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National 2674 Wheel Seal - Front or Front Inner
National 2674 Wheel Seal Overview
National 2674 is a wheel seal built for driveline and axle sealing applications where precise dimensions and durable sealing material matter. It uses nitrile construction with Redi-Coat coating and is identified as Type 89 in the 2000 series.
With a 2.875 inch shaft diameter, 4.180 inch outside diameter, and 0.812 inch width, this seal is specified for applications that require a 73.030 mm shaft and a 106.170 mm housing bore. National 2674 is a direct-fit style oil seal for service work on select axle and wheel-end assemblies.
Key Features
- Part number: 2674
- Wheel seal / oil seal for driveline and axle sealing systems
- Nitrile sealing material for common automotive service use
- Redi-Coat surface treatment
- Inside diameter: 2.875 in / 73.030 mm
- Outside diameter: 4.180 in / 106.170 mm
- Housing bore: 4.175 in / 106.050 mm
- Width: 0.812 in / 20.620 mm
- Series 2000, Type 89
Detailed Description
National 2674 is engineered as a sealing component for wheel-end and axle service where maintaining lubricant retention and excluding contaminants is critical. The nitrile material and coated sealing surface support consistent contact at the shaft interface, while the listed dimensions help confirm proper housing and shaft fitment before installation. This part number is also referenced in interchange listings for Hayden 2674 and AP Exhaust 28830, and it cross-references Febi-Bilstein 47500 for the same application.
For buyers searching for a National 2674 wheel seal, 2674 oil seal, or a replacement axle seal with 2.875 inch shaft sizing, this part provides the dimensional data needed to match the service requirement. It is a practical choice for wheel seal replacement on select vehicle applications, including make/model searches tied to Ford truck and classic vehicle service needs.
What It Is Used For
- Sealing wheel-end assemblies against gear oil leakage
- Replacing a worn or hardened axle seal
- Addressing grease or lubricant seepage at the hub area
- Restoring sealing performance after contamination or heat-related wear
- Supporting service work on select Ford truck and classic Ford applications
Installation Notes and Tips
Verify shaft diameter, housing bore, and seal width against the original part before installation. Inspect the sealing surface for scoring, corrosion, or wear that could affect seal life. Clean the bore thoroughly and confirm the seal seats evenly to avoid distortion during assembly. For fitment-based searches, confirm the vehicle application by year, make, model, and position before ordering.
Fits 1965-1972 Ford F-100, position not specified. Fits 1965-1972 Ford F-250, position not specified. Fits 1965-1972 Ford F-350, position not specified.
Quality Assurance
National has supplied sealing solutions for more than 75 years and continues to develop sealing components for modern and legacy vehicle service needs. National 2674 reflects that focus with application-specific dimensions and material selection for axle and wheel-end sealing service.
| Brand | National |
|---|---|
| Part Number | 2674 |
| Inside Diameter | 2.875 |
| Inside Diameter | 73.030 |
| Outside Diameter | 106.170 |
| Outside Diameter | 4.180 |
| Housing Bore (Inch) | 4.175 |
| Housing Bore (MM) | 106.050 |
| Material | Nitrile |
| Outside Diameter (Inch) | 4.180 |
| Outside Diameter (mm) | 106.170 |
| Part Description | Oil seal |
| Redicoat | Yes |
| Series | 2000 |
| Shaft (Inch) | 2.875 |
| Shaft (MM) | 73.030 |
| Type | 89 |
| Unit of Dimension | Inch |
| Width (Inch) | 0.812 |
| Width (mm) | 20.620 |
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.