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National 370169A Wheel Seal - Rear Inner
National 370169A Wheel Seal Overview
National 370169A is an oil bath wheel seal built for driveline and axle sealing applications where consistent retention and contamination control matter. It uses nitrile material and precise dimensions to match the housing bore, shaft diameter, and seal width required for the application.
For buyers searching for a wheel seal for Ford truck and axle service, National 370169A offers a direct-fit sealing solution backed by National’s long history in sealing technology. It is also a practical choice when replacing a worn oil bath seal on compatible Ford F-150 and Ford F-250 applications.
Key Features
- Part number: 370169A
- Wheel seal / oil bath seal design
- Nitrile sealing material
- Outside diameter: 4.761 in. (120.830 mm)
- Housing bore: 4.751 in. (120.680 mm)
- Shaft diameter: 3.500 in. (88.900 mm)
- Width: 0.605 in. (15.370 mm)
- Installation tool reference: RD297
Detailed Description
National 370169A is engineered as a wheel seal for oil bath service, with dimensions that support a precise fit in the housing bore while sealing around the shaft diameter. The nitrile construction is selected for sealing performance in driveline and axle environments, and the seal dimensions are listed in both inch and metric units for easier verification during parts lookup. This part cross-references SKF 34980 and 34994 for the same application. National 370169A is a strong match for technicians and parts buyers looking for a wheel seal for Ford F-150 and Ford F-250 axle service.
What It Helps Address
- Oil seepage at the wheel seal area
- Contamination entering the hub or axle assembly
- Loss of lubricant in oil bath applications
- Seal wear from age, heat, or mileage
- Noise or service issues related to a compromised sealing surface
Installation Notes and Tips
Verify the housing bore, shaft diameter, outside diameter, and width before installation to confirm the correct match. Use the specified installation tool RD297 when servicing the seal to help maintain proper seating and reduce the risk of damage during installation. Clean the sealing surfaces thoroughly and inspect the shaft and bore for wear before assembly.
Quality Assurance
National has supplied sealing solutions for more than 75 years and continues to develop products for modern vehicle service needs. The 370169A reflects that focus on dimensional accuracy and sealing performance for driveline and axle applications.
| Brand | National |
|---|---|
| Part Number | 370169A |
| Width | 0.605 |
| Width | 15.370 |
| Outside Diameter | 120.830 |
| Outside Diameter | 4.761 |
| Housing Bore | 120.680 |
| Housing Bore | 4.751 |
| Housing Bore (Inch) | 4.751 |
| Housing Bore (MM) | 120.680 |
| Installation Tool | Rd297 |
| Material | Nitrile |
| Outside Diameter (Inch) | 4.761 |
| Outside Diameter (mm) | 120.830 |
| 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) | 0.605 |
| Width (mm) | 15.370 |
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.