HomeTransmission > Gaskets and Sealing SystemsNational 710623 Automatic Transmission Oil Pump Seal - Front
Part #: 710623

National 710623 Automatic Transmission Oil Pump Seal - Front

Front
81 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, and Hummer, H1, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, and Silverado 3500 HD
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National 710623 Automatic Transmission Oil Pump Seal - Front
BrandNational
Part Number710623
Inside Diameter2.294
Inside Diameter58.270
Thickness0.352
Thickness8.950
Outside Diameter3.236
Outside Diameter82.200
Helix TypeClockwise-spiral lip design
Housing Bore (Inch)3.228
Housing Bore (MM)82.000
MaterialFluoro-elastomer
Outside Diameter (Inch)3.236
Outside Diameter (mm)82.200
Part DescriptionOil seal
Sealing MaterialFluoro-elastomer
Series710600
Shaft (Inch)2.294
Shaft (MM)58.270
Type32
Unit of DimensionInch
Width (Inch)0.352
Width (mm)8.950

This part fits 81 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2019ChevroletSilverado 2500 HDAutomaticFront
2019ChevroletSilverado 3500 HDAutomaticFront
2019GMCSierra 2500 HDAutomaticFront
2019GMCSierra 3500 HDAutomaticFront
2018ChevroletSilverado 2500 HDAutomaticFront
2018ChevroletSilverado 3500 HDAutomaticFront
2018GMCSierra 2500 HDAutomaticFront
2018GMCSierra 3500 HDAutomaticFront
2017ChevroletSilverado 2500 HDAutomaticFront
2017ChevroletSilverado 3500 HDAutomaticFront
2017GMCSierra 2500 HDAutomaticFront
2017GMCSierra 3500 HDAutomaticFront
2016ChevroletSilverado 2500 HDAutomaticFront
2016ChevroletSilverado 3500 HDAutomaticFront
2016GMCSierra 2500 HDAutomaticFront
2016GMCSierra 3500 HDAutomaticFront
2015ChevroletSilverado 2500 HDAutomaticFront
2015ChevroletSilverado 3500 HDAutomaticFront
2015GMCSierra 2500 HDAutomaticFront
2015GMCSierra 3500 HDAutomaticFront
2014ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2014ChevroletSilverado 3500 HDAutomaticFrontwith Allison 1000 Transmission
2014GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2014GMCSierra 3500 HDAutomaticFrontwith Allison 1000 Transmission
2013ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2013ChevroletSilverado 3500 HDAutomaticFrontwith Allison 1000 Transmission
2013GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2013GMCSierra 3500 HDAutomaticFrontwith Allison 1000 Transmission
2012ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2012ChevroletSilverado 3500 HDAutomaticFrontwith Allison 1000 Transmission
2012GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2012GMCSierra 3500 HDAutomaticFrontwith Allison 1000 Transmission
2011ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2011ChevroletSilverado 3500 HDAutomaticFrontwith Allison 1000 Transmission
2011GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2011GMCSierra 3500 HDAutomaticFrontwith Allison 1000 Transmission
2010ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2010ChevroletSilverado 3500 HDAutomaticFrontwith Allison 1000 Transmission
2010GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2010GMCSierra 3500 HDAutomaticFrontwith Allison 1000 Transmission
2009ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2009ChevroletSilverado 3500 HDAutomaticFrontwith Allison 1000 Transmission
2009GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2009GMCSierra 3500 HDAutomaticFrontwith Allison 1000 Transmission
2008ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2008ChevroletSilverado 3500 HDAutomaticFrontwith Allison 1000 Transmission
2008GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2008GMCSierra 3500 HDAutomaticFrontwith Allison 1000 Transmission
2007ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2007ChevroletSilverado 2500 HD ClassicAutomaticFrontwith Allison 1000 Transmission
2007ChevroletSilverado 3500 ClassicAutomaticFrontwith Allison 1000 Transmission
2007ChevroletSilverado 3500 HDAutomaticFrontwith Allison 1000 Transmission
2007GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2007GMCSierra 2500 HD ClassicAutomaticFrontwith Allison 1000 Transmission
2007GMCSierra 3500 ClassicAutomaticFrontwith Allison 1000 Transmission
2007GMCSierra 3500 HDAutomaticFrontwith Allison 1000 Transmission
2006ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2006ChevroletSilverado 3500AutomaticFrontwith Allison 1000 Transmission
2006GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2006GMCSierra 3500AutomaticFrontwith Allison 1000 Transmission
2006HummerH1AutomaticFront
2005ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2005ChevroletSilverado 3500AutomaticFrontwith Allison 1000 Transmission
2005GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2005GMCSierra 3500AutomaticFrontwith Allison 1000 Transmission
2004ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2004ChevroletSilverado 3500AutomaticFrontwith Allison 1000 Transmission
2004GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2004GMCSierra 3500AutomaticFrontwith Allison 1000 Transmission
2003ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2003ChevroletSilverado 3500AutomaticFrontwith Allison 1000 Transmission
2003GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2003GMCSierra 3500AutomaticFrontwith Allison 1000 Transmission
2002ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2002ChevroletSilverado 3500AutomaticFrontwith Allison 1000 Transmission
2002GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2002GMCSierra 3500AutomaticFrontwith Allison 1000 Transmission
2001ChevroletSilverado 2500 HDAutomaticFrontwith Allison 1000 Transmission
2001ChevroletSilverado 3500AutomaticFrontwith Allison 1000 Transmission
2001GMCSierra 2500 HDAutomaticFrontwith Allison 1000 Transmission
2001GMCSierra 3500AutomaticFrontwith Allison 1000 Transmission

* 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:

29536299295403092954537629546682710623AT122646B37132

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