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InMotion WS4989 Wheel Seal - Rear InnerOE Quality 60-Day Returns
InMotion WS4989 Wheel Seal - Rear Inner - view 1
InMotion WS4989 Wheel Seal - Rear Inner - view 2
Part #: WS4989

InMotion WS4989 Wheel Seal - Rear Inner

Rear Inner
⚙️ 62 vehicles fit this part
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🚗Fitment: Dodge and Mitsubishi, D50, Mighty Max, Montero, Montero Sport, Power Ram 50, Raider, and Ram 50
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Rear Inner Differential Pinion Seal for Mitsubishi and Dodge

The InMotion WS4989 is a nitrile wheel seal built to help maintain a secure barrier at the differential pinion area. It is sized for a precise fit and is listed for rear inner applications on select Mitsubishi and Dodge trucks and SUVs.

  • Nitrile seal material for durable sealing performance
  • Inside diameter: 1.457 in.
  • Outside diameter: 2.451 in.
  • Width: 0.551 in.
  • Shaft diameter: 1.457 in.
  • Housing bore: 2.441 in.

Fitment Details

  • Fits 1997-2004 Mitsubishi Montero Sport, rear inner.
  • Fits 1983-2000 Mitsubishi Montero, rear inner.
  • Fits 1983-1996 Mitsubishi Mighty Max, rear inner.
  • Fits 1983-1993 Dodge Ram 50, rear inner.
  • Fits 1987-1989 Dodge Raider, rear inner.
  • Fits 1983-1986 Dodge Power Ram 50, rear inner.
  • Fits 1979-1982 Dodge D50, rear inner.

Product Overview

InMotion WS4989 is engineered for rear inner differential sealing where contamination control matters. The nitrile construction helps form a tight seal around the shaft and housing bore, reducing the chance of gear oil leakage and helping keep moisture and debris away from sensitive internal components. This part is a direct-fit style seal for select Mitsubishi Montero, Mitsubishi Montero Sport, Mitsubishi Mighty Max, Dodge Ram 50, Dodge Raider, Dodge Power Ram 50, and Dodge D50 applications.

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

Common Issues This Seal Can Address

  • Gear oil seepage at the differential pinion area
  • Contamination from dirt, road debris, or moisture
  • Wear-related sealing loss at the rear inner position
  • Reduced protection for internal differential components
  • Service replacement for aging Mitsubishi and Dodge driveline seals

Installation Notes and Tips

Confirm the rear inner position and verify shaft diameter, housing bore, and seal dimensions before installation. Clean the sealing surface and inspect the pinion area for wear, scoring, or contamination that could affect seal life. Proper seating and alignment are important to maintain a reliable seal after service.

Quality Assurance

InMotion manufactures this seal with precision and high-quality materials to support consistent sealing performance in driveline service.

BrandInMotion
Part NumberWS4989
MaterialNitrile
Inside Diameter1.4570000000000001
Width0.55100000000000005
Outside Diameter2.4510000000000001
Shaft Diameter1.4570000000000001
Housing Bore2.4409999999999998

This part fits 62 vehicles. Search below:

YearMakeModelPositionNotes
2004MitsubishiMontero SportRear Inner
2003MitsubishiMontero SportRear Inner
2002MitsubishiMontero SportRear Inner
2001MitsubishiMontero SportRear Inner
2000MitsubishiMonteroRear Inner
2000MitsubishiMontero SportRear Inner
1999MitsubishiMonteroRear Inner
1999MitsubishiMontero SportRear Inner
1998MitsubishiMonteroRear Inner
1998MitsubishiMontero SportRear Inner
1997MitsubishiMonteroRear Inner
1997MitsubishiMontero SportRear Inner
1996MitsubishiMighty MaxRear Inner
1996MitsubishiMonteroRear Inner
1995MitsubishiMighty MaxRear Inner
1995MitsubishiMonteroRear Inner
1994MitsubishiMighty MaxRear Inner
1994MitsubishiMonteroRear Inner
1993DodgeRam 50Rear Inner
1993MitsubishiMighty MaxRear Inner
1993MitsubishiMonteroRear Inner
1992DodgeRam 50Rear Inner
1992MitsubishiMighty MaxRear Inner
1992MitsubishiMonteroRear Inner
1991DodgeRam 50Rear Inner
1991MitsubishiMighty MaxRear Inner
1991MitsubishiMonteroRear Inner
1990DodgeRam 50Rear Inner
1990MitsubishiMighty MaxRear Inner
1990MitsubishiMonteroRear Inner
1989DodgeRaiderRear Inner
1989DodgeRam 50Rear Inner
1989MitsubishiMighty MaxRear Inner
1989MitsubishiMonteroRear Inner
1988DodgeRaiderRear Inner
1988DodgeRam 50Rear Inner
1988MitsubishiMighty MaxRear Inner
1988MitsubishiMonteroRear Inner
1987DodgeRaiderRear Inner
1987DodgeRam 50Rear Inner
1987MitsubishiMighty MaxRear Inner
1987MitsubishiMonteroRear Inner
1986DodgePower Ram 50Rear Inner
1986DodgeRam 50Rear Inner
1986MitsubishiMighty MaxRear Inner
1986MitsubishiMonteroRear Inner
1985DodgePower Ram 50Rear Inner
1985DodgeRam 50Rear Inner
1985MitsubishiMighty MaxRear Inner
1985MitsubishiMonteroRear Inner
1984DodgePower Ram 50Rear Inner
1984DodgeRam 50Rear Inner
1984MitsubishiMighty MaxRear Inner
1984MitsubishiMonteroRear Inner
1983DodgePower Ram 50Rear Inner
1983DodgeRam 50Rear Inner
1983MitsubishiMighty MaxRear Inner
1983MitsubishiMonteroRear Inner
1982DodgeD50Rear Inner
1981DodgeD50Rear Inner
1980DodgeD50Rear Inner
1979DodgeD50Rear Inner

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