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The transmission is the backbone of your RAM. It’s responsible for transmitting large amounts of torque from your 6.7L Cummins powerplant, and that torque generates heat. If that heat isn’t dissipated, it can destroy your transmission. The transmission cooler does a good job of keeping trans fluid temperatures in check, but only if the fluid can reach it.The stock cooling system of the Aisin AS69RC utilizes an in-line thermal bypass valve that controls fluid flow to the transmission cooler. The purpose of this valve is to prevent transmission fluid from flowing to the cooler until it reaches operating temperature. The thermostat inside this valve is prone to failure, however, and when that happens, the fluid never flows to the cooler, and the transmission can overheat. That's why Mishimoto has developed a full-flow thermal bypass valve upgrade for your 2019+ RAM 6.7L Cummins.Our CNC-machined aluminum thermal bