InMotion WS455086 Wheel Seal - Rear Inner

Name: InMotion WS455086 Wheel Seal - Rear Inner
Brand: InMotion
SKU: HKKS-WS455086
Price: 8.68 USD
Availability: InStock

Rear Inner

⚙️ 116 vehicles fit this part

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🚗Fitment: Dodge and Plymouth, B300, B350, D200, D250, D300, D350, PB350, Ram 2500, Ram 3500, W200, W250, W300, and W350

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Rear Inner Differential Pinion Seal for Dodge Trucks

The InMotion WS455086 is a rear inner differential pinion seal built with nitrile sealing material for a secure barrier against dirt, moisture, and gear oil loss. It is a direct-fit service part for a wide range of Dodge and Plymouth heavy-duty applications, including Ram 2500 and Ram 3500 models.

Use this seal when servicing the differential pinion area on vehicles such as the Dodge Ram 2500, Dodge Ram 3500, and Dodge W350. The WS455086 is sized for the housing and shaft dimensions listed below and is intended for rear inner placement.

Key Features

Brand: InMotion
Part Number: WS455086
Part type: Wheel Seal / differential pinion seal
Material: Nitrile
Inside diameter: 2.94 in. / 74.8 mm
Outside diameter: 4.26 in. / 108.1 mm
Width: 0.468 in. / 11.9 mm
Shaft diameter: 3 in. / 76.2 mm
Housing bore: 4.249 in. / 107.9 mm
External marking: 3042446SA-H

Detailed Description

InMotion WS455086 is engineered to seal the differential pinion area and help keep contaminants out of the internal driveline components. Its nitrile construction is selected for sealing performance in drivetrain service, while the listed dimensions support accurate replacement during differential repair work. This part number, WS455086, is used on rear inner applications across multiple Dodge truck platforms and Plymouth PB350 models, making it a practical choice for axle and differential maintenance.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Vehicle Fitment

Fits 1994-2002 Dodge Ram 3500, rear inner.
Fits 1994-2001 Dodge Ram 2500, rear inner, with 13in x 3.5in brakes.
Fits 1981-1994 Dodge B350, rear inner, except 9,000lb GVW.
Fits 1990-1993 Dodge D250, rear inner, with Spicer 71 axle.
Fits 1988 Dodge D250, rear inner, with Spicer 71 axle.
Fits 1993 Dodge D350, rear inner, with Spicer 71 axle.
Fits 1991 Dodge D350, rear inner, with Spicer 71 axle.
Fits 1988-1989 Dodge D350, rear inner, with Spicer 71 axle.
Fits 1988-1993 Dodge W250, rear inner, with Spicer 71 axle.
Fits 1993 Dodge W350, rear inner, except 9,000lb GVW.
Fits 1986-1991 Dodge W350, rear inner, except 9,000lb GVW.
Fits 1992 Dodge D350, rear inner, except 9,000lb GVW.
Fits 1990 Dodge D350, rear inner, except 9,000lb GVW.
Fits 1985-1986 Dodge D350, rear inner, except 9,000lb GVW.
Fits 1983 Dodge D350, rear inner, except 9,000lb GVW.
Fits 1992 Dodge W350, rear inner, with Spicer 71 axle.
Fits 1989 Dodge D250, rear inner, with Spicer 60 Heavy Duty axle.
Fits 1981-1987 Dodge D250, rear inner, with Spicer 60 Heavy Duty axle.
Fits 1987 Dodge D350, rear inner, with Spicer 60 Heavy Duty axle.
Fits 1984 Dodge D350, rear inner, with Spicer 60 Heavy Duty axle.
Fits 1981-1982 Dodge D350, rear inner, with Spicer 60 Heavy Duty axle.
Fits 1981-1987 Dodge W250, rear inner, with Spicer 60 Heavy Duty axle.
Fits 1981-1985 Dodge W350, rear inner, with Spicer 60 Heavy Duty axle.
Fits 1981-1983 Plymouth PB350, rear inner, with Spicer 60 Heavy Duty axle.
Fits 1975-1980 Dodge B300, rear inner, except 9,000lb GVW.
Fits 1975-1980 Dodge D200, rear inner, with Spicer 60 Heavy Duty axle.
Fits 1975-1980 Dodge D300, rear inner, except 9,000lb GVW.
Fits 1975-1980 Dodge W200, rear inner, with Spicer 60 Heavy Duty axle.
Fits 1980 Dodge W300, rear inner, except 9,000lb GVW.
Fits 1978 Dodge W300, rear inner, except 9,000lb GVW.
Fits 1975 Dodge W300, rear inner, except 9,000lb GVW.
Fits 1979 Dodge W300, rear inner, with Spicer 60 Heavy Duty axle.
Fits 1976-1977 Dodge W300, rear inner, with Spicer 60 Heavy Duty axle.

