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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
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Description
Mishimoto 01-03 Chevrolet / GMC 6.6L Duramax (LB7) Transmission CoolerThere'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
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.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Easy to apply
Perfect for black plastic elements, in use for 10 years with many different cars, it’s become like now after applying, recommend very much:)
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Amazing -- every drop brings back to black
My JEEP looks amazing! Spent two days full detail job, in and out, getting ready to sell. Kinda wish I wasn't now. Excellent product, keep shaking as you go along, better results for the finish. Don't forget to buff to bring that shine. 😉
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Reviewed in the United States on June 26, 2025
★★★★★ 4
good stuff
works great! Wish it stayed black a little
longer but overall good
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Reviewed in the United States on June 4, 2024
★★★★★ 5
Great product
Fast, easy, and gives your car a refreshed almost like new look. if your black trims looking gray and tired, give it a quick spa day with this.
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Reviewed in the United States on April 16, 2025
★★★★★ 5
Just wipe this product on and forget it.
I have a 2015 F 150 Platinum with 91,000 miles on it. I use this product to keep the plastic surfaces black. I have unlimited carwash at a local car wash. I get the truck washed at least once a week or more if it gets dusty or dirty. I do keep the truck in a garage.
This product lasts for months per application.
The truck looks like new all the time.
I am very fussy how the truck looks. I buy 2 of these at a time. The shelf life as never failed me. This last order was purchased several years after the one before this one.
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Reviewed in the United States on August 13, 2023