Keep your transmission running cool and your rig on the road with Kenworth T660 Transmission Coolers. Built tough for heavy-duty use, these coolers help dissipate heat fast and keep your transmission at the right temperature even under heavy loads or long hauls. Overheating is one of the quickest ways to wear out a transmission. These coolers are designed to reduce strain, improve performance, and extend the life of your drivetrain, saving you from costly repairs down the line. With durable construction and reliable performance, this lineup is built to handle the toughest conditions. Whether you're climbing steep grades or putting in serious highway miles, these transmission coolers provide the consistent cooling power your Kenworth T660 needs to stay at its best. If you want to protect your investment and keep shifting smooth, upgrading your transmission cooler is a smart move. Built for real-world trucking designed to keep you rolling.