Mishimoto MMTC-DMAX-01SL Transmission Cooler Compatible With Chevrolet/GMC Allison Transmission 6.6 LB7 2001-2003 Silver

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US$190.50
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US$190.50
Price when purchased online
Free shipping Free 30-day returns

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Management number 254731612 Release Date 2026/11/07 List Price US$190.50 Model Number 254731612
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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.

  • Direct fit for all 2001-2003 Chevrolet/GMC 6.6L Allison Transmission (LB7)
  • Stacked-plate construction for maximum durability and superior cooling
  • 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 and comes with the Mishimoto Lifetime Warranty
Automotive radiator repair part & hardware type Transmission Cooler
Vehicle fitment type Specific
Vehicle type Recreational Vehicle
Brand Mishimoto
Weight 11 lb
Core material Aluminum
Core height 5.78
Core thickness 1.25
Inlet diameter 1
Outlet diameter 1
Mounting hardware included Y
Pieces 1
Automotive parts division Direct Replacement

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