Common Repair Uses

Replacing a leaking rear inner differential pinion seal
Addressing gear oil seepage around the pinion area
Restoring sealing performance after differential service
Helping keep road debris and moisture out of the axle assembly
Supporting maintenance on Dodge Ram 2500 and Ram 3500 rear axle systems

Installation Notes and Tips

Confirm the axle type, housing bore, shaft diameter, and seal dimensions before installation. Clean the sealing surface thoroughly and inspect the pinion area for wear, scoring, or contamination that could affect seal life. This rear inner seal is specified for the listed Dodge, Plymouth, and axle configurations, including Spicer 60 Heavy Duty and Spicer 71 applications.

Quality Assurance

InMotion manufactures this seal with nitrile material and specified case and spring materials to support consistent sealing performance in driveline service. The WS455086 is built to the listed dimensional requirements for accurate replacement on confirmed applications.

Brand	InMotion
Part Number	WS455086
Material	Nitrile
External Markings	3042446sa-h
Inside Diameter	2.94
Inside Diameter	74.8
Spring Material	Jis g3141
Width	0.46800000000000003
Width	11.9
Outside Diameter	108.1
Outside Diameter	4.26
Shaft Diameter	3
Shaft Diameter	76.2
Weight	117.81
Housing Bore	107.9
Housing Bore	4.2489999999999997
Seal Case Material	Jis g3521

This part fits 116 vehicles. Search below:

