2012-2019 Ram 1500 Mishimoto 545RFE Full-Flow Bypass Valve Features:
- Direct-fit for 2012-2019 Ram 1500
- Installs in less than 1 hour
- Eliminates failure-prone bypass valve
- Durable CNC-machined billet aluminum construction
- Full-flow bypass allows the transmission cooler to operate at maximum efficiency
- Helps extend transmission life and prevent overheating
- Fits with stock transmission cooler piping, requiring no modification for installation
- Integrated heat-sink fins provide unique styling and added heat dissipation
- Durable anodized finish
- Mishimoto Lifetime Warranty
The transmission in your Ram is the heart of its drivetrain. Whether you're hauling groceries or hitting the trail, it's vital to keep it performing at its best, and keeping the transmission fluid cool is crucial to that goal.
In an attempt to balance drivability and the health of your transmission, Ram fitted a thermostatic bypass valve to the lines that feed the transmission cooler. This valve ensures fluid doesn't flow through the cooler before the transmission reaches operating temperature, preventing overcooling in cold environments. However, when the thermostat in this valve fails, it's almost a guarantee your transmission will overheat. Moreover, those who live in hot climates will likely never have to worry about overcooling, rendering the valve a useless flow restriction.
That's why Mishimoto has developed a full-flow thermostatic bypass valve for the 2012-2019 Ram 1500. The Mishimoto thermal bypass valve kit includes an all-aluminum CNC-machined housing that replaces the stock unit. This full-flow valve allows fluid to pump through the cooler as soon as the vehicle is started, eliminating the potential failure point of the stock bypass and providing cooling benefits. The full-flow design is beneficial to vehicles operating in hot climates, extreme driving conditions, or towing heavy loads. As with all Mishimoto products, this Full-Flow Transmission Thermal Bypass Valve Kit includes our signature Lifetime Warranty.
Specifications:
- OEM Activation Temperature (F): 160
- Note: This performance thermostatic bypass valve only fits vehicles with 5-speed automatic transmissions
- Mishimoto does not recommend customers in cold climates install the thermostat bypass to avoid overcooling of the transmission fluid
Fitment:
- 2012-2020 Ram 1500 5.7L with 545RFE transmission
- 2012-2023 Ram 1500 4.7L with 545RFE transmission
For 545RFE only: this Mishimoto bypass valve will only fit 2012-2020 Ram 1500s with 5-speed 545RFE transmissions. It will not fit later models with 8HP70 transmissions. Please verify your truck's transmission type before ordering.
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