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National 100165 Automatic Transmission Output Shaft Seal - LeftOE Quality 60-Day Returns
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Part #: 100165

National 100165 Automatic Transmission Output Shaft Seal - Left

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🚗Fitment: Buick, Chevrolet, Pontiac, Saturn, Volvo, and Oldsmobile, Lucerne, Impala, G6, Allure, LaCrosse, Uplander, Montana, Malibu, Grand Prix, Rendezvous, Terraza, Monte Carlo, Relay, S80, XC90, Century, LeSabre, Park Avenue, Venture, Aztek, Bonneville, Regal, Silhouette, Aurora, Intrigue, Lumina, Riviera, 88, LSS, Trans Sport, and Regency
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Overview of National Automatic Transmission Output Shaft Seal 100165

The National Automatic Transmission Output Shaft Seal 100165 is engineered to provide reliable sealing performance for a range of vehicles including Buick, Chevrolet, Oldsmobile, Pontiac, Saturn, and Volvo models. Designed with precision dimensions and durable nitrile material, this oil seal helps maintain transmission integrity and prevent fluid leaks.

  • Inside diameter: 1.378 inches (35.000 mm)
  • Outside diameter: 2.246 inches (57.300 mm)
  • Flanged outside diameter: 2.520 inches (64.000 mm)
  • Thickness/width: 0.601 inches (15.270 mm)
  • Material: Nitrile rubber for resistance to oil and heat
  • Redicoat surface treatment for enhanced durability
  • Compatible with multiple GM and Volvo automatic transmission models

Detailed Product Description and Specifications

This National transmission output shaft seal (part number 100165) is designed to fit the housing bore of 2.244 inches (57.000 mm) and shaft diameter of 1.378 inches (35.000 mm). The seal’s nitrile construction offers effective resistance against transmission fluid, heat, and wear, ensuring a tight seal around the output shaft. The flanged outside diameter of 2.520 inches (64.000 mm) provides secure installation and helps prevent leaks under operating conditions. The Redicoat coating enhances the seal’s surface to improve longevity and performance in demanding environments.

Compatible Vehicle Applications

This output shaft seal is compatible with a variety of vehicles, including but not limited to:

  • Buick models: Allure, LaCrosse, Lucerne, Park Avenue, Regal, Rendezvous, Terraza
  • Chevrolet models: Impala, Lumina, Malibu, Monte Carlo, Uplander
  • Oldsmobile models: Aurora, LSS
  • Pontiac models: Bonneville, Grand Prix, G6, Montana, Silhouette
  • Saturn model: Relay
  • Volvo models: S80, XC90, Trans Sport

Common Issues Addressed by This Transmission Output Shaft Seal

  • Prevents automatic transmission fluid leaks around the output shaft
  • Reduces risk of transmission damage caused by fluid loss
  • Maintains proper lubrication and pressure within the transmission system
  • Helps avoid contamination entering the transmission housing
  • Minimizes wear on the output shaft and surrounding components

Installation Notes and Tips

  • Ensure the housing bore and shaft are clean and free of debris before installation
  • Use appropriate tools to press the seal evenly into the bore without distortion
  • Verify the seal orientation matches manufacturer specifications for proper sealing
  • Inspect the output shaft for wear or damage prior to installing the new seal
  • Apply a light coating of transmission fluid to the seal lip to ease installation and initial operation

Quality Assurance and Warranty Information

National transmission seals are manufactured to meet industry standards for durability and performance. The 100165 output shaft seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. This product includes a limited warranty against defects in materials and workmanship, providing confidence in its reliability for compatible Buick, Chevrolet, Oldsmobile, Pontiac, Saturn, and Volvo vehicles.

BrandNational
Part Number100165
Flanged Outside Diameter (Inch)2.520
Flanged Outside Diameter (MM)64.000
Housing Bore (Inch)2.244
Housing Bore (MM)57.000
Inside Diameter1.378
Inside Diameter35.000
MaterialNitrile
Outside Diameter2.246
Outside Diameter57.300
Outside Diameter (Inch)2.246
Outside Diameter (mm)57.300
Part DescriptionOil Seal
RedicoatYes
Series100000
Shaft (Inch)1.378
Shaft (MM)35.000
Thickness0.601
Thickness15.270
Type74
Unit of DimensionMetric
Width (Inch)0.601
Width (mm)15.270

