2012-2019 Ram 1500 Mishimoto Thermal Bypass Valve Features:
- Direct-fit for 2012-2019 RAM 1500
- Installs in less than 1 hour
- Durable CNC-machined billet aluminum design
- Increased flow over stock bypass valve
- Includes 160° F thermostat to match stock valve opening temp
- Customize the valve's opening temp with a range of Mishimoto thermostats
- Fully serviceable thermostat for fast warm-up in cold climates and thermostat bypass for constant cooling in hot climates
- Machined cooling fins for added heat dissipation
- Durable anodized finish
- Mishimoto Lifetime Warranty
The transmission in your 2012-2019 RAM 1500 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 performance thermostatic bypass valve for the 2012-2019 RAM 1500. Mishimoto's performance thermostatic bypass valve features a fully-serviceable and removable thermostat. For those who live in hot climates, the thermostat can be replaced with the included bypass to allow full flow to the transmission cooler at all times. Speaking of flow, the Mishimoto performance thermostatic bypass provides increased flow over the stock valve to ensure your transmission cooler operates at peak efficiency, even with the thermostat installed. The included thermostat opens at the stock temperature of 160° F (71° C), but the valve can be customized to suit your needs with.
Specifications:
- Mishimoto Activation Temperature (F): 160
- 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 V8 with 545RFE 5-speed transmission
- 2012-2013 Ram 1500 4.6L V8 with 545RFE 5-speed transmission
For 545RFE transmissions only: this bypass valve will only fit Ram 1500s with 5-speed 545RFE transmissions. It will not fit later models with 8-speed 8HP70 transmissions or trucks with manual transmissions.
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