OE Quality
60-Day Returns

SKF 9998 Steering Gear Worm Shaft Seal
Reliable Steering Gear Worm Shaft Seal for Precise Performance
The SKF 9998 Steering Gear Worm Shaft Seal is engineered to maintain optimal sealing in your vehicle's steering system. Designed with precision dimensions and durable nitrile sealing surfaces, this part ensures consistent performance and protection against leaks.
- Width: 0.250 inches for a compact, effective seal
- Outside Diameter: 1.756 inches to fit standard steering gear housings
- Shaft Diameter: 1.000 inch for accurate shaft compatibility
- Sealing Surface Type: Nitrile material for resistance to oil and wear
- Part Number: 9998 for easy identification and replacement
Detailed Description of the SKF 9998 Steering Seal
This steering gear worm shaft seal from SKF is crafted to provide a tight seal around the steering shaft, preventing fluid leaks and contamination. The nitrile sealing surface offers durability against hydraulic fluids and temperature variations commonly found in automotive steering systems. With a width of 0.250 inches and an outside diameter of 1.756 inches, it fits precisely in compatible steering gear assemblies. The 1.000-inch shaft diameter ensures a snug fit around the worm shaft, maintaining system integrity and steering responsiveness.
Common Applications and Issues Addressed
- Prevents hydraulic fluid leaks in steering gear assemblies
- Reduces contamination ingress that can cause premature wear
- Maintains consistent steering performance and responsiveness
- Helps avoid steering gear noise caused by fluid loss
- Supports longevity of steering components in vehicles like Ford F-150 and Chevrolet Silverado
Installation Notes and Tips
When installing the SKF 9998 steering gear worm shaft seal, ensure the steering gear housing and shaft are clean and free of debris. Lubricate the nitrile sealing surface lightly with compatible hydraulic fluid to ease installation and prevent damage. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal is seated flush to avoid leaks and premature failure.
Quality Assurance and Warranty
SKF manufactures the 9998 steering gear worm shaft seal to meet strict quality standards, ensuring reliable sealing performance. While specific warranty details are not provided, SKF products typically adhere to industry standards for durability and material integrity, supporting long-term use in automotive steering systems.
| Brand | SKF |
| Part Number | 9998 |
| Width | 0.250 |
| Outside Diameter | 1.756 |
| Sealing Surface Type | Nitrile |
| Shaft Diameter | 1.000 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* 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.