InMotion WS1973 Engine Crankshaft Seal - Front, Front Inner or Rear Inner

Engine Seal for Nissan and INFINITI Applications

InMotion WS1973 is a nitrile engine seal built for a precise fit and dependable sealing performance. It helps maintain a secure barrier against contaminants and fluid loss in supported Nissan, INFINITI, Volkswagen, Mercury, and Mazda applications, including select Armada, TITAN, QX56, and G37 models.

With its 1.89 inside diameter, 2.571 outside diameter, and 0.315-inch width, WS1973 is sized for accurate housing and shaft engagement. The nitrile sealing material is selected for consistent sealing performance in demanding drivetrain environments.

Key Features

• Nitrile sealing material for reliable contact and resistance to contamination
• Inside diameter: 1.89 in; shaft diameter: 1.89 in
• Outside diameter: 2.571 in; housing bore: 2.559 in
• Width and thickness: 0.315 in
• Engineered for precise sealing in supported drivetrain applications
• Part number WS1973 for easy identification

Detailed Description

InMotion WS1973 is a precision-engineered seal made to help protect sensitive internal components by keeping debris and moisture out while maintaining a tight seal. The nitrile construction supports dependable sealing performance where accurate dimensions matter, making it a practical choice for service work on vehicles such as the Nissan Armada, Nissan TITAN, INFINITI QX56, and INFINITI G37. The part number WS1973 is useful when matching the correct seal to the application and verifying service replacement needs.

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

Common Problems This Seal Can Address

• Fluid seepage at the seal interface
• Contamination entering protected internal components
• Wear caused by degraded or hardened sealing material
• Loss of sealing integrity from incorrect dimensions
• Service issues on vehicles requiring a precise replacement seal

Installation Notes and Tips

• Verify shaft diameter, housing bore, and width before installation.
• Inspect the sealing surface for scoring, corrosion, or debris.
• Clean the bore and shaft thoroughly so the nitrile lip seats evenly.
• Confirm the exact vehicle and transmission or drivetrain configuration before ordering, especially on Nissan and INFINITI models with Jatco JR507E, JR509E, or JR711E applications.
• Use proper installation practices to avoid damaging the sealing edge during assembly.

Quality Assurance

InMotion focuses on precision fit and high-quality materials for dependable sealing performance. WS1973 is built to meet the dimensional requirements listed above and to support long-term service in the specified applications.

Compatible With 2017-2020 Nissan Armada, 2014-2019 INFINITI Q50, 2017-2019 INFINITI Q60, 2014-2015 INFINITI Q60, 2014-2019 INFINITI Q70, 2015-2019 INFINITI Q70L, 2014-2019 INFINITI QX80, 2017-2019 Nissan TITAN, 2016-2019 Nissan TITAN XD, 2014-2017 INFINITI QX50, 2014-2017 INFINITI QX70, 2005-2015 Nissan Armada with Jatco JR509E Transmission, 2005-2015 Nissan Frontier with Jatco JR507E Transmission, 2004-2015 Nissan TITAN with Jatco JR509E Transmission, 2005-2015 Nissan Xterra with Jatco JR507E Transmission, 2013 INFINITI EX37, 2013 INFINITI FX37, 2011-2013 INFINITI FX50, 2009-2013 INFINITI G37, 2011-2013 INFINITI M37, 2011-2013 INFINITI M56, 2011-2013 INFINITI QX56 with Jatco JR711E Transmission, 2011-2012 INFINITI EX35, 2011-2012 INFINITI FX35, 2011-2012 INFINITI G25, 2012 Nissan Pathfinder with Jatco JR507E Transmission, 2005-2008 Nissan Pathfinder with Jatco JR507E Transmission, 2009-2012 Suzuki Equator with Jatco JR507E Transmission, 2009-2011 Nissan Pathfinder with Jatco JR509E Transmission, 2008-2010 INFINITI EX35 with Jatco JR507E Transmission, 2006-2010 INFINITI M35 with Jatco JR507E Transmission, 2008-2010 INFINITI M45 with Jatco JR507E Transmission, 2004-2010 INFINITI QX56 with Jatco JR509E Transmission, 2003-2008 INFINITI FX35 with Jatco JR507E Transmission, 2003-2008 INFINITI FX45 with Jatco JR507E Transmission, 2004-2008 INFINITI G35 with Jatco JR507E Transmission, 2004 Nissan Pathfinder Armada with Jatco JR507E Transmission, 1983-1991 Volkswagen Vanagon, Front, 1988-1989 Mercury Tracer, Rear Inner, and 1987-1988 Mazda 323, Rear Inner.