Mishimoto MMRAD-DMAX-06 Aluminum Performance Radiator

2006-2010 GM 6.6L Duramax LBZ/LMM
Mfg. Number:
XDP Part Number:
✔ QuickShips by Next Business Day*
$5 Price Beat Guarantee
Mishimoto has released a direct-fit performance aluminum radiator for the 2006-2010 Chevrolet/GMC 6.6L Duramax. Mishimoto performance radiators are manufactured from high-quality aircraft-grade aluminum with a 100% brazed 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 aluminum radiator with our silicone coolant hose kit for the ultimate in cooling performance and reliability. The Mishimoto 6.6L Duramax aluminum radiator retains factory fitment and requires no modification to your truck. Whether you use your Duramax for tearing up the drag strip or working at the job site, you can trust the Mishimoto performance radiator to keep your truck cool. As with all our products, this radiator is protected by the Mishimoto lifetime warranty.

  • Direct-Fit Replacement


  • Overall Size: 45.1” x 24.8” x 5.9”
  • Core Size: 33.86" x 23.54
  • Rows: 2
  • Inlet: 1.81”
  • Outlet: Factory-Style Quick Disconnect
  • Core Thickness: 2.21”
  • Tank Wall Thickness: .08”
  • Drain Plug Thread Size: M12 x 1.5

Mishimoto Performance (MP), warrants all of its products under its 'no questions asked' limited lifetime warranty policy. Regardless of the defect in product, Mishimoto will replace the original product. Warranty claims must be accompanied by the original sales receipt from an authorized dealer.

A trained professional should install all MP products. Any issues with compatibility or installation should be addressed before attempting to install the product.

The purchaser's remedy for breach of this limited warranty, exclusive of all other remedies provided by law, is expressly limited to repair or replacement of any part or parts. All products returned for warranty consideration must be returned to MP with all transportation expenses prepaid.

MP shall not be responsible for damages to its products or injury to persons using the products in any manner that would constitute improper operation, including but not limited to: incorrect opening of radiator pressure caps, burst hoses, unintended application or usage not intended by MP, negligence, improper installation, or any other use that may cause damages or injury. MP shall not be responsible for injury or harm to persons or property when caused by persons or vehicles using its products.

Accident Protection
Mishimoto, under its no questions asked warranty policy, will provide a warranty for all claims including vehicles involved in accidents. Warranty claims must include pictures of the accident and an official police report, and must be within three months of the accident.

Customer Reviews - Include your order number for a chance to win a $100 GiftCard

Rate This Product:
or Create a Review
(9 Ratings, 1 Review) Average Rating:
cools good, terrible first experience
Mark Gertner (United States) 11/27/2013 9:06 PM
This is a really great radiator and cools very well. Unfortunately I'm on my first radiator the fans have already got cracks on the brazing to the tank on the drivers side. I have called and told them and am going to be expecting my money back.