GM Genuine Parts 12637788 | Right Engine Cylinder Head Gasket

Part Number
12637788
Engine Cylinder Head Gasket Right ACDelco GM Original Equipment 12637788

Fits: 01-16 Chevrolet Silverado 2500 HD, 01-06 Chevrolet Silverado 3500, 01-16 GMC Sierra 2500 HD, 01-06 GMC Sierra 3500, 06-16 Chevrolet Express 2500, 06-16 Chevrolet Express 3500, 06-16 GMC Savana 2500, 06-16 GMC Savana 3500, 07 Chevrolet Silverado 2500 HD Classic, 07 Chevrolet Silverado 3500 Classic, 07-16 Chevrolet Silverado 3500 HD, 07 GMC Sierra 2500 HD Classic, 07 GMC Sierra 3500 Classic, 07-16 GMC Sierra 3500 HD, 09-16 Chevrolet Express 4500, 09-16 GMC Savana 4500

Special Price $73.09 Regular Price $85.99
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Estimated Ship Date: 1 Business Day or Less



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APPLICATIONS:


  • 2006-2006 GMC Sierra 2500 HD - Position: Right
    • CALIF EMIS SYS(NC8), FEDERAL EMIS(NF4), TIER 2 PHASE-OUT FED EMIS(NT9) NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2006-2006 GMC Sierra 2500 HD - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2009-2016 GMC Savana 4500 - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2016 Chevrolet Silverado 2500 HD - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2006-2006 Chevrolet Silverado 2500 HD - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2016 Chevrolet Express 3500 - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2016 Chevrolet Silverado 3500 HD - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2006-2006 GMC Sierra 3500 - Position: Right
    • CALIF EMIS SYS(NC8), FEDERAL EMIS(NF4), TIER 2 PHASE-OUT FED EMIS(NT9) NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2006-2006 GMC Sierra 3500 - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2016 GMC Savana 2500 - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2001-2005 GMC Sierra 3500 - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2001-2005 Chevrolet Silverado 2500 HD - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2007 Chevrolet Silverado 3500 Classic - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2006-2007 GMC Savana 2500 - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2007 GMC Sierra 2500 HD Classic - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2016 Chevrolet Express 2500 - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2006-2007 Chevrolet Express 2500 - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2016 GMC Sierra 3500 HD - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2007 GMC Sierra 3500 Classic - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2006-2006 Chevrolet Silverado 3500 - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2006-2007 GMC Savana 3500 - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2007 Chevrolet Silverado 2500 HD Classic - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2009-2016 Chevrolet Express 4500 - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2006-2007 Chevrolet Express 3500 - Position: Right
    • NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2016 GMC Sierra 2500 HD - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2001-2005 GMC Sierra 2500 HD - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2006-2006 Chevrolet Silverado 2500 HD - Position: Right
    • CALIF EMIS SYS(NC8), FEDERAL EMIS(NF4), TIER 2 PHASE-OUT FED EMIS(NT9) NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2001-2005 Chevrolet Silverado 3500 - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2006-2006 Chevrolet Silverado 3500 - Position: Right
    • CALIF EMIS SYS(NC8), FEDERAL EMIS(NF4), TIER 2 PHASE-OUT FED EMIS(NT9) NOTE:SEE REVISED TORQUE SPECS PER TSB 06-06-01-006 GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
  • 2007-2016 GMC Savana 3500 - Position: Right
    • GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
Customer Questions
Does AC Delco make Ford parts?
No, AC Delco produces parts primarily for General Motors vehicles and does not make parts specifically for Ford vehicles.
Can I use AC Delco parts to replace OEM parts?
Yes, in most cases AC Delco parts can be used as a replacement for OEM parts. However, it's important to ensure that the parts are compatible with your specific make and model of vehicle.
What AC Delco oil filter do I need?
AC Delco offers a variety of oil filters that are compatible with different makes and models of vehicles. To determine which AC Delco oil filter you need, consult your vehicle's owner's manual or use our online filter lookup tool that matches the make, model, and year of your vehicle.
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