Find aftermarket Peterbilt 386 Transmission Coolers to maintain your rig's long-term value and deter costly transmission repairs. Premium transmission coolers from quality vendors help to bolster your transmission's performance for the long haul. Built tough and designed to handle heavy loads and tough terrain, these coolers efficiently dissipate heat to prevent costly issues. With reliable performance and long-lasting durability, they?re a must-have for keeping your truck road-ready. Stay cool under pressure?trust Peterbilt 386 transmission coolers!