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National 370132A Wheel Seal - Front Inner or Rear Inner
National 370132A Wheel Seal Overview
National 370132A is an oil bath wheel seal built for driveline and axle sealing applications where consistent retention of lubricant matters. It uses nitrile material and is sized with a 4.558 in. outside diameter, 4.543 in. housing bore, and 0.788 in. width for a precise service fit.
For technicians servicing axle-end sealing on Ford truck and similar wheel-end applications, National 370132A provides a direct replacement option with dimensional details that support accurate matching during repair.
Key Features
- Wheel seal / oil bath seal for axle and hub sealing service
- Nitrile construction for sealing performance in driveline environments
- Outside diameter: 4.558 in. (115.770 mm)
- Housing bore: 4.543 in. (115.390 mm)
- Width: 0.788 in. (20.020 mm)
- Shaft diameter: 3.500 in. (88.900 mm)
- Series 370000 design
- Installation tool reference: RD297
Detailed Description
National 370132A is a National wheel seal engineered for oil bath sealing applications in the driveline and axle category. The seal’s nitrile material and measured dimensions help support a proper housing fit and shaft interface when replacing a worn axle seal. National has supplied sealing products for more than 75 years, and this part reflects that focus on serviceable sealing solutions for modern vehicles. This part cross-references SKF 34971 and Dorman - HELP 47874 for the same application. Search terms such as Ford truck wheel seal replacement, oil bath axle seal, and National 370132A wheel seal are commonly used when sourcing this part for Ford truck and related wheel-end service.
What It Helps Address
- Gear oil or lubricant leakage at the wheel end
- Contamination entering the hub or axle seal area
- Seal wear from age, heat, or mileage
- Improper sealing after prior wheel-end service
- Noise or maintenance issues related to low lubricant retention
Installation Notes and Tips
Verify housing bore, shaft diameter, and seal width before installation. Use the specified installation tool RD297 to help seat the seal evenly and avoid distortion. Clean the bore and sealing surfaces thoroughly, and inspect the shaft surface for wear or scoring before installing National 370132A. Confirm the application against the vehicle service information for Ford truck wheel seal service and other axle-end repairs.
Quality Assurance
National designs sealing components with long-term industry experience and application-focused engineering. National 370132A is built to match the listed dimensions and sealing requirements for wheel-end oil bath service, supporting accurate replacement selection for Ford truck and similar driveline applications.
| Brand | National |
|---|---|
| Part Number | 370132A |
| Width | 0.788 |
| Width | 20.020 |
| Outside Diameter | 115.770 |
| Outside Diameter | 4.558 |
| Housing Bore | 115.390 |
| Housing Bore | 4.543 |
| Housing Bore (Inch) | 4.543 |
| Housing Bore (MM) | 115.390 |
| Installation Tool | Rd297 |
| Material | Nitrile |
| Outside Diameter (Inch) | 4.558 |
| Outside Diameter (mm) | 115.770 |
| Part Description | Oil bath seal |
| Series | 370000 |
| Shaft (Inch) | 3.500 |
| Shaft (MM) | 88.900 |
| Shaft Diameter | 3.500 |
| Shaft Diameter | 88.900 |
| Type | 07 |
| Unit of Dimension | Inch |
| Width (Inch) | 0.788 |
| Width (mm) | 20.020 |
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.