★★★★★ 5
very good quality
Color: Brown, Size: Large
good qualities
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Reviewed in the United States on April 26, 2026
Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax (LB7/LLY) Transmission Cooler Line Kit
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax (LB7/LLY) Transmission Cooler Line KitEvery truck owner knows that it doesn't matter how powerful or reliable your engine is if you can't get any power to the wheels. The transmission mated to your 2001 2005 LB7 LLY Duramax is essential to everything your truck does, and keeping it cool is crucial. Upgrading your transmission cooler with a Mishimoto performance transmission cooler is a good start, but the fluid still needs to get to the cooler. That's where this 2001 2005 GM 6. 6L Duramax
Quick Dispatch:
Your Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax (LB7/LLY) Transmission Cooler Line Kit orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax (LB7/LLY) Transmission Cooler Line Kit 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
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4.0 ★★★★★
Based on 452 reviews
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Product Reviews
★★★★★ 4
Fit well
Color: Black, Size: Medium
Happy with it.
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Reviewed in the United States on August 25, 2025
★★★★★ 5
Fit
Color: Black, Size: Large
Well made looks nice. It’s really good. I bought four of them after the first one the price is reasonable.
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Reviewed in the United States on October 31, 2025
★★★★★ 5
Highly recommend
Color: Navy Blue, Size: X-Large
Very nice
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Coofandy Henley
Color: Navy Blue, Size: X-Large
Very comfortably. Nice looking for the light Henley sweater. Very washed.
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Reviewed in the United States on November 19, 2025
