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InMotion WS415009 Wheel Seal - Front Inner
InMotion WS415009 Differential Pinion Seal
The InMotion WS415009 is a nitrile differential pinion seal built to create a secure barrier at the pinion shaft. It helps keep moisture and road debris out of the differential while supporting leak control and long-term driveline protection.
Key Features
- Nitrile construction for dependable sealing performance
- Inside diameter: 2.75 in.
- Outside diameter: 3.881 in.
- Width: 0.468 in.
- Shaft diameter: 2.75 in.
- Housing bore: 3.876 in.
- Direct-fit application for select Dodge front inner axle positions
Detailed Description
Built for driveline sealing applications, the InMotion WS415009 is engineered to maintain a tight seal around the differential pinion area. Its nitrile material is selected for sealing durability, while the listed dimensions help support proper fitment in the housing bore and on the shaft. This part is a practical replacement for service work on Dodge W200, W300, W250, and W350 front inner applications, including 1975-1980 Dodge W200 front inner with Spicer 60-F axle and 1981-1993 Dodge W250 front inner with Spicer 60-F axle. The WS415009 is also a fit for 1975-1980 Dodge W300 front inner and 1981-1993 Dodge W350 front inner positions.
This part cross-references no listed aftermarket part numbers for the same application.
What It Helps Address
- Differential pinion oil leaks
- Contamination from dirt, water, and road debris
- Seal wear at the pinion shaft area
- Loss of sealing integrity in front inner axle service
- Maintenance needs on Dodge W200, W300, W250, and W350 driveline assemblies
Installation Notes and Tips
Verify housing bore, shaft diameter, and seal width before installation. Clean the sealing surface thoroughly and inspect the pinion area for wear, scoring, or contamination that could affect seal life. Confirm the front inner position and axle configuration, including Spicer 60-F axle notes where listed, before ordering or installing the WS415009.
Quality Assurance
InMotion manufactures this seal with precision-focused dimensions and high-quality nitrile material to support reliable differential sealing in service applications.
| Brand | InMotion |
|---|---|
| Part Number | WS415009 |
| Material | Nitrile |
| Inside Diameter | 2.75 |
| Width | 0.46800000000000003 |
| Outside Diameter | 3.8809999999999998 |
| Shaft Diameter | 2.75 |
| Housing Bore | 3.8759999999999999 |
This part fits 38 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1993 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1993 | Dodge | W350 | Front Inner | |
| 1992 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1992 | Dodge | W350 | Front Inner | |
| 1991 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1991 | Dodge | W350 | Front Inner | |
| 1990 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1990 | Dodge | W350 | Front Inner | |
| 1989 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1989 | Dodge | W350 | Front Inner | |
| 1988 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1988 | Dodge | W350 | Front Inner | |
| 1987 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1987 | Dodge | W350 | Front Inner | |
| 1986 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1986 | Dodge | W350 | Front Inner | |
| 1985 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1985 | Dodge | W350 | Front Inner | |
| 1984 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1984 | Dodge | W350 | Front Inner | |
| 1983 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1983 | Dodge | W350 | Front Inner | |
| 1982 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1982 | Dodge | W350 | Front Inner | |
| 1981 | Dodge | W250 | Front Inner | with Spicer 60-F Axle |
| 1981 | Dodge | W350 | Front Inner | |
| 1980 | Dodge | W200 | Front Inner | with Spicer 60-F Axle |
| 1980 | Dodge | W300 | Front Inner | |
| 1979 | Dodge | W200 | Front Inner | with Spicer 60-F Axle |
| 1979 | Dodge | W300 | Front Inner | |
| 1978 | Dodge | W200 | Front Inner | with Spicer 60-F Axle |
| 1978 | Dodge | W300 | Front Inner | |
| 1977 | Dodge | W200 | Front Inner | with Spicer 60-F Axle |
| 1977 | Dodge | W300 | Front Inner | |
| 1976 | Dodge | W200 | Front Inner | with Spicer 60-F Axle |
| 1976 | Dodge | W300 | Front Inner | |
| 1975 | Dodge | W200 | Front Inner | with Spicer 60-F Axle |
| 1975 | Dodge | W300 | Front Inner |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.