MISHIMOTO

Mishimoto Chevrolet/GMC 6.6L Duramax (LB7) Transmission Cooler, 2001-2003 MMTC-DMAX-01SL

Mishimoto Chevrolet/GMC 6.6L Duramax (LB7) Transmission Cooler, 2001-2003 MMTC-DMAX-01SL

MISHIMOTO

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SKU:
MMTC-DMAX-01SL
Width:
4.00 (in)
Height:
14.00 (in)
Depth:
29.00 (in)
Now: $426.95
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Mishimoto Chevrolet/GMC 6.6L Duramax (LB7) Transmission Cooler, 2001-2003 MMTC-DMAX-01SL


  • Direct-fit for all 2001-2003 Chevrolet/GMC 6.6L Duramax
  • CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
  • 174% greater core volume than stock cooler
  • 192% greater external fin surface area over stock cooler
  • Mishimoto Lifetime Warranty

There's no greater enemy for a transmission than heat. Whether your 2001-2003 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag-strip, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2001-2003 Chevy/GMC 6.6L Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from It's durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 174% greater core volume, and 192% greater fin surface area than the stock 2001-2003 Duramax transmission cooler. The included CNC-machined adapters connect directly to the stock transmission cooler lines for leak-free cooling. Direct-fit brackets and tailor-made hoses make installation easy. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty with Accident Protection for worry free cooling as long as you own it.

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Dan B. Verified Customer   
04-14-25

They helped me out with a wrong part that I ordered so now I’m purchasing from Swag again.

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5 / 5
Jeffery T. Verified Customer   
04-14-25

Quick and easy

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3 / 5
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04-14-25

Easy to find parts

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