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InMotion WS4739 Wheel Seal - Front InnerOE Quality 60-Day Returns
InMotion WS4739 Wheel Seal - Front Inner - view 1
InMotion WS4739 Wheel Seal - Front Inner - view 2
Part #: WS4739

InMotion WS4739 Wheel Seal - Front Inner

Front Inner
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Front Inner Differential Pinion Seal

The InMotion WS4739 is a front inner seal built for differential pinion applications that need a tight barrier against dirt, road moisture, and gear oil loss. Made from nitrile with an SAE 1008 spring, it is sized for precise housing and shaft fitment in a wide range of light truck and van applications.

Key Features

  • Nitrile sealing material for dependable fluid control
  • SAE 1008 spring material for consistent sealing pressure
  • Inside diameter: 1.98 in. / 50.4 mm
  • Outside diameter: 2.57 in. / 65.2 mm
  • Width: 0.25 in. / 6.4 mm
  • Shaft diameter: 2.00 in. / 50.8 mm
  • Housing bore: 2.561 in. / 65.1 mm
  • External markings: 46497
  • Part number: WS4739

Detailed Description

InMotion WS4739 is engineered as a front inner differential pinion seal for vehicles that rely on accurate sealing at the pinion area. Its nitrile construction helps maintain a secure seal around the shaft, while the spring-loaded design supports steady contact under operating conditions. This seal is a direct-fit service part for applications such as Chevrolet S10, GMC Sonoma, Chevrolet Astro, Chevrolet Blazer, and Dodge Ram 1500, along with many other front inner applications listed below. If you are replacing a leaking pinion seal or servicing a differential during maintenance, WS4739 provides the dimensions needed for a proper fit. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Vehicle Fitment

  • Fits 1991-2003 Chevrolet S10, Front Inner
  • Fits 1991-2003 GMC Sonoma, Front Inner
  • Fits 1991-2002 Chevrolet Astro, Front Inner
  • Fits 1995-2002 Chevrolet Blazer, Front Inner
  • Fits 1996-2002 Chevrolet Express 1500, Front Inner
  • Fits 1996-2002 Chevrolet Express 2500, Front Inner, with Light Duty Brakes
  • Fits 1991-2002 GMC Safari, Front Inner
  • Fits 1996-2002 GMC Savana 1500, Front Inner
  • Fits 1996-2002 GMC Savana 2500, Front Inner, with Light Duty Brakes
  • Fits 1988-2000 Chevrolet C2500, Front Inner, with Light Duty Brakes
  • Fits 1995-2000 Chevrolet Tahoe, Front Inner
  • Fits 1988-2000 GMC C2500, Front Inner, with Light Duty Brakes
  • Fits 1996-2000 Isuzu Hombre, Front Inner
  • Fits 1995-1999 Chevrolet C1500, Front Inner, with Light Duty Brakes
  • Fits 1992-1999 Chevrolet C1500 Suburban, Front Inner, with Light Duty Brakes
  • Fits 1992-1999 Chevrolet C2500 Suburban, Front Inner, with Light Duty Brakes
  • Fits 1994-1999 Dodge Ram 1500, Front Inner
  • Fits 1995-1999 GMC C1500, Front Inner, with Light Duty Brakes
  • Fits 1995-1999 GMC C1500 Suburban, Front Inner, with Light Duty Brakes
  • Fits 1992-1999 GMC C2500 Suburban, Front Inner, with Light Duty Brakes
  • Fits 1992-1999 GMC Yukon, Front Inner
  • Fits 1992-1997 GMC Jimmy, Front Inner
  • Fits 1991-1996 Buick Roadmaster, Front Inner
  • Fits 1992-1996 Cadillac Commercial Chassis, Front Inner
  • Fits 1993-1996 Cadillac Fleetwood, Front Inner
  • Fits 1991-1996 Chevrolet Caprice, Front Inner
  • Fits 1994-1996 Chevrolet Impala, Front Inner
  • Fits 1991-1995 Chevrolet G10, Front Inner
  • Fits 1991-1995 Chevrolet G20, Front Inner, with Light Duty Brakes
  • Fits 1991-1995 GMC G1500, Front Inner
  • Fits 1991-1995 GMC G2500, Front Inner, with Light Duty Brakes
  • Fits 1988-1994 Chevrolet C1500, Front Inner
  • Fits 1991-1994 Chevrolet Commercial Chassis, Front Inner
  • Fits 1991-1994 Chevrolet S10 Blazer, Front Inner
  • Fits 1988-1994 GMC C1500, Front Inner
  • Fits 1992-1994 GMC C1500 Suburban, Front Inner
  • Fits 1990-1992 Cadillac Brougham, Front Inner
  • Fits 1991-1992 Oldsmobile Custom Cruiser, Front Inner
  • Fits 1991 Chevrolet R1500 Suburban, Front Inner
  • Fits 1991 GMC R1500 Suburban, Front Inner
  • Fits 1991 GMC S15 Jimmy, Front Inner

