InMotion WS370047A Wheel Seal - Rear Inner

OE Quality 60-Day Returns

InMotion WS370047A Wheel Seal - Rear Inner

Brand	InMotion WS370047A
Position	Rear Inner
Material	Nitrile
Width	0.7
Outside Diameter	4.7610000000000001
Shaft Diameter	3.4369999999999998
Housing Bore	4.7549999999999999
Fits	Ford · 29 vehicles

Precision seal. Creates a secure barrier against contaminants and moisture.

Nitrile material. Helps resist leaks while maintaining a reliable seal.

Protects sensitive internal components and extends differential life.

$29.17Free shipping

In stock · usually ships same day before 1pm CST

Step 1 — Confirm fitment

Free return shipping if it doesn't fit when you check fitment here first.

Confirm position

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

Step 2 — Quantity

Free shipping to the continental U.S.

Free returns within 60 days if it doesn't fit when fitment is verified.

Not what you need? See all Wheel Seal options

Wheel Seal for Ford Rear Inner Applications

The InMotion WS370047A wheel seal is built for rear inner differential service where a tight seal matters. Made from nitrile and sized for precise housing and shaft dimensions, it helps keep contaminants out and fluid in on select Ford heavy-duty rear axle applications.

Nitrile construction for sealing performance in driveline service
Outside diameter: 4.761 in.
Shaft diameter: 3.437 in.
Housing bore: 4.755 in.
Width: 0.7 in.
Part number WS370047A for accurate ordering and replacement matching

Fitment Details

Fits 1985-1999 Ford F-250, rear inner, with 10.25in Ring Gear
Fits 1997 Ford F-250 HD, rear inner, with 10.25in Ring Gear
Fits 1986-1997 Ford F-350, rear inner, Oil Bath Seal Style
Fits 1985 Ford F-350, rear inner, with 10.25in Ring Gear

How It Works

This differential pinion seal is used to maintain a secure barrier at the rear inner axle area, helping protect sensitive internal components from debris and moisture. On Ford F-250 and Ford F-350 rear axle setups, the WS370047A supports leak control and helps preserve differential service life by maintaining a consistent seal at the pinion area.

Common Problems It Can Address

Gear oil seepage at the differential pinion area
Contamination from road debris and moisture
Seal wear from age and heat cycling
Reduced sealing performance in rear inner axle service
Maintenance needs on Ford F-250 and Ford F-350 rear axle assemblies

Installation Notes

Verify axle configuration before installation, including 10.25in ring gear or oil bath seal style where noted. Confirm housing bore, shaft diameter, and seal width against the original part before pressing the seal into place. Clean the sealing surface thoroughly and inspect the pinion area for wear or damage that could affect sealing performance.

Quality Assurance

InMotion manufactures this seal with precision-focused dimensions and nitrile material selection for driveline sealing service. The WS370047A is specified for confirmed Ford rear inner applications, including Ford F-250 and Ford F-350 fitments listed above.

This part fits 29 vehicles

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

Year	Make	Model	Position	Notes
1999	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1998	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1997	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1997	Ford	F-250 HD	Rear Inner	with 10.25in Ring Gear
1997	Ford	F-350	Rear Inner	Oil Bath Seal Style
1996	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1996	Ford	F-350	Rear Inner	Oil Bath Seal Style
1995	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1995	Ford	F-350	Rear Inner	Oil Bath Seal Style
1994	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1994	Ford	F-350	Rear Inner	Oil Bath Seal Style
1993	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1993	Ford	F-350	Rear Inner	Oil Bath Seal Style
1992	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1992	Ford	F-350	Rear Inner	Oil Bath Seal Style
1991	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1991	Ford	F-350	Rear Inner	Oil Bath Seal Style
1990	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1990	Ford	F-350	Rear Inner	Oil Bath Seal Style
1989	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1989	Ford	F-350	Rear Inner	Oil Bath Seal Style
1988	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1988	Ford	F-350	Rear Inner	Oil Bath Seal Style
1987	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1987	Ford	F-350	Rear Inner	Oil Bath Seal Style
1986	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1986	Ford	F-350	Rear Inner	Oil Bath Seal Style
1985	Ford	F-250	Rear Inner	with 10.25in Ring Gear
1985	Ford	F-350	Rear Inner	with 10.25in Ring Gear
No rows match your filter.

Will it fit your vehicle?