InMotion WS3087 Wheel Seal - Front Inner

Front Inner Differential Pinion Seal

InMotion WS3087 is a front inner wheel seal built for select Dodge, Plymouth, and Chrysler applications that use the specified axle configurations. It uses nitrile sealing material and a spring made from SAE 1008 steel to help maintain a tight barrier at the differential pinion area.

With precise dimensions and a durable sealing profile, this seal is made to keep contaminants out and help reduce fluid loss in demanding driving conditions. It is a direct-fit service part for vehicles such as the Dodge D150, Dodge Ramcharger, and Plymouth PB250 when the listed fitment matches the axle setup.

Key Features

• Part number WS3087
• Nitrile seal material for dependable fluid resistance
• SAE 1008 spring material for consistent sealing pressure
• Inside diameter: 2.03 in. / 51.6 mm
• Outside diameter: 2.73 in. / 69.4 mm
• Width: 0.59 in. / 15 mm
• Shaft diameter: 2.048 in. / 52 mm
• Housing bore: 2.728 in. / 69.3 mm
• External marking: 31008

Detailed Description

InMotion WS3087 is engineered for the front inner position on a wide range of classic Dodge, Chrysler, and Plymouth vehicles. The seal’s nitrile construction helps resist oil exposure while the spring-loaded design maintains contact at the sealing lip, supporting a secure fit around the differential pinion area. For buyers searching for a front inner wheel seal for a 1978-1983 Dodge D150, 1981-1983 Plymouth PB250, or 1999-2003 Dodge Ram 1500 Van, this part number provides a focused replacement option when the axle specification matches.

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

What It Helps Address

• Gear oil seepage at the differential pinion seal area
• Contamination from dirt, road debris, and moisture
• Loss of sealing pressure from a worn or hardened seal
• Service issues on front inner axle sealing points
• Noise or wear concerns related to low lubricant retention

Installation Notes and Fitment

Compatible with the listed front inner applications only. Confirm axle rating and position before installation, especially on models with notes such as 3,300lb, 3,500lb, or 3,600lb axle specifications. Fits 1999-2003 Dodge Ram 1500 Van, front inner; Fits 1999-2003 Dodge Ram 2500 Van, front inner, with 3,500lb axle(s); Fits 1987-1996 Dodge Dakota, front inner; Fits 1986-1994 Dodge B150, front inner; Fits 1986-1993 Dodge D150, front inner; Fits 1981-1983 Plymouth PB250, front inner, with 3,300lb axle(s); Fits 1974-1978 Chrysler New Yorker, front inner.

Use the listed dimensions to verify housing bore, shaft diameter, and seal width before service. Clean the sealing surface thoroughly and inspect the mating components for wear or scoring prior to installation.

Quality Assurance

InMotion manufactures this seal with precision-focused dimensions and durable sealing materials to support reliable service in driveline applications. The nitrile seal body and SAE 1008 spring construction are selected to maintain sealing integrity in routine street use and heavier-duty vehicle applications.