OE Quality
60-Day Returns

Timken 8594S Wheel Seal - Rear
Reliable Wheel Seal for Buick, Oldsmobile, and Pontiac Models
The Timken 8594S wheel seal is designed to provide dependable sealing performance for select Buick, Oldsmobile, and Pontiac vehicles. Engineered to maintain driveline integrity, this wheel seal helps protect your vehicle’s axle components from contaminants and fluid leaks.
Key Features of the Timken 8594S Wheel Seal
- Compatible with Buick Cutlass, Cutlass Supreme, LeSabre, and Skylark models
- Fits Oldsmobile Cutlass, Cutlass Supreme, LeMans, and Tempest vehicles
- Suitable for Pontiac Firebird, Grand Prix, and GTO models
- Durable construction designed to resist wear and maintain a tight seal
- OEM-quality replacement part ensuring proper fit and function
Detailed Description of the Timken 8594S Wheel Seal
The Timken 8594S wheel seal is part of Timken’s driveline and axle sealing systems, engineered to provide a precise fit for specific GM vehicles. This wheel seal is manufactured to meet or exceed original equipment specifications, ensuring reliable performance in demanding driving conditions. It helps prevent the ingress of dirt, water, and other contaminants into the axle assembly, while retaining lubricants essential for smooth driveline operation. The seal’s design supports long service life and consistent sealing capability, making it a practical choice for maintaining the integrity of your Buick, Oldsmobile, or Pontiac’s driveline system.
Common Applications and Issues Addressed
- Prevents axle lubricant leaks that can lead to driveline damage
- Stops dirt and moisture from entering the wheel bearing area
- Reduces the risk of premature bearing wear and failure
- Helps maintain proper axle performance and vehicle safety
- Addresses seal wear or damage from age and road conditions
Installation Notes and Tips
- Ensure the axle and hub surfaces are clean and free of debris before installation
- Use appropriate tools to avoid damaging the seal during installation
- Verify correct orientation of the seal to maintain proper sealing function
- Inspect related components such as bearings and hubs for wear during replacement
- Consult vehicle service manual for torque specifications and installation procedures
Quality Assurance and Warranty Information
Timken wheel seals are manufactured under strict quality control standards to ensure durability and performance. The 8594S part number is backed by Timken’s commitment to quality, providing a reliable replacement for your Buick, Oldsmobile, or Pontiac vehicle. Warranty coverage details are available through Timken and may vary by region; consult Timken’s official documentation for specific warranty terms.
This part fits 44 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1970 | Pontiac | Grand Prix | 4 X 2 | Rear | Early 1970 |
| 1970 | Pontiac | Grand Prix | RWD | Rear | Early 1970 |
| 1970 | Pontiac | GTO | RWD | Rear | Early 1970 |
| 1970 | Pontiac | LeMans | RWD | Rear | Early 1970 |
| 1970 | Pontiac | Tempest | RWD | Rear | Early 1970 |
| 1969 | Oldsmobile | Cutlass | RWD | Rear | O Axle |
| 1969 | Oldsmobile | Cutlass Supreme | 4 X 2 | Rear | O Axle |
| 1969 | Oldsmobile | Cutlass Supreme | RWD | Rear | O Axle |
| 1969 | Pontiac | Firebird | RWD | Rear | |
| 1969 | Pontiac | GTO | RWD | Rear | |
| 1969 | Pontiac | LeMans | RWD | Rear | |
| 1969 | Pontiac | Tempest | RWD | Rear | |
| 1968 | Oldsmobile | Cutlass | RWD | Rear | O Axle |
| 1968 | Oldsmobile | Cutlass Supreme | 4 X 2 | Rear | O Axle |
| 1968 | Oldsmobile | Cutlass Supreme | RWD | Rear | O Axle |
| 1968 | Pontiac | Firebird | RWD | Rear | |
| 1968 | Pontiac | GTO | RWD | Rear | |
| 1968 | Pontiac | LeMans | RWD | Rear | |
| 1968 | Pontiac | Tempest | RWD | Rear | |
| 1967 | Buick | Skylark | RWD | Rear | |
| 1967 | Oldsmobile | Cutlass | RWD | Rear | |
| 1967 | Oldsmobile | Cutlass Supreme | 4 X 2 | Rear | |
| 1967 | Oldsmobile | Cutlass Supreme | RWD | Rear | |
| 1967 | Pontiac | Firebird | RWD | Rear | |
| 1967 | Pontiac | LeMans | RWD | Rear | |
| 1967 | Pontiac | Tempest | RWD | Rear | |
| 1966 | Buick | LeSabre | 4 X 2 | Rear | |
| 1966 | Buick | LeSabre | RWD | Rear | |
| 1966 | Buick | Skylark | RWD | Rear | |
| 1966 | Oldsmobile | Cutlass | RWD | Rear | |
| 1966 | Pontiac | GTO | RWD | Rear | |
| 1966 | Pontiac | LeMans | RWD | Rear | |
| 1966 | Pontiac | Tempest | RWD | Rear | |
| 1965 | Buick | LeSabre | 4 X 2 | Rear | |
| 1965 | Buick | LeSabre | RWD | Rear | |
| 1965 | Buick | Skylark | RWD | Rear | |
| 1965 | Oldsmobile | Cutlass | RWD | Rear | |
| 1965 | Pontiac | GTO | RWD | Rear | |
| 1965 | Pontiac | LeMans | RWD | Rear | |
| 1965 | Pontiac | Tempest | RWD | Rear | |
| 1964 | Oldsmobile | Cutlass | RWD | Rear | |
| 1964 | Pontiac | GTO | RWD | Rear | |
| 1964 | Pontiac | LeMans | RWD | Rear | |
| 1964 | Pontiac | Tempest | RWD | Rear |
* 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.