This transmission cooler comes with an 8-inch electric fan that is perfect for heavy-duty trucks and supercharged or turbocharged applications. This cooler will ensure that transmission temperatures remain low to keep your vehicle performing at its best.Extend the life of your transmission with the Mishimoto Heavy-Duty Transmission Cooler Kit. It is made with 100% aluminum and is tube-and-fin constructed. The kit includes all mounting equipment needed for universal installation.