GM Duramax

The Duramax is a General Motors diesel engine family for light-and medium duty trucks, designed by GM and Isuzu. The 6.6-liter Duramax is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio. The Duramax block and heads are poured at The Defiance GM Powertrain foundry in Defiance, Ohio. This engine was initially installed in 2001 model year Chevy and GMC trucks and has been an option since then in pickups, vans, and medium-duty trucks. In 2006, production at Moraine was reportedly limited to approximately 200,000 engines per year. On May 9, 2007, DMAX announced the production of the 1,000,000th Duramax V-8 diesel at its Moraine facility.

DK Engine Parts provides OEM equivalent quality parts for most General Motors engine applications without charging the dealer prices. We have worked with reliable vendors to ensure your needs are met with quality engine parts and knowledgeable sales associates.

 

  • Sale! New LLY Cylinder Heads w/ Aftermarket Studs & Head Gasket Set

    New LLY Cylinder Heads w/ Aftermarket Studs & Head Gasket Set

    Original price was: $2,168.84.Current price is: $2,103.77.     Add to cart
  • Complete Pair Cylinder Heads With Valve Train - DK-GMLB7-CHL

    Complete Pair Cylinder Heads With Valve Train – DK-GMLB7-CHL

    $1,399.98     Add to cart
  • 6.6 Studs on Box

    Cylinder Head Stud Kit – 2001-2016 DK-GM6.6-STUD

    $362.24     Add to cart
  • Cylinder Head Stud Kit - 2017-2025 DK-GML5P-STUD

    Cylinder Head Stud Kit – 2017-2025 DK-GML5P-STUD

    $344.44     Add to cart
  • Sale! DK Piston Set (8) w/ Rings - LB7/LLY Duramax 6.6L (2001-2005)

    DK Piston Set (8) w/ Rings – LB7/LLY Duramax 6.6L (2001-2005)

    Original price was: $978.46.Current price is: $949.11.     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! DK Piston Set (8) w/ Rings - LLY/LBZ/LMM Duramax 6.6L (2006-2010)

    DK Piston Set (8) w/ Rings – LLY/LBZ/LMM Duramax 6.6L (2006-2010)

    Original price was: $1,145.00.Current price is: $1,110.65.     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! DK Piston Set (8) w/ Rings - LML Duramax 6.6L (2011-2016)

    DK Piston Set (8) w/ Rings – LML Duramax 6.6L (2011-2016)

    Original price was: $907.20.Current price is: $879.98.     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! DK Piston w/ Ring Set - L5P Duramax 6.6L 2017-2023

    DK Piston w/ Ring Set – L5P Duramax 6.6L 2017-2023

    Original price was: $925.76.Current price is: $897.99.     Select options This product has multiple variants. The options may be chosen on the product page
  • EGR Cooler Kit 2004.5-2005 (LLY) - DK Engine Parts

    EGR Cooler Kit 2004.5-2005 (LLY) – DK Engine Parts

    $210.25     Add to cart
  • EGR Cooler Kit 2006-2007 (LBZ) - DK Engine Parts

    EGR Cooler Kit 2006-2007 (LBZ) – DK Engine Parts

    $207.42     Add to cart
  • EGR Cooler Kit 2007-2010 (LMM) - Pickup - DK Engine Parts

    EGR Cooler Kit 2007-2010 (LMM) – Pickup – DK Engine Parts

    $190.28     Add to cart
  • EGR Cooler Kit 2007-2010 (LMM) - Van - DK Engine Parts

    EGR Cooler Kit 2007-2010 (LMM) – Van – DK Engine Parts

    $248.16     Add to cart
  • Sale! Grade "C" Head Gaskets - DK-GM6.6-HGB

    Grade “C” Head Gaskets – DK-GM6.6-HGB

    Price range: $98.40 through $719.48     Select options This product has multiple variants. The options may be chosen on the product page
  • Grade "C" Left Head Gasket - DK-GM6.6-HGL

    Grade “C” Left Head Gasket – DK-GM6.6-HGL

    $50.72     Add to cart
  • Grade "C" Right Head Gasket - DK-GM6.6-HGR

    Grade “C” Right Head Gasket – DK-GM6.6-HGR

    $50.72     Add to cart
  • L5P Head Gasket - DK-GML5P-HG

    L5P Head Gasket – DK-GML5P-HG

    $73.12     Add to cart