This part fits 180 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2011BuickLucerneAutomaticLeft
2011ChevroletImpalaAutomaticLeft
2010BuickLucerneAutomaticLeft
2010ChevroletImpalaAutomaticLeft
2010PontiacG6AutomaticLeft
2009BuickAllureAutomaticLeft
2009BuickLaCrosseAutomaticLeft
2009BuickLucerneAutomaticLeft
2009ChevroletImpalaAutomaticLeft
2009ChevroletUplanderAutomaticLeft
2009PontiacG6AutomaticLeft
2009PontiacMontanaAutomaticLeft
2008BuickAllureAutomaticLeft
2008BuickLaCrosseAutomaticLeft
2008BuickLucerneAutomaticLeft
2008ChevroletImpalaAutomaticLeft
2008ChevroletMalibuAutomaticLeft
2008ChevroletUplanderAutomaticLeft
2008PontiacG6AutomaticLeft
2008PontiacGrand PrixAutomaticLeft
2008PontiacMontanaAutomaticLeft
2007BuickAllureAutomaticLeft
2007BuickLaCrosseAutomaticLeft
2007BuickLucerneAutomaticLeft
2007BuickRendezvousAutomaticLeft
2007BuickTerrazaAutomaticLeft
2007ChevroletImpalaAutomaticLeft
2007ChevroletMalibuAutomaticLeft
2007ChevroletMonte CarloAutomaticLeft
2007ChevroletUplanderAutomaticLeft
2007PontiacG6AutomaticLeft
2007PontiacGrand PrixAutomaticLeft
2007PontiacMontanaAutomaticLeft
2007SaturnRelayAutomaticLeft
2006BuickAllureAutomaticLeft
2006BuickLaCrosseAutomaticLeft
2006BuickLucerneAutomaticLeft
2006BuickRendezvousAutomaticLeft
2006BuickTerrazaAutomaticLeft
2006ChevroletImpalaAutomaticLeft
2006ChevroletMalibuAutomaticLeft
2006ChevroletMonte CarloAutomaticLeft
2006ChevroletUplanderAutomaticLeft
2006PontiacG6AutomaticLeft
2006PontiacGrand PrixAutomaticLeft
2006PontiacMontanaAutomaticLeft
2006SaturnRelayAutomaticLeft
2006VolvoS80AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
2006VolvoXC90AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
2005BuickAllureAutomaticLeft
2005BuickCenturyAutomaticLeft
2005BuickLaCrosseAutomaticLeft
2005BuickLeSabreAutomaticLeft
2005BuickPark AvenueAutomaticLeft
2005BuickRendezvousAutomaticLeft
2005BuickTerrazaAutomaticLeft
2005ChevroletImpalaAutomaticLeft
2005ChevroletMonte CarloAutomaticLeft
2005ChevroletUplanderAutomaticLeft
2005PontiacAztekAutomaticLeft
2005PontiacBonnevilleAutomaticLeft
2005PontiacGrand PrixAutomaticLeft
2005PontiacMontanaAutomaticLeft
2005SaturnRelayAutomaticLeft
2005VolvoS80AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
2005VolvoXC90AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
2004BuickCenturyAutomaticLeft
2004BuickLeSabreAutomaticLeft
2004BuickPark AvenueAutomaticLeft
2004BuickRegalAutomaticLeft
2004BuickRendezvousAutomaticLeft
2004ChevroletImpalaAutomaticLeft
2004ChevroletMonte CarloAutomaticLeft
2004OldsmobileSilhouetteAutomaticLeft
2004PontiacAztekAutomaticLeft
2004PontiacBonnevilleAutomaticLeft
2004PontiacGrand PrixAutomaticLeft
2004PontiacMontanaAutomaticLeft
2004VolvoS80AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
2004VolvoS80AutomaticLeftwith GMC 4T65-EG Transmission
2004VolvoXC90AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
2003BuickCenturyAutomaticLeft
2003BuickLeSabreAutomaticLeft
2003BuickPark AvenueAutomaticLeft
2003BuickRegalAutomaticLeft
2003BuickRendezvousAutomaticLeft
2003ChevroletImpalaAutomaticLeft
2003ChevroletMonte CarloAutomaticLeft
2003OldsmobileAuroraAutomaticLeft
2003OldsmobileSilhouetteAutomaticLeft
2003PontiacAztekAutomaticLeft
2003PontiacBonnevilleAutomaticLeft
2003PontiacGrand PrixAutomaticLeft
2003PontiacMontanaAutomaticLeft
2003VolvoS80AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
2003VolvoS80AutomaticLeftwith GMC 4T65-EG Transmission
