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National 472856 Wheel Seal - Rear or Rear Inner
National 472856 Wheel Seal for Ford F-250
National 472856 is a wheel seal built for driveline sealing applications where the shaft and housing dimensions must match precisely. It uses nitrile material with Redicoat protection and is specified for rear inner use on select Ford F-250 heavy-duty brake applications.
Key Features
- Part number: 472856
- Wheel seal / oil seal for driveline and axle sealing
- Nitrile construction for sealing performance
- Redicoat finish
- Inside diameter: 2.375 in. / 60.330 mm
- Outside diameter: 3.355 in. / 85.220 mm
- Housing bore: 3.350 in. / 85.090 mm
- Width: 0.438 in. / 11.130 mm
- Series 470000, Type 47
Detailed Description
National 472856 is an oil seal engineered for axle and wheel-end sealing where dimensional accuracy matters. The seal measures 2.375 inches on the shaft side, 3.355 inches on the outside diameter, and 0.438 inches in width, with a housing bore of 3.350 inches. It is made from nitrile and finished with Redicoat for added sealing support in demanding service conditions. This part cross-references Centric Parts 417.65017 for the same application.
Compatible With 1966-1969 Ford F-250 rear inner applications, including 1969 Ford F-250 rear inner with 1st Design, 0.438 in. width, heavy duty brakes, and 3.355 in. outside diameter. It also matches 1966-1968 Ford F-250 rear inner heavy duty brake applications. If you are servicing a Ford F-250 rear inner wheel seal, National 472856 provides the dimensional match needed for proper axle sealing.
Common Uses
- Stops gear oil leakage at the wheel-end seal area
- Addresses worn or hardened axle seal material
- Helps correct contamination from road debris and moisture
- Supports repair of rear inner sealing surfaces on Ford F-250 heavy-duty brake setups
Installation Notes
Verify shaft diameter, housing bore, width, and position before installation. Clean the seal bore and mating surfaces thoroughly, and inspect the axle shaft for wear or scoring that could affect sealing. Confirm rear inner placement and heavy-duty brake configuration on the vehicle before pressing the seal into place.
Quality Assurance
National has supplied sealing solutions for more than 75 years and continues to develop sealing products for modern vehicle service needs. Part number 472856 is built to National’s dimensional and material standards for axle and wheel-end sealing applications.
| Brand | National |
|---|---|
| Part Number | 472856 |
| Housing Bore (Inch) | 3.350 |
| Housing Bore (MM) | 85.090 |
| Inside Diameter | 2.375 |
| Inside Diameter | 60.330 |
| Material | Nitrile |
| Outside Diameter | 3.355 |
| Outside Diameter | 85.220 |
| Outside Diameter (Inch) | 3.355 |
| Outside Diameter (mm) | 85.220 |
| Part Description | Oil Seal |
| Redicoat | Yes |
| Series | 470000 |
| Shaft (Inch) | 2.375 |
| Shaft (MM) | 60.330 |
| Type | 47 |
| Unit of Dimension | Inch |
| Width (Inch) | 0.438 |
| Width (mm) | 11.130 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1969 | Ford | F-250 | Rear Inner | 1st Design; with 0.438 (in) Width; with Heavy Duty Brakes; 3.355 (in) Outside Diameter |
| 1968 | Ford | F-250 | Rear Inner | with Heavy Duty Brakes |
| 1967 | Ford | F-250 | Rear Inner | with Heavy Duty Brakes |
| 1966 | Ford | F-250 | Rear Inner | with Heavy Duty Brakes |
* 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.