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National 6954S Wheel Seal - Front Inner
National 6954S Wheel Seal for Ford F-250 and F-350
The National 6954S wheel seal is engineered to provide reliable sealing performance for Ford F-250 and F-350 driveline systems. Designed with precision dimensions and durable nitrile material, this oil seal helps maintain optimal axle function and prevent leaks.
- Inside diameter: 2.062 inches (52.370 mm)
- Outside diameter: 3.005 inches (76.330 mm)
- Housing bore: 3.000 inches (76.200 mm)
- Width: 0.310 inches (7.870 mm)
- Material: Nitrile for enhanced oil resistance
- Series: 6000, Type 44 oil seal
Precision Dimensions and Durable Material
The National 6954S wheel seal features an inside diameter of 2.062 inches and an outside diameter of 3.005 inches, matching the exact specifications required for Ford F-250 and F-350 axle assemblies. Its 0.310-inch width ensures a secure fit within the housing bore of 3.000 inches. Constructed from nitrile, this seal offers resistance to oil, heat, and wear, making it suitable for demanding driveline environments. The Type 44 design provides effective sealing against contaminants and fluid leakage, supporting the longevity of your vehicle's axle components.
Compatible Applications and Common Uses
This wheel seal is specifically compatible with Ford F-250 and F-350 models, ensuring proper fitment and function in these vehicles' driveline and axle systems. It is commonly used to address issues such as:
- Preventing oil leaks from axle shafts
- Reducing contamination ingress into the axle housing
- Maintaining proper lubrication within the driveline
- Minimizing wear on axle components
- Ensuring consistent performance under heavy-duty conditions
Installation Notes and Tips
When installing the National 6954S wheel seal, ensure the axle shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the original part to maintain proper sealing function. Lubricate the seal lip lightly with clean oil before installation to reduce initial wear.
Quality Assurance and Warranty
National wheel seals are manufactured to meet industry standards for durability and performance. The 6954S part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support professional repair and maintenance needs.
| Brand | National |
|---|---|
| Part Number | 6954S |
| Housing Bore (Inch) | 3.000 |
| Housing Bore (MM) | 76.200 |
| Inside Diameter | 2.062 |
| Inside Diameter | 52.370 |
| Material | Nitrile |
| Outside Diameter | 3.005 |
| Outside Diameter | 76.330 |
| Outside Diameter (Inch) | 3.005 |
| Outside Diameter (mm) | 76.330 |
| Part Description | Oil Seal |
| Series | 6000 |
| Shaft (Inch) | 2.062 |
| Shaft (MM) | 52.370 |
| Type | 44 |
| Unit of Dimension | Inch |
| Width (Inch) | 0.310 |
| Width (mm) | 7.870 |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1975 | Ford | F-250 | RWD | Front Inner | 1st Design; with 0.31 (in) Width; with Heavy Duty Brakes; 3.00 (in) Outside Diameter |
| 1975 | Ford | F-350 | Front Inner | 2.062 (in) Shaft Diameter; 1st Design; with 0.31 (in) Width; 3.00 (in) Outside Diameter | |
| 1974 | Ford | F-250 | RWD | Front Inner | with Heavy Duty Brakes |
| 1974 | Ford | F-350 | Front Inner | ||
| 1973 | Ford | F-250 | RWD | Front Inner | with Heavy Duty Brakes |
| 1973 | Ford | F-350 | Front Inner | ||
| 1972 | Ford | F-250 | Front Inner | with RWD; with Disc Brakes | |
| 1972 | Ford | F-250 | Front Inner | with RWD; with Drum Brakes; with Heavy Duty Brakes | |
| 1972 | Ford | F-350 | Front Inner | ||
| 1971 | Ford | F-250 | Front Inner | with RWD; with Disc Brakes | |
| 1971 | Ford | F-250 | Front Inner | with RWD; with Drum Brakes; with Heavy Duty Brakes | |
| 1971 | Ford | F-350 | Front Inner | ||
| 1970 | Ford | F-250 | Front Inner | with RWD; with Disc Brakes | |
| 1970 | Ford | F-250 | Front Inner | with RWD; with Drum Brakes; with Heavy Duty Brakes | |
| 1970 | Ford | F-350 | Front Inner | ||
| 1969 | Ford | F-250 | Front Inner | with RWD; with Disc Brakes | |
| 1969 | Ford | F-250 | Front Inner | with RWD; with Drum Brakes; with Heavy Duty Brakes | |
| 1969 | Ford | F-350 | Front Inner | ||
| 1968 | Ford | F-250 | Front Inner | with RWD; with Disc Brakes | |
| 1968 | Ford | F-250 | Front Inner | with RWD; with Drum Brakes; with Heavy Duty Brakes | |
| 1968 | Ford | F-350 | Front Inner | ||
| 1967 | Ford | F-250 | Front Inner | with RWD; with Drum Brakes; with Heavy Duty Brakes | |
| 1967 | Ford | F-350 | Front Inner | ||
| 1966 | Ford | F-250 | Front Inner | with RWD; with Drum Brakes; with Heavy Duty Brakes | |
| 1966 | Ford | F-350 | Front Inner | ||
| 1965 | Ford | F-250 | Front Inner | with RWD; with Drum Brakes; with Heavy Duty Brakes | |
| 1965 | Ford | F-350 | Front Inner | ||
| 1964 | Ford | F-350 | Front Inner | ||
| 1963 | Ford | F-350 | Front Inner | ||
| 1962 | Ford | F-350 | Front Inner | ||
| 1961 | Ford | F-350 | Front Inner | ||
| 1960 | Ford | F-350 | Front Inner | ||
| 1959 | Ford | F-350 | Front Inner | with RWD | |
| 1958 | Ford | F-350 | Front Inner | ||
| 1957 | Ford | F-350 | Front Inner |
* 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.