Description: This high - performance transmission cooler from Fluidyne is a game - changer. It fits 2011 - 2014 GMC/Chevrolet HD trucks with 6.6L LMM/LML Duramax engines. Faulty coolers can lead to all sorts of trouble like leaks, shifting issues, grinding noises, overheating, and burning smells. But with this cooler, you won't have to worry about these problems. It's made of top - quality materials, engineered for a perfect fit, and can handle any driving situation. Part Number: RT - A1 - 1114. Features: It can lower temperatures by up to 20°. It has four times the heat dissipation capacity of stock coolers. It's a direct bolt - in replacement for easy installation. It has maximum fin density for great cooling. Fully welded internal splitter plates prevent fluid contamination. It's tested up to 250 PSI to ensure no leaks and optimal performance. It's made of aerospace - grade aluminum with a bar and plate design. The proprietary fin design enhances thermal performance. It's powder - coated with a specialized heat - wicking compound. And it comes with a limited lifetime warranty for your peace of mind.

Using this transmission cooler is easy. It's a direct bolt - in replacement, so you can install it without any major modifications to your truck. Just remove the old cooler and bolt this one in its place. When using your truck, this cooler will work automatically to keep your transmission at the right temperature. As for maintenance, it's a good idea to check for any signs of leaks regularly. Since it's been tested up to 250 PSI, leaks are unlikely, but it's better to be safe. Also, if you notice any changes in the performance of your transmission, like difficulty shifting or strange noises, it's a good time to inspect the cooler. With its high - quality materials and construction, this cooler should serve you well for a long time, especially with the limited lifetime warranty giving you extra confidence.