Introducing the Game-Changing Thermal Bypass Valve for 8HP70 and 8HP75 Transmissions


8HP70 8HP75 Thermal Bypass Valve

Are you a RAM or JEEP enthusiast who values peak performance and reliability in your ride? We have some exciting news for you! Today, we are thrilled to introduce a revolutionary product that’s set to transform the way you experience your vehicle’s transmission system. Say hello to the Thermal Bypass Valve for 8HP70 and 8HP75 transmissions made by Jesse Caulk!

The transmission system is the heart of your RAM truck, JEEP Wagoneer or JEEP Grand Wagoneer, responsible for delivering power from the engine to the wheels. In modern vehicles, automatic transmissions like the 8HP70 and 8HP75 are becoming increasingly prevalent for their efficiency and smooth operation. However, like all mechanical components, these transmissions can suffer from overheating issues, which can lead to reduced performance, increased wear and tear, and even costly repairs. That’s where the Thermal Bypass Valve comes in to save the day!

Unveiling the Thermal Bypass Valve

What is the Thermal Bypass Valve?

The Thermal Bypass Valve is a cutting-edge addition to your 8HP70 and 8HP75 transmissions, designed to keep your transmission cooler, thus optimizing its performance and extending its lifespan. It acts as a safeguard against the adverse effects of overheating, making sure your transmission stays within the ideal temperature range, even in the most demanding conditions.

Benefits of the Thermal Bypass Valve:

  1. Enhanced Performance: By maintaining optimal transmission temperatures, the Thermal Bypass Valve ensures that your vehicle’s transmission operates at peak performance, delivering power to the wheels efficiently and smoothly.
  2. Extended Lifespan: Heat is a transmission’s worst enemy. With the Thermal Bypass Valve in place, your transmission components are protected from the excessive wear and tear associated with overheating, extending the lifespan of your transmission.
  3. Improved Fuel Efficiency: Overheating transmissions can result in decreased fuel efficiency. The Thermal Bypass Valve helps you save on fuel costs by preventing unnecessary temperature-related losses.
  4. Reduced Maintenance Costs: Fewer overheating-related issues mean fewer visits to the mechanic. Installing the Thermal Bypass Valve can help you save on costly transmission repairs.
  5. Easy Installation: The Thermal Bypass Valve is designed to be user-friendly, making installation a breeze for both DIY enthusiasts and professional mechanics.
  6. Compatibility: Our Thermal Bypass Valve is engineered specifically for the 8HP70 and 8HP75 transmissions, ensuring a seamless fit and reliable performance.
  7. Peace of Mind: You can hit the road with confidence, knowing that your transmission is protected from the perils of overheating, no matter where your adventures take you.


2013-present RAM trucks with the 8-speed transmission (8HP70 or 8HP75).

2021-present JEEP Wagoneer and Grand Wagoneer with the 8-speed transmission (8HP70 or 8HP75).

How Does it Work?

The Thermal Bypass Valve functions by deregulating the flow of cooled transmission fluid to the transmission cooler. This extra cooling capacity helps to bring down the temperature, preventing heat-related damage and ensuring your transmission remains at its best.


If you’re looking to get the most out of your 8HP70 and 8HP75 transmissions, the Thermal Bypass Valve we offer is the game-changing accessory you’ve been waiting for. By preventing overheating and its associated issues, this product offers improved performance, longevity, and peace of mind.

Don’t let transmission overheating hold you back; unlock the full potential of your vehicle with the Thermal Bypass Valve. Get ready to experience a smoother ride, enhanced efficiency, and the confidence that comes with a protected transmission system. Upgrade your vehicle today and discover the difference for yourself!

Store link: here.

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