Common Repair Uses

  • Replacing a leaking front differential pinion seal
  • Restoring sealing performance after contamination from dirt or moisture
  • Addressing gear oil seepage at the pinion area
  • Servicing worn or hardened seal material during differential maintenance
  • Supporting proper sealing on high-mileage Chevrolet, GMC, and Dodge front axle applications

Installation Notes and Tips

Confirm shaft diameter, housing bore, and seal width before installation. Clean the seal bore and pinion surface thoroughly, and inspect the mating surface for wear or scoring that could affect sealing. Use proper installation tools to seat the seal evenly and avoid distortion. Verify that the application is Front Inner and that any Light Duty Brakes note matches the vehicle configuration.

Quality Assurance

InMotion WS4739 is built from nitrile with a spring-steel component specified as SAE 1008 for controlled sealing contact. The listed dimensions and external marking 46497 support accurate parts matching for service work on compatible front inner differential applications.

BrandInMotion
Part NumberWS4739
MaterialNitrile
External Markings46497
Inside Diameter1.98
Inside Diameter50.4
Spring MaterialSae 1008
Width0.25
Width6.4
Outside Diameter2.57
Outside Diameter65.2
Shaft Diameter2
Shaft Diameter50.8
Weight14.1
Housing Bore2.5609999999999999
Housing Bore65.099999999999994

This part fits 259 vehicles. Search below:

