Posted on 4/25/2025

If you tow heavy loads with your pickup—whether it’s a boat, trailer, or work equipment—your transmission is doing a lot more than usual. Heat is the enemy of transmission longevity, and towing is one of the fastest ways to build it up. That’s where a transmission cooler comes in. But do you really need one? If your truck didn’t come with a factory tow package, or if you’ve upgraded your towing capacity, adding a transmission cooler might be one of the smartest and most cost-effective upgrades you can make. It’s not about going faster—it’s about keeping your drivetrain alive and functioning reliably under load. Why Towing Generates So Much Heat Towing puts a massive strain on your transmission. Instead of just moving the truck itself, the engine and transmission are working harder to accelerate and maintain speed with thousands of extra pounds behind you. That extra effort translates to more heat being generated ... read more