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Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler

Marsoni M251S
Sale price$249.47
Pay 4 payments of $62.37 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission CoolerThere's no greater enemy for a transmission than heat. Whether your 2003 2005 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 2003 2005 Chevy GMC 6. 6L Duramax transmission cooler utilizes a stacked plate design for maximum durability
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Your Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler orders ship within 1-2 business days.

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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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You'll receive a tracking link by email once your Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler ships.

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
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Derrick Adams
Battle Creek, US
★★★★★ 5
Awesome
Format: Paperback
Great addition to my collection!
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Reviewed in the United States on March 26, 2026
B
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brumpike
Draper, US
★★★★★ 5
great
Format: Paperback
perfect shape
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Reviewed in the United States on April 17, 2025
E
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ethanhedstrom
Whiting, US
★★★★★ 5
Venom verse
Format: Paperback
Nice addition to the venom verse
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Reviewed in the United States on November 6, 2024
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Parker Thieme
Waukegan, US
★★★★★ 2
Poor shipping
Format: Paperback
The price was good and I love the product but this company shipped it by throwing it into a giant box. When it arrived it had several pages bent and the corners were damaged.
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Reviewed in the United States on February 20, 2025
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Alex
Waukegan, US
★★★★★ 5
Great
Format: Paperback
Absolute Goated
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Reviewed in the United States on May 24, 2026

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