YearMakeModelSubmodelDrive TypeFuel TypePositionNotes
2003ChevroletS10RWDFront Inner
2003GMCSonomaRWDFront Inner
2002ChevroletAstroRWDFront Inner
2002ChevroletBlazerRWDFront Inner
2002ChevroletExpress 1500Front Inner
2002ChevroletExpress 2500Front Innerwith Light Duty Brakes
2002ChevroletS10RWDFront Inner
2002GMCSafariRWDFront Inner
2002GMCSavana 1500Front Inner
2002GMCSavana 2500Front Innerwith Light Duty Brakes
2002GMCSonomaRWDFront Inner
2001ChevroletAstroRWDFront Inner
2001ChevroletBlazerRWDFront Inner
2001ChevroletExpress 1500Front Inner
2001ChevroletExpress 2500Front Innerwith Light Duty Brakes
2001ChevroletS10RWDFront Inner
2001GMCSafariRWDFront Inner
2001GMCSavana 1500Front Inner
2001GMCSavana 2500Front Innerwith Light Duty Brakes
2001GMCSonomaRWDFront Inner
2000ChevroletAstroRWDFront Inner
2000ChevroletBlazerRWDFront Inner
2000ChevroletC2500Front Innerwith Light Duty Brakes
2000ChevroletExpress 1500Front Inner
2000ChevroletExpress 2500Front Innerwith Light Duty Brakes
2000ChevroletS10RWDFront Inner
2000ChevroletTahoeLimitedFront Inner
2000GMCC2500Front Innerwith Light Duty Brakes
2000GMCSafariRWDFront Inner
2000GMCSavana 1500Front Inner
2000GMCSavana 2500Front Innerwith Light Duty Brakes
2000GMCSonomaRWDFront Inner
2000IsuzuHombreRWDFront Inner
1999ChevroletAstroRWDFront Inner
1999ChevroletBlazerRWDFront Inner
1999ChevroletC1500Front Innerwith Light Duty Brakes
1999ChevroletC1500 SuburbanFront Innerwith Light Duty Brakes
1999ChevroletC2500Front Innerwith Light Duty Brakes
1999ChevroletC2500 SuburbanFront Innerwith Light Duty Brakes
1999ChevroletExpress 1500Front Inner
1999ChevroletExpress 2500Front Innerwith Light Duty Brakes
1999ChevroletS10RWDFront Inner
1999ChevroletTahoeRWDGASFront Inner
1999DodgeRam 1500RWDFront Inner
1999GMCC1500Front Innerwith Light Duty Brakes
1999GMCC1500 SuburbanFront Innerwith Light Duty Brakes
1999GMCC2500Front Innerwith Light Duty Brakes
1999GMCC2500 SuburbanFront Innerwith Light Duty Brakes
1999GMCSafariRWDFront Inner
1999GMCSavana 1500Front Inner
1999GMCSavana 2500Front Innerwith Light Duty Brakes
1999GMCSonomaRWDFront Inner
1999GMCYukonRWDFront Inner
1999IsuzuHombreRWDFront Inner
1998ChevroletAstroRWDFront Inner
1998ChevroletBlazerRWDFront Inner
1998ChevroletC1500Front Innerwith Light Duty Brakes
1998ChevroletC1500 SuburbanFront Innerwith Light Duty Brakes
1998ChevroletC2500Front Innerwith Light Duty Brakes
1998ChevroletC2500 SuburbanFront Innerwith Light Duty Brakes
1998ChevroletExpress 1500Front Inner
1998ChevroletExpress 2500Front Innerwith Light Duty Brakes
1998ChevroletS10RWDFront Inner
1998ChevroletTahoeRWDGASFront Inner
1998DodgeRam 1500RWDFront Inner
1998GMCC1500Front Innerwith Light Duty Brakes
1998GMCC1500 SuburbanFront Innerwith Light Duty Brakes
1998GMCC2500Front Innerwith Light Duty Brakes
1998GMCC2500 SuburbanFront Innerwith Light Duty Brakes
1998GMCSafariRWDFront Inner
1998GMCSavana 1500Front Inner
1998GMCSavana 2500Front Innerwith Light Duty Brakes
1998GMCSonomaRWDFront Inner
1998GMCYukonRWDFront Inner
1998IsuzuHombreRWDFront Inner
1997ChevroletAstroRWDFront Inner
1997ChevroletBlazerRWDFront Inner
1997ChevroletC1500Front Innerwith Light Duty Brakes
1997ChevroletC1500 SuburbanFront Innerwith Light Duty Brakes
1997ChevroletC2500Front Innerwith Light Duty Brakes
1997ChevroletC2500 SuburbanFront Innerwith Light Duty Brakes
1997ChevroletExpress 1500Front Inner
