InMotion WS320259 Engine Crankshaft Seal - Front

Brand InMotion WS320259
Position Front
Material Fluoro-elastomer
Inside Diameter 2.0049999999999999
Thickness 0.34
Width 0.34
Outside Diameter 2.8879999999999999
Shaft Diameter 2.0049999999999999
Housing Bore 2.8780000000000001
Fits Buick, Chevrolet, Oldsmobile, and Pontiac · 68 vehicles

Fluoro-elastomer build. Resists heat and fluid exposure in demanding sealing applications.

Precision dimensions. Sized for a secure fit at the shaft and housing interface.

Leak control. Helps maintain a tight barrier against contaminants and fluid loss.

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Engine Seal for Differential Applications

The InMotion WS320259 is a precision seal built to maintain a tight barrier against contaminants and fluid loss. It is a fitment-based replacement for front applications across a range of Chevrolet, Pontiac, Oldsmobile, and Buick models, including Chevrolet Cavalier and Pontiac Sunfire coverage.

Key Features

  • Fluoro-elastomer construction for resistance to heat and fluid exposure.
  • Precision dimensions for a secure seal at the shaft and housing interface.
  • Helps block debris and moisture from entering sensitive internal components.
  • Supports leak control in differential sealing applications.
  • Part number WS320259 for easy identification during ordering and service.

Detailed Description

WS320259 is engineered as a sealing component for differential pinion service, using fluoro-elastomer material to maintain sealing integrity under demanding operating conditions. Its measured inside diameter, outside diameter, and housing bore dimensions are specified to match the application closely, helping the seal seat properly and maintain consistent contact. This part is relevant for front-position fitments on Chevrolet Cavalier, Pontiac Sunfire, Pontiac Grand Am, and other listed vehicles, making it a practical choice when replacing a worn or leaking seal. The InMotion WS320259 is intended for technicians and owners who need a direct sealing solution for differential maintenance.

Common Issues It Can Address

  • Fluid seepage at the differential pinion area.
  • Contamination entering the sealed housing.
  • Wear-related loss of sealing contact.
  • Moisture intrusion around the shaft interface.
  • Service replacement for deteriorated seal material.

Installation Notes and Tips

Confirm the listed fitment by year, make, model, and front position before installation. Inspect the shaft and housing surfaces for wear, scoring, or debris that could affect sealing performance. Clean the sealing area thoroughly and verify the dimensions against the original part before assembly. Part number WS320259 should be matched carefully during service to avoid application errors.

Quality Assurance

InMotion specifies precision engineering and high-quality materials for this seal to support reliable sealing performance and long service life in differential applications.

This part fits 68 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2002ChevroletCavalier2.4LL4Front—
2002PontiacSunfire2.4LL4Front—
2001ChevroletCavalier2.4LL4Front—
2001OldsmobileAlero2.4LL4Front—
2001PontiacGrand Am2.4LL4Front—
2001PontiacSunfire2.4LL4Front—
2000ChevroletCavalier2.4LL4Front—
2000OldsmobileAlero2.4LL4Front—
2000PontiacGrand Am2.4LL4Front—
2000PontiacSunfire2.4LL4Front—
1999ChevroletCavalier2.4LL4Front—
1999ChevroletMalibu2.4LL4Front—
1999OldsmobileAlero2.4LL4Front—
1999PontiacGrand Am2.4LL4Front—
1999PontiacSunfire2.4LL4Front—
1998BuickSkylark2.4LL4Front—
1998ChevroletCavalier2.4LL4Front—
1998ChevroletMalibu2.4LL4Front—
1998OldsmobileAchieva2.4LL4Front—
1998PontiacGrand Am2.4LL4Front—
1998PontiacSunfire2.4LL4Front—
1997BuickSkylark2.4LL4Front—
1997ChevroletCavalier2.4LL4Front—
1997ChevroletMalibu2.4LL4Front—
1997OldsmobileAchieva2.4LL4Front—
1997PontiacGrand Am2.4LL4Front—
1997PontiacSunfire2.4LL4Front—
1996BuickSkylark2.4LL4Front—
1996ChevroletCavalier2.4LL4Front—
1996OldsmobileAchieva2.4LL4Front—
1996PontiacGrand Am2.4LL4Front—
1996PontiacSunfire2.4LL4Front—
1995BuickSkylark2.3LL4Front—
1995ChevroletCavalier2.3LL4Front—
1995OldsmobileAchieva2.3LL4Front—
1995PontiacGrand Am2.3LL4Front—
1995PontiacSunfire2.3LL4Front—
1994BuickSkylark2.3LL4Front—
1994ChevroletBeretta2.3LL4Front—
1994OldsmobileAchieva2.3LL4Front—
1994PontiacGrand Am2.3LL4Front—
1993BuickSkylark2.3LL4Front—
1993ChevroletBeretta2.3LL4Front—
1993OldsmobileAchieva2.3LL4Front—
1993PontiacGrand Am2.3LL4Front—
1992BuickSkylark2.3LL4Front—
1992ChevroletBeretta2.3LL4Front—
1992OldsmobileAchieva2.3LL4Front—
1992PontiacGrand Am2.3LL4Front—
1991BuickSkylark2.3LL4Front—
1991ChevroletBeretta2.3LL4Front—
1991OldsmobileCutlass Calais2.3LL4Front—
1991OldsmobileCutlass Supreme2.3LL4Front—
1991PontiacGrand Am2.3LL4Front—
1991PontiacGrand Prix2.3LL4Front—
1990BuickSkylark2.3LL4Front—
1990ChevroletBeretta2.3LL4Front—
1990OldsmobileCutlass Calais2.3LL4Front—
1990OldsmobileCutlass Supreme2.3LL4Front—
1990PontiacGrand Am2.3LL4Front—
1990PontiacGrand Prix2.3LL4Front—
1989BuickSkylark2.3LL4Front—
1989OldsmobileCutlass Calais2.3LL4Front—
1989PontiacGrand Am2.3LL4Front—
1988BuickSkylark2.3LL4Front—
1988OldsmobileCutlass Calais2.3LL4Front—
1988PontiacGrand Am2.3LL4Front—
1987OldsmobileCalais2.3LL4Front—