Keep your transmission cool, your shifts smooth, and your Peterbilt 352 performing at its best with a heavy-duty transmission cooler built for the long haul. This lineup of Peterbilt 352 transmission coolers is engineered to handle the heat of tough loads and long distances, delivering consistent cooling to protect one of the most critical systems in your truck. Built with durable materials and designed for maximum efficiency, these coolers help prevent overheating, extend transmission life, and improve overall performance. Whether you're replacing a worn-out unit or upgrading to a more efficient setup, you'll find a reliable solution that fits your Peterbilt 352 perfectly. Designed for easy installation and long-lasting durability, these transmission coolers help you stay on the road and out of the shop. When performance matters, this is the upgrade that keeps your truck moving forward.