Year	Make	Model	Position	Notes
2002	Dodge	Ram 3500	Rear Inner
2001	Dodge	Ram 2500	Rear Inner	with 13in x 3.5in Brakes
2001	Dodge	Ram 3500	Rear Inner
2000	Dodge	Ram 2500	Rear Inner	with 13in x 3.5in Brakes
2000	Dodge	Ram 3500	Rear Inner
1999	Dodge	Ram 2500	Rear Inner	with 13in x 3.5in Brakes
1999	Dodge	Ram 3500	Rear Inner
1998	Dodge	Ram 2500	Rear Inner	with 13in x 3.5in Brakes
1998	Dodge	Ram 3500	Rear Inner
1997	Dodge	Ram 2500	Rear Inner	with 13in x 3.5in Brakes
1997	Dodge	Ram 3500	Rear Inner
1996	Dodge	Ram 2500	Rear Inner	with 13in x 3.5in Brakes
1996	Dodge	Ram 3500	Rear Inner
1995	Dodge	Ram 2500	Rear Inner	with 13in x 3.5in Brakes
1995	Dodge	Ram 3500	Rear Inner
1994	Dodge	B350	Rear Inner	Except 9,000lb GVW
1994	Dodge	Ram 2500	Rear Inner	with 13in x 3.5in Brakes
1994	Dodge	Ram 3500	Rear Inner
1993	Dodge	B350	Rear Inner	Except 9,000lb GVW
1993	Dodge	D250	Rear Inner	with Spicer 71 Axle
1993	Dodge	D350	Rear Inner	with Spicer 71 Axle
1993	Dodge	W250	Rear Inner	with Spicer 71 Axle
1993	Dodge	W350	Rear Inner	Except 9,000lb GVW
1992	Dodge	B350	Rear Inner	Except 9,000lb GVW
1992	Dodge	D250	Rear Inner	with Spicer 71 Axle
1992	Dodge	D350	Rear Inner	Except 9,000lb GVW
1992	Dodge	W250	Rear Inner	with Spicer 71 Axle
1992	Dodge	W350	Rear Inner	with Spicer 71 Axle
1991	Dodge	B350	Rear Inner	Except 9,000lb GVW
1991	Dodge	D250	Rear Inner	with Spicer 71 Axle
1991	Dodge	D350	Rear Inner	with Spicer 71 Axle
1991	Dodge	W250	Rear Inner	with Spicer 71 Axle
1991	Dodge	W350	Rear Inner	Except 9,000lb GVW
1990	Dodge	B350	Rear Inner	Except 9,000lb GVW
1990	Dodge	D250	Rear Inner	with Spicer 71 Axle
1990	Dodge	D350	Rear Inner	Except 9,000lb GVW
1990	Dodge	W250	Rear Inner	with Spicer 71 Axle
1990	Dodge	W350	Rear Inner	Except 9,000lb GVW
1989	Dodge	B350	Rear Inner	Except 9,000lb GVW
1989	Dodge	D250	Rear Inner	with Spicer 60 Heavy Duty Axle
1989	Dodge	D350	Rear Inner	with Spicer 71 Axle
1989	Dodge	W250	Rear Inner	with Spicer 71 Axle
1989	Dodge	W350	Rear Inner	Except 9,000lb GVW
1988	Dodge	B350	Rear Inner	Except 9,000lb GVW
1988	Dodge	D250	Rear Inner	with Spicer 71 Axle
1988	Dodge	D350	Rear Inner	with Spicer 71 Axle
1988	Dodge	W250	Rear Inner	with Spicer 71 Axle
1988	Dodge	W350	Rear Inner	Except 9,000lb GVW
1987	Dodge	B350	Rear Inner	Except 9,000lb GVW
1987	Dodge	D250	Rear Inner	with Spicer 60 Heavy Duty Axle
1987	Dodge	D350	Rear Inner	with Spicer 60 Heavy Duty Axle
1987	Dodge	W250	Rear Inner	with Spicer 60 Heavy Duty Axle
1987	Dodge	W350	Rear Inner	Except 9,000lb GVW
1986	Dodge	B350	Rear Inner	Except 9,000lb GVW
1986	Dodge	D250	Rear Inner	with Spicer 60 Heavy Duty Axle
1986	Dodge	D350	Rear Inner	Except 9,000lb GVW
1986	Dodge	W250	Rear Inner	with Spicer 60 Heavy Duty Axle
1986	Dodge	W350	Rear Inner	Except 9,000lb GVW
1985	Dodge	B350	Rear Inner	Except 9,000lb GVW
1985	Dodge	D250	Rear Inner	with Spicer 60 Heavy Duty Axle
1985	Dodge	D350	Rear Inner	Except 9,000lb GVW
1985	Dodge	W250	Rear Inner	with Spicer 60 Heavy Duty Axle
