Mishimoto 11-14 Chevrolet / GMC 6.6L Duramax (LML) Transmission Cooler

Mishimoto 11-14 Chevrolet / GMC 6.6L Duramax (LML) Transmission Cooler

Marsoni

M251S

$249.47

Get it in 3 business days with 1 day shipping. Friday, May 29

Mishimoto 11-14 Chevrolet / GMC 6.6L Duramax (LML) Transmission CoolerThere's no greater enemy for a transmission than heat. Whether your 2011 2014 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 2011 2014 Chevy GMC 6. 6L Duramax transmission cooler utilizes a stacked plate design for maximum durability

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Your Mishimoto 11-14 Chevrolet / GMC 6.6L Duramax (LML) Transmission Cooler orders ship within 1-2 business days.

Delivery Options:

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

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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.
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I absolutely love this 4-panel room divider! It was super easy to assemble — I had it set up in just a few minutes. The material isn’t too see-through, which gives just the right amount of privacy while still letting some light through. It does exactly what I needed it to do and looks so clean and sleek in my space. Perfect balance of style and function — highly recommend!

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Reviewed in the United States on November 7, 2025

Verified Purchase

Virginia C.

Bozeman, US

★★★★★ 5

A quick private space

Color: Black, Size: Standard - 4 Panel

Went together easily, just the right height and width for just a bit of privacy.

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Reviewed in the United States on March 3, 2026