Product Description
National transmission extension housing seal, MPN SX-W477. New, direct-replacement seal designed for automatic transmissions used on GMC Sierra 3500 HD models from 2007 through 2018. Interchanges with Timken, SKF, C765, VEMO, King, and 63-9 as listed by the manufacturer.
Product Specifications
BrandNational
TypeAutomatic Transmission Extension Housing Seal
Manufacturer Part NumberSX-W477 2018 2017 2016 2015 2014 2013
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C765 VEMO King 63-9
Placement on VehicleTransmission > Gaskets Sealing Systems
Compatible MakeGMC
Compatible ModelSierra 3500 HD
Compatible Year2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc National Extension Housing Seal
UPCDoes not apply
Country of OriginUnited States
Manufacturer Warranty1 Year
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc National Extension Housing Seal
Country of OriginUnited States
UPCDoes not apply