1985	Dodge	W350	Rear Inner	with Spicer 60 Heavy Duty Axle
1984	Dodge	B350	Rear Inner	Except 9,000lb GVW
1984	Dodge	D250	Rear Inner	with Spicer 60 Heavy Duty Axle
1984	Dodge	D350	Rear Inner	with Spicer 60 Heavy Duty Axle
1984	Dodge	W250	Rear Inner	with Spicer 60 Heavy Duty Axle
1984	Dodge	W350	Rear Inner	with Spicer 60 Heavy Duty Axle
1983	Dodge	B350	Rear Inner	Except 9,000lb GVW
1983	Dodge	D250	Rear Inner	with Spicer 60 Heavy Duty Axle
1983	Dodge	D350	Rear Inner	Except 9,000lb GVW
1983	Dodge	W250	Rear Inner	with Spicer 60 Heavy Duty Axle
1983	Dodge	W350	Rear Inner	with Spicer 60 Heavy Duty Axle
1983	Plymouth	PB350	Rear Inner	with Spicer 60 Heavy Duty Axle
1982	Dodge	B350	Rear Inner	Except 9,000lb GVW
1982	Dodge	D250	Rear Inner	with Spicer 60 Heavy Duty Axle
1982	Dodge	D350	Rear Inner	with Spicer 60 Heavy Duty Axle
1982	Dodge	W250	Rear Inner	with Spicer 60 Heavy Duty Axle
1982	Dodge	W350	Rear Inner	with Spicer 60 Heavy Duty Axle
1982	Plymouth	PB350	Rear Inner	with Spicer 60 Heavy Duty Axle
1981	Dodge	B350	Rear Inner	Except 9,000lb GVW
1981	Dodge	D250	Rear Inner	with Spicer 60 Heavy Duty Axle
1981	Dodge	D350	Rear Inner	with Spicer 60 Heavy Duty Axle
1981	Dodge	W250	Rear Inner	with Spicer 60 Heavy Duty Axle
1981	Dodge	W350	Rear Inner	with Spicer 60 Heavy Duty Axle
1981	Plymouth	PB350	Rear Inner	with Spicer 60 Heavy Duty Axle
1980	Dodge	B300	Rear Inner	Except 9,000lb GVW
1980	Dodge	D200	Rear Inner	with Spicer 60 Heavy Duty Axle
1980	Dodge	D300	Rear Inner	Except 9,000lb GVW
1980	Dodge	W200	Rear Inner	with Spicer 60 Heavy Duty Axle
1980	Dodge	W300	Rear Inner	Except 9,000lb GVW
1979	Dodge	B300	Rear Inner	Except 9,000lb GVW
1979	Dodge	D200	Rear Inner	with Spicer 60 Heavy Duty Axle
1979	Dodge	D300	Rear Inner	Except 9,000lb GVW
1979	Dodge	W200	Rear Inner	with Spicer 60 Heavy Duty Axle
1979	Dodge	W300	Rear Inner	with Spicer 60 Heavy Duty Axle
1978	Dodge	B300	Rear Inner	Except 9,000lb GVW
1978	Dodge	D200	Rear Inner	with Spicer 60 Heavy Duty Axle
1978	Dodge	D300	Rear Inner	Except 9,000lb GVW
1978	Dodge	W200	Rear Inner	with Spicer 60 Heavy Duty Axle
1978	Dodge	W300	Rear Inner	Except 9,000lb GVW
1977	Dodge	B300	Rear Inner	Except 9,000lb GVW
1977	Dodge	D200	Rear Inner	with Spicer 60 Heavy Duty Axle
1977	Dodge	D300	Rear Inner	Except 9,000lb GVW
1977	Dodge	W200	Rear Inner	with Spicer 60 Heavy Duty Axle
1977	Dodge	W300	Rear Inner	with Spicer 60 Heavy Duty Axle
1976	Dodge	B300	Rear Inner	Except 9,000lb GVW
1976	Dodge	D200	Rear Inner	with Spicer 60 Heavy Duty Axle
1976	Dodge	D300	Rear Inner	Except 9,000lb GVW
1976	Dodge	W200	Rear Inner	with Spicer 60 Heavy Duty Axle
1976	Dodge	W300	Rear Inner	with Spicer 60 Heavy Duty Axle
1975	Dodge	B300	Rear Inner	Except 9,000lb GVW
1975	Dodge	D200	Rear Inner	with Spicer 60 Heavy Duty Axle
1975	Dodge	D300	Rear Inner	Except 9,000lb GVW
1975	Dodge	W200	Rear Inner	with Spicer 60 Heavy Duty Axle
1975	Dodge	W300	Rear Inner	Except 9,000lb GVW

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.