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Mishimoto Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax Radiator
Mishimoto Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax Radiator
Mishimoto Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax Radiator
Mishimoto Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax Radiator
Mishimoto Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax Radiator
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Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax Radiator

Mishimoto
MISMMRAD-DMAX-01
748666005006
Radiators
20+ Units In Stock - Ships Next Business Day
$ 1,045.00 $ 949.95
$ 949.95

SKU: MMRAD-DMAX-01 | UPC: 748666005006

Mishimoto 2001-2005 Chevrolet Silverado/GMC Sierra 2500 HD/3500 HD 6.6L Duramax Radiator

Upgrade cooling on your 2001-2005 Chevrolet Silverado 2500 HD/3500 or GMC Sierra 2500 HD/3500 with the Mishimoto MMRAD-DMAX-01 all-aluminum radiator designed for 6.6L Duramax LB7/LLY diesel engines. This direct-fit replacement features a thicker 2-row core for higher cooling capacity during heavy towing or performance builds. Engineered to handle extreme diesel heat loads while maintaining OEM mounting points for easy install.

Key Features

  • All-Aluminum Construction: Full aluminum build resists corrosion and sheds weight compared to stock plastic tanks for long-term reliability in harsh conditions.
  • 2-Row 60mm Core: 29.8 x 18.5 x 2.36-inch core delivers up to 40% more volume than OEM for reduced coolant temps and sustained power output.
  • TIG-Welded End Tanks: Precision TIG welds create leak-proof durable tanks that withstand high pressures from tuned Duramax engines.
  • OEM-Spec Inlet/Outlet: 1.65-inch inlet and 1.85-inch outlet match factory hoses for plug-and-play fitment with no modifications needed.
  • Overall Dimensions: 34.6 x 23.4 x 3.1 inches ensure compatibility with stock shrouds fans and accessories on Silverado/Sierra HD trucks.

Product Notes

  • Direct OEM replacement requires no cutting or fabrication.
  • Pair with high-flow fans for maximum cooling gains.
  • Product weight 28.4 lbs requires secure mounting during transport.

Installation Notes

  • Professional installation recommended.
  • Bolts to factory radiator mounts using stock hardware.
  • Compatible with OEM fan shroud and transmission cooler lines.

This Part Fits

Year Make Model Submodel
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2005 Chevrolet Silverado 2500 HD LS
2001-2005 Chevrolet Silverado 2500 HD LT
2003-2005 Chevrolet Silverado 2500 HD WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2005 Chevrolet Silverado 3500 LS
2001-2005 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2002-2005 GMC Sierra 2500 HD Base
2001-2002 GMC Sierra 2500 HD SL
2001-2005 GMC Sierra 2500 HD SLE
2001-2005 GMC Sierra 2500 HD SLT
2003-2005 GMC Sierra 2500 HD WT
2002-2005 GMC Sierra 3500 Base
2001-2002 GMC Sierra 3500 SL
2001-2005 GMC Sierra 3500 SLE
2001-2005 GMC Sierra 3500 SLT
2004-2005 GMC Sierra 3500 WT

Why Choose Mishimoto?

  • Proven track record in diesel performance cooling for trucks worldwide.
  • Hand-built with aerospace-grade aluminum for daily driver or race durability.
  • Engineered and tested in USA facilities for exact Duramax fitment.

Frequently Asked Questions

  • Q: Will this fit my 2003 Silverado 2500 HD 6.6L Duramax LB7?
    A: Yes it fits all 2001-2005 Silverado 2500 HD/3500 and Sierra 2500 HD/3500 with 6.6L Duramax including LB7 and LLY variants across listed submodels.
  • Q: What materials are used in construction?
    A: 100% aluminum core fins tubes and TIG-welded end tanks for lightweight strength and corrosion resistance over stock.
  • Q: What warranty coverage applies?
    A: Lifetime warranty against manufacturing defects when installed and maintained properly on compatible vehicles.

Shipping & Handling

  • Method: UPS or FedEx Ground for continental US.
  • Availability: In stock - ships same or next business day
  • Packaging: Secure oversized box approximately 36 x 24 x 6 inches
  • Weight: 28.4 lbs product weight (shipping weight approx 35 lbs)
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