Chevrolet/GMC 6.6L Duramax Aluminum Radiator 2001-2005



  • 100% brazed aluminum core
  • TIG-welded to perfection
  • Magnetic Drain Plug included
  • Natural aluminum finish
  • Mishimoto Lifetime Warranty

Mishimoto has released a performance aluminum radiator for the 2001–2005 Chevrolet/GMC 6.6L Duramax. Mishimoto performance radiators are manufactured from high-quality aircraft-grade aluminum with a 100% aluminum core and polished end tanks. The Mishimoto 6.6L Duramax Performance Radiator offers increased cooling efficiency, and the all-aluminum TIG-welded construction provides a rugged design that can take the abuse of any environment or terrain. Pair your Mishimoto 6.6L Duramax Performance Radiator with our silicone coolant hose kit for the ultimate combination in cooling performance and reliability. As with all our Duramax performance parts, this aluminum radiator is protected by the Mishimoto lifetime warranty.


Material Aluminum


2001-2005 Chevrolet Silverado 2500 HD w/ 6.6L Duramax LB7/LLY
2001-2005 Chevrolet Silverado 3500 HD w/ 6.6L Duramax LB7/LLY
2001-2005 GMC Sierra 2500 HD w/ 6.6L Duramax LB7/LLY
2001-2005 GMC Sierra 3500 HD w/ 6.6L Duramax LB7/LLY

Overall Height 20.8"

DPI 2510

Drain Plug Thread Size (M12) x 1.5

Overall Length 45.6"

Tank Wall Thickness 0.08"

Outlet 1.89"

Rows 2

Inlet 1.89"

Coolant Capacity 6.87

Dual Pass False

Purchase Includes

(1) Mishimoto Radiator
(1) Magnetic Drain Plug
Mishimoto Lifetime Warranty

Overall Width 5.4"

Core Length 34.06"

Core Height 19.61"

Core Size 19.61" x 34.06"

Core Thickness 2.2"

Mishimoto Automotive (“Mishimoto”) warrants its products under this lifetime limited warranty policy (“Warranty Policy”). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a “Mishimoto Product” and collectively, the “Mishimoto Products”) and (ii) the original purchaser of such Mishimoto Product (“Purchaser”). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.

For our complete warranty policy, please click here.