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Part record
Duramax LB7/LLY Cylinder Head Gasket, Grade-Coded (OEM)
verified
OEM PN12637787
Card fitment 2001-2016 diesel; fitted to the LB7/LLY generations (2001-2005). MY2004 straddles the LB7->LLY build-date switch - verify the generation on the truck (engine RPO / VIN position 8) before ordering.
Where to buy
Not listed online at Dave's Auto Center yet. Ask Dave's Auto Center about this part, quoting part number 12637787.
Fits (28 configurations)
- 2001 Chevrolet Silverado 2500 HD
- 2001 Chevrolet Silverado 3500
- 2001 GMC Sierra 2500 HD
- 2001 GMC Sierra 3500
- 2002 Chevrolet Silverado 2500 HD
- 2002 Chevrolet Silverado 3500
- 2002 GMC Sierra 2500 HD
- 2002 GMC Sierra 3500
- 2003 Chevrolet Silverado 2500 HD
- 2003 Chevrolet Silverado 3500
- 2003 GMC Sierra 2500 HD
- 2003 GMC Sierra 3500
- 2004 Chevrolet Silverado 2500 HD
- 2004 Chevrolet Silverado 3500
- 2004 GMC Sierra 2500 HD
- 2004 GMC Sierra 3500
- 2005 Chevrolet Silverado 2500 HD
- 2005 Chevrolet Silverado 3500
- 2005 GMC Sierra 2500 HD
- 2005 GMC Sierra 3500
- 2007 Chevrolet Express 2500
- 2007 GMC Savana 2500
- 2008 Chevrolet Express 2500
- 2008 GMC Savana 2500
- 2009 Chevrolet Express 2500
- 2009 GMC Savana 2500
- 2010 Chevrolet Express 2500
- 2010 GMC Savana 2500