Mishimoto 01-03 Chevrolet / GMC 6.6L Duramax (LB7) Transmission Cooler

When you're working your 2001-2003 Chevrolet or GMC with the 6.6L Duramax engine hard, whether it's for towing, hauling, or just enjoying the road, keeping your transmission cool is key. Mishimoto has developed a direct-fit transmission cooler specifically for these trucks to help manage heat effectively. This cooler is designed to replace your stock unit and ensure your transmission stays within optimal operating temperatures, preventing damage and extending its life.

What you get in this kit is a significantly larger transmission cooler featuring a stacked-plate construction. This design offers robust durability and superior cooling performance compared to the factory cooler. In fact, the Mishimoto cooler boasts a core volume that's 174-percent larger and a fin surface area that's 192-percent greater than the stock unit. Installation is made straightforward with CNC-machined adapters that connect directly to your truck's existing transmission cooler lines, ensuring a leak-free setup. The kit also includes direct-fit brackets and custom hoses, simplifying the installation process for a clean, professional look.

This Mishimoto transmission cooler is a solid option for anyone looking to improve their Duramax truck's transmission cooling. It's built to handle the demands of towing and heavy use, offering peace of mind. Like all Mishimoto products, this cooler comes with their Lifetime Warranty, which includes accident protection, so you can be confident in its long-term performance.