-150 | Manual | N/A | ZF S5-42 | |
| 1992 | Ford | F-150 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1992 | Ford | F-150 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1992 | Ford | F-250 | Manual | N/A | ZF S5-42 | |
| 1992 | Ford | F-250 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1992 | Ford | F-250 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1992 | Ford | F-350 | Manual | N/A | ||
| 1992 | Ford | F-350 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1992 | Ford | F-350 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1991 | Ford | Bronco | Manual | N/A | ZF S5-42 | |
| 1991 | Ford | Bronco | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1991 | Ford | F-150 | Manual | N/A | ZF S5-42 | |
| 1991 | Ford | F-150 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1991 | Ford | F-150 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1991 | Ford | F-250 | Manual | N/A | ZF S5-42 | |
| 1991 | Ford | F-250 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1991 | Ford | F-250 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1991 | Ford | F-350 | Manual | N/A | ||
| 1991 | Ford | F-350 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1991 | Ford | F-350 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1990 | Ford | Bronco | Manual | N/A | ZF S5-42 | |
| 1990 | Ford | Bronco | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1990 | Ford | F-150 | Manual | N/A | ZF S5-42 | |
| 1990 | Ford | F-150 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1990 | Ford | F-150 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1990 | Ford | F-250 | Manual | N/A | ZF S5-42 | |
| 1990 | Ford | F-250 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1990 | Ford | F-250 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1990 | Ford | F-350 | Manual | N/A | ||
| 1990 | Ford | F-350 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1990 | Ford | F-350 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1989 | Ford | E-150 Econoline | Manual | N/A | ZF S5-42 | |
| 1989 | Ford | E-150 Econoline | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1989 | Ford | E-150 Econoline Club Wagon | Manual | N/A | ZF S5-42 | |
| 1989 | Ford | E-150 Econoline Club Wagon | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1989 | Ford | E-350 Econoline | Manual | N/A | ||
| 1989 | Ford | E-350 Econoline | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1989 | Ford | F-150 | Manual | N/A | ZF S5-42 | |
| 1989 | Ford | F-150 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1989 | Ford | F-150 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1989 | Ford | F-250 | Manual | N/A | ZF S5-42 | |
| 1989 | Ford | F-250 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1989 | Ford | F-250 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1989 | Ford | F-350 | Manual | N/A | ||
| 1989 | Ford | F-350 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1989 | Ford | F-350 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1988 | Ford | E-150 Econoline | Manual | N/A | ZF S5-42 | |
| 1988 | Ford | E-150 Econoline | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1988 | Ford | E-150 Econoline Club Wagon | Manual | N/A | ZF S5-42 | |
| 1988 | Ford | E-150 Econoline Club Wagon | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1988 | Ford | E-350 Econoline | Manual | N/A | ||
| 1988 | Ford | E-350 Econoline | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1988 | Ford | F-150 | Manual | N/A | ZF S5-42 | |
| 1988 | Ford | F-150 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1988 | Ford | F-150 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1988 | Ford | F-250 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1988 | Ford | F-250 | Manual | N/A | ZF S5-42 | |
| 1988 | Ford | F-250 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1988 | Ford | F-350 | Manual | N/A | ||
| 1988 | Ford | F-350 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1988 | Ford | F-350 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1987 | Ford | F-250 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1987 | Ford | F-250 | Manual | N/A | ZF S5-42 | |
| 1987 | Ford | F-250 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1987 | Ford | F-350 | Manual | N/A | ||
| 1987 | Ford | F-350 | 4WD | Manual | Rear | ZF S5-42 - 4WD |
| 1987 | Ford | F-350 | RWD | Manual | Rear | ZF S5-42 - 2WD |
| 1962 | Buick | LeSabre | Rear Left | |||
| 1962 | Buick | LeSabre | Rear Right | |||
| 1961 | Buick | LeSabre | Rear Left | |||
| 1961 | Buick | LeSabre | Rear Right | |||
| 1960 | Buick | LeSabre | Rear Left | |||
| 1960 | Buick | LeSabre | Rear Right | |||
| 1959 | Buick | LeSabre | Rear Left | |||
| 1959 | Buick | LeSabre | Rear Right | |||
| 1958 | Buick | Roadmaster | Rear Left | |||
| 1958 | Buick | Roadmaster | Rear Right | |||
| 1957 | Buick | Roadmaster | Rear Left | |||
| 1957 | Buick | Roadmaster | Rear Right | |||
| 1956 | Buick | Roadmaster | Rear Left | |||
| 1956 | Buick | Roadmaster | Rear Right |
* 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.