InMotion WS710355 Engine Crankshaft Seal - Front

Engine Crankshaft Seal for Front Applications

InMotion WS710355 is a precision-engineered engine crankshaft seal built from polyacrylate for a secure sealing surface. It is specified for front applications on select Mazda, Ford, Mercury, and Kia vehicles, including Mazda Miata, Mazda Protege, and Ford Escort fitments.

By maintaining a tight seal at the shaft and housing interface, this part helps keep contaminants out and helps control fluid leakage in the engine sealing system. The WS710355 is sized for accurate fitment, with a 1.457 in inside diameter, 1.996 in outside diameter, and 0.276 in thickness.

Key Features

• Polyacrylate construction for sealing durability
• Inside diameter: 1.457 in
• Outside diameter: 1.996 in
• Thickness and width: 0.276 in
• Shaft diameter: 1.457 in
• Housing bore: 1.988 in
• Front-position fitment for select compact and import vehicles
• Part number: WS710355

Detailed Description

InMotion WS710355 is an engine crankshaft seal intended for front installation on a wide range of 1991-2005 applications. It is compatible with Mazda Miata, Mazda Protege, Mazda 323, Mazda MX-3, Ford Escort, Ford Aspire, Ford Festiva, Mercury Tracer, Mercury Capri, and Kia Sephia models listed in the fitment data. The seal’s dimensions are matched to the shaft and housing bore to support a proper sealing interface in the engine sealing system. Part number WS710355 is also a useful reference when verifying the correct seal for Mazda Miata and Ford Escort front applications.

What This Part Helps Address

• Oil leakage at the crankshaft sealing area
• Contamination entering the engine sealing interface
• Wear-related sealing loss from an aged front seal
• Improper sealing caused by incorrect seal dimensions
• Service issues on front crankshaft seal replacement jobs

Installation Notes and Tips

Confirm the vehicle year, make, model, and front position before ordering. Match the inside diameter, outside diameter, and housing bore to the original seal specification during installation. Inspect the shaft surface for scoring or wear, and clean the sealing area thoroughly before fitting the new seal. For fitment verification, reference WS710355 against the vehicle application and the front crankshaft seal location.

Quality Assurance

InMotion manufactures this seal with precision and high-quality materials to support reliable sealing performance in the specified applications. The design focuses on contaminant exclusion and leak control for front engine sealing service.

• Fits 1999-2005 Mazda Miata, front
• Fits 1992-1997 Mazda Miata, front
• Fits 1992-2003 Mazda Protege, front
• Fits 1994-1997 Ford Aspire, front
• Fits 1994-1997 Kia Sephia, front
• Fits 1992-1996 Ford Escort, front
• Fits 1992-1996 Mazda MX-3, front
• Fits 1992-1996 Mercury Tracer, front
• Fits 1992-1995 Mazda 323, front
• Fits 1992-1994 Mercury Capri, front
• Fits 1993 Ford Festiva, front
• Fits 1991 Ford Escort, front, FROM 02/01/1991
• Fits 1991 Mazda 323, front, From Serial Number -221257
• Fits 1991 Mazda Miata, front, From Serial Number -209447
• Fits 1991 Mazda Protege, front, From Serial Number -260402
• Fits 1991 Mercury Capri, front, From 12/01/1990
• Fits 1991 Mercury Tracer, front, FROM 02/01/1991