2003VolvoXC90AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
2002BuickCenturyAutomaticLeft
2002BuickLeSabreAutomaticLeft
2002BuickPark AvenueAutomaticLeft
2002BuickRegalAutomaticLeft
2002BuickRendezvousAutomaticLeft
2002ChevroletImpalaAutomaticLeft
2002ChevroletMonte CarloAutomaticLeft
2002OldsmobileAuroraAutomaticLeft
2002OldsmobileIntrigueAutomaticLeft
2002OldsmobileSilhouetteAutomaticLeft
2002PontiacAztekAutomaticLeft
2002PontiacBonnevilleAutomaticLeft
2002PontiacGrand PrixAutomaticLeft
2002PontiacMontanaAutomaticLeft
2002VolvoS80AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
2002VolvoS80AutomaticLeftwith GMC 4T65-EG Transmission
2001BuickCenturyAutomaticLeft
2001BuickLeSabreAutomaticLeft
2001BuickPark AvenueAutomaticLeft
2001BuickRegalAutomaticLeft
2001ChevroletImpalaAutomaticLeft
2001ChevroletLuminaAutomaticLeft
2001ChevroletMonte CarloAutomaticLeft
2001OldsmobileAuroraAutomaticLeft
2001OldsmobileIntrigueAutomaticLeft
2001OldsmobileSilhouetteAutomaticLeft
2001PontiacAztekAutomaticLeft
2001PontiacBonnevilleAutomaticLeft
2001PontiacGrand PrixAutomaticLeft
2001PontiacMontanaAutomaticLeft
2001VolvoS80AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
2001VolvoS80AutomaticLeftwith GMC 4T65-EG Transmission
2000BuickCenturyAutomaticLeft
2000BuickLeSabreAutomaticLeft
2000BuickPark AvenueAutomaticLeft
2000BuickRegalAutomaticLeft
2000ChevroletImpalaAutomaticLeft
2000ChevroletLuminaAutomaticLeft
2000ChevroletMonte CarloAutomaticLeft
2000OldsmobileIntrigueAutomaticLeft
2000OldsmobileSilhouetteAutomaticLeft
2000PontiacBonnevilleAutomaticLeft
2000PontiacGrand PrixAutomaticLeft
2000PontiacMontanaAutomaticLeft
2000VolvoS80AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
2000VolvoS80AutomaticLeftwith GMC 4T65-EG Transmission
1999BuickLeSabreAutomaticLeft
1999BuickPark AvenueAutomaticLeft
1999BuickRegalAutomaticLeft
1999BuickRivieraAutomaticLeft
1999ChevroletLuminaAutomaticLeft
1999ChevroletMonte CarloAutomaticLeft
1999Oldsmobile88AutomaticLeft
1999OldsmobileIntrigueAutomaticLeft
1999OldsmobileLSSAutomaticLeft
1999OldsmobileSilhouetteAutomaticLeft
1999PontiacBonnevilleAutomaticLeft
1999PontiacGrand PrixAutomaticLeft
1999PontiacMontanaAutomaticLeft
1999PontiacTrans SportAutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
1999VolvoS80AutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
1999VolvoS80AutomaticLeftwith GMC 4T65-EG Transmission
1998BuickLeSabreAutomaticLeft
1998BuickPark AvenueAutomaticLeft
1998BuickRegalAutomaticLeft
1998BuickRivieraAutomaticLeft
1998ChevroletLuminaAutomaticLeft
1998ChevroletMonte CarloAutomaticLeft
1998Oldsmobile88AutomaticLeft
1998OldsmobileIntrigueAutomaticLeft
1998OldsmobileLSSAutomaticLeft
1998OldsmobileRegencyAutomaticLeft
1998PontiacBonnevilleAutomaticLeft
1998PontiacGrand PrixAutomaticLeft
1997BuickPark AvenueAutomaticLeft
1997BuickRegalAutomaticLeft
1997BuickRivieraAutomaticLeft
1997Oldsmobile88AutomaticLeft
1997OldsmobileLSSAutomaticLeft
1997OldsmobileRegencyAutomaticLeft
1997PontiacBonnevilleAutomaticLeft
1997PontiacGrand PrixAutomaticLeftManual Transmission Output Shaft Seal compatible with vehicles equipped with a GMC 4T65-E Transmission.
1997PontiacGrand PrixAutomaticLeft

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

This part directly replaces or is cross-referenced with the following part numbers:

100165137352420433024243353861605294457249445724-9B37024JO-132

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.