1997ChevroletExpress 2500Front Innerwith Light Duty Brakes
1997ChevroletS10RWDFront Inner
1997ChevroletTahoeRWDGASFront Inner
1997DodgeRam 1500RWDFront Inner
1997GMCC1500Front Innerwith Light Duty Brakes
1997GMCC1500 SuburbanFront Innerwith Light Duty Brakes
1997GMCC2500Front Innerwith Light Duty Brakes
1997GMCC2500 SuburbanFront Innerwith Light Duty Brakes
1997GMCJimmyRWDFront Inner
1997GMCSafariRWDFront Inner
1997GMCSavana 1500Front Inner
1997GMCSavana 2500Front Innerwith Light Duty Brakes
1997GMCSonomaRWDFront Inner
1997GMCYukonRWDFront Inner
1997IsuzuHombreFront Inner
1996BuickRoadmasterFront Inner
1996CadillacCommercial ChassisFront Inner
1996CadillacFleetwoodFront Inner
1996ChevroletAstroRWDFront Inner
1996ChevroletBlazerRWDFront Inner
1996ChevroletC1500Front Innerwith Light Duty Brakes
1996ChevroletC1500 SuburbanFront Innerwith Light Duty Brakes
1996ChevroletC2500Front Innerwith Light Duty Brakes
1996ChevroletC2500 SuburbanFront Innerwith Light Duty Brakes
1996ChevroletCapriceFront Inner
1996ChevroletExpress 1500Front Inner
1996ChevroletExpress 2500Front Innerwith Light Duty Brakes
1996ChevroletImpalaFront Inner
1996ChevroletS10RWDFront Inner
1996ChevroletTahoeRWDGASFront Inner
1996DodgeRam 1500RWDFront Inner
1996GMCC1500Front Innerwith Light Duty Brakes
1996GMCC1500 SuburbanFront Innerwith Light Duty Brakes
1996GMCC2500Front Innerwith Light Duty Brakes
1996GMCC2500 SuburbanFront Innerwith Light Duty Brakes
1996GMCJimmyRWDFront Inner
1996GMCSafariRWDFront Inner
1996GMCSavana 1500Front Inner
1996GMCSavana 2500Front Innerwith Light Duty Brakes
1996GMCSonomaRWDFront Inner
1996GMCYukonRWDFront Inner
1996IsuzuHombreFront Inner
1995BuickRoadmasterFront Inner
1995CadillacCommercial ChassisFront Inner
1995CadillacFleetwoodFront Inner
1995ChevroletAstroRWDFront Inner
1995ChevroletBlazerRWDFront Inner
1995ChevroletC1500Front Innerwith Light Duty Brakes
1995ChevroletC1500 SuburbanFront Innerwith Light Duty Brakes
1995ChevroletC2500Front Innerwith Light Duty Brakes
1995ChevroletC2500 SuburbanFront Innerwith Light Duty Brakes
1995ChevroletCapriceFront Inner
1995ChevroletG10Front Inner
1995ChevroletG20Front Innerwith Light Duty Brakes
1995ChevroletImpalaFront Inner
1995ChevroletS10RWDFront Inner
1995ChevroletTahoeRWDGASFront Inner
1995DodgeRam 1500RWDFront Inner
1995GMCC1500Front Innerwith Light Duty Brakes
1995GMCC1500 SuburbanFront Innerwith Light Duty Brakes
1995GMCC2500Front Innerwith Light Duty Brakes
1995GMCC2500 SuburbanFront Innerwith Light Duty Brakes
1995GMCG1500Front Inner
1995GMCG2500Front Innerwith Light Duty Brakes
1995GMCJimmyRWDFront Inner
1995GMCSafariRWDFront Inner
1995GMCSonomaRWDFront Inner
1995GMCYukonRWDFront Inner
1994BuickRoadmasterFront Inner
1994CadillacCommercial ChassisFront Inner
1994CadillacFleetwoodFront Inner
1994ChevroletAstroRWDFront Inner
1994ChevroletC1500Front Inner
1994ChevroletC1500 SuburbanFront Innerwith Light Duty Brakes
1994ChevroletC2500Front Innerwith Light Duty Brakes
1994ChevroletC2500 SuburbanFront Innerwith Light Duty Brakes
1994ChevroletCapriceFront Inner
1994ChevroletCommercial ChassisFront Inner
1994ChevroletG10Front Inner
1994ChevroletG20Front Innerwith Light Duty Brakes
1994ChevroletImpalaFront Inner
1994ChevroletS10RWDFront Inner
1994ChevroletS10 BlazerRWDFront Inner
1994DodgeRam 1500RWDFront Inner
1994GMCC1500Front Inner
1994GMCC1500 SuburbanFront Inner
1994GMCC2500Front Innerwith Light Duty Brakes
