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Hot Sale Mishimoto 01-03 Chevrolet / Gmc 6.6l Duramax (lb7) Transmission Cooler Gadget [Bue3zdEP]

$71.99 $230.99 -69%

Mishimoto Transmission Cooler for 2001-2003 Chevy/GMC 6.6L DuramaxWhen it comes to the health and longevity of your 2001-2003 Chevy/GMC 6.6L Duramax transmission, keeping it cool is paramount. The Mishimoto Transmission Cooler is designed to be your

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Mishimoto Transmission Cooler for 2001-2003 Chevy/GMC 6.6L Duramax

When it comes to the health and longevity of your 2001-2003 Chevy/GMC 6.6L Duramax transmission, keeping it cool is paramount. The Mishimoto Transmission Cooler is designed to be your vehicle's best ally against the relentless heat that can compromise performance and reliability. This direct-fit cooler is engineered to provide superior cooling efficiency, ensuring that your transmission operates at optimal temperatures, regardless of whether you're tackling heavy towing, hard work, or daily driving with a penchant for speed.

Key Features and Specifications

The Mishimoto Transmission Cooler boasts a stacked-plate design that not only maximizes durability but also delivers powerful cooling capabilities. This cooler is significantly larger than the stock core, featuring a 174% greater core volume and 192% greater fin surface area. This substantial increase in cooling surface area ensures that heat is efficiently dissipated, reducing the risk of transmission overheating. The CNC-machined adapters ensure a leak-free connection to the stock transmission cooler lines, while the direct-fit brackets and tailor-made hoses simplify installation, making it a straightforward upgrade for any DIY enthusiast.

Practical Uses and Benefits

Whether you're a dedicated tow vehicle owner, a hardworking fleet truck operator, or a daily driver with a passion for the drag strip, the Mishimoto Transmission Cooler is the ideal solution for maintaining your vehicle's performance. This cooler is specifically designed to cater to the needs of the 2001-2003 Chevy/GMC 6.6L Duramax lineup, including various models such as the Silverado 2500 HD and Sierra 2500 HD. By preventing overheating, this cooler not only prolongs the life of your transmission but also enhances your driving experience. With Mishimoto's Lifetime Warranty and Accident Protection, you can rest assured that your investment is backed by reliability and peace of mind.

What Our Customers Say

January 4, 2026

Absolutely no complaints!

The quality is better than I expected.

- Scott V..

January 4, 2026

Absolutely no complaints!

Can't praise this product enough.

- Lila P..

January 4, 2026

Absolutely no complaints!

This is a very nice item.

- Lila Q..

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