1994GMCC2500 SuburbanFront Innerwith Light Duty Brakes
1994GMCG1500Front Inner
1994GMCG2500Front Innerwith Light Duty Brakes
1994GMCJimmyRWDFront Inner
1994GMCSafariRWDFront Inner
1994GMCSonomaRWDFront Inner
1994GMCYukonRWDFront Inner
1993BuickRoadmasterFront Inner
1993CadillacCommercial ChassisRWDFront Inner
1993CadillacFleetwoodFront Inner
1993ChevroletAstroRWDFront Inner
1993ChevroletC1500Front Inner
1993ChevroletC1500 SuburbanFront Innerwith Light Duty Brakes
1993ChevroletC2500Front Innerwith Light Duty Brakes
1993ChevroletC2500 SuburbanFront Innerwith Light Duty Brakes
1993ChevroletCapriceFront Inner
1993ChevroletCommercial ChassisFront Inner
1993ChevroletG10Front Inner
1993ChevroletG20Front Innerwith Light Duty Brakes
1993ChevroletS10RWDFront Inner
1993ChevroletS10 BlazerRWDFront Inner
1993GMCC1500Front Inner
1993GMCC1500 SuburbanFront Inner
1993GMCC2500Front Innerwith Light Duty Brakes
1993GMCC2500 SuburbanFront Innerwith Light Duty Brakes
1993GMCG1500Front Inner
1993GMCG2500Front Innerwith Light Duty Brakes
1993GMCJimmyRWDFront Inner
1993GMCSafariRWDFront Inner
1993GMCSonomaRWDFront Inner
1993GMCYukonRWDFront Inner
1992BuickRoadmasterFront Inner
1992CadillacBroughamFront Inner
1992CadillacCommercial ChassisRWDFront Inner
1992ChevroletAstroRWDFront Inner
1992ChevroletC1500Front Inner
1992ChevroletC1500 SuburbanFront Innerwith Light Duty Brakes
1992ChevroletC2500Front Innerwith Light Duty Brakes
1992ChevroletC2500 SuburbanFront Innerwith Light Duty Brakes
1992ChevroletCapriceFront Inner
1992ChevroletCommercial ChassisFront Inner
1992ChevroletG10Front Inner
1992ChevroletG20Front Innerwith Light Duty Brakes
1992ChevroletS10RWDFront Inner
1992ChevroletS10 BlazerRWDFront Inner
1992GMCC1500Front Inner
1992GMCC1500 SuburbanFront Inner
1992GMCC2500Front Innerwith Light Duty Brakes
1992GMCC2500 SuburbanFront Innerwith Light Duty Brakes
1992GMCG1500Front Inner
1992GMCG2500Front Innerwith Light Duty Brakes
1992GMCJimmyRWDFront Inner
1992GMCSafariRWDFront Inner
1992GMCSonomaRWDFront Inner
1992GMCYukonRWDFront Inner
1992OldsmobileCustom CruiserFront Inner
1991BuickRoadmasterFront Inner
1991CadillacBroughamFront Inner
1991ChevroletAstroRWDFront Inner
1991ChevroletC1500Front Inner
1991ChevroletC2500Front Innerwith Light Duty Brakes
1991ChevroletCapriceFront Inner
1991ChevroletCommercial ChassisFront Inner
1991ChevroletG10Front Inner
1991ChevroletG20Front Innerwith Light Duty Brakes
1991ChevroletR1500 SuburbanFront Inner
1991ChevroletS10RWDFront Inner
1991ChevroletS10 BlazerRWDFront Inner
1991GMCC1500Front Inner
1991GMCC2500Front Innerwith Light Duty Brakes
1991GMCG1500Front Inner
1991GMCG2500Front Innerwith Light Duty Brakes
1991GMCR1500 SuburbanFront Inner
1991GMCS15 JimmyRWDFront Inner
1991GMCSafariRWDFront Inner
1991GMCSonomaRWDFront Inner
1991OldsmobileCustom CruiserFront Inner
1990CadillacBroughamFront Inner
1990ChevroletC1500Front Inner
1990ChevroletC2500Front Innerwith Light Duty Brakes
1990GMCC1500Front Inner
1990GMCC2500Front Innerwith Light Duty Brakes
1989ChevroletC1500Front Inner
1989ChevroletC2500Front Innerwith Light Duty Brakes
1989GMCC1500Front Inner
1989GMCC2500Front Innerwith Light Duty Brakes
1988ChevroletC1500Front Inner
1988ChevroletC2500Front Innerwith Light Duty Brakes
1988GMCC1500Front Inner
1988GMCC2500Front Innerwith Light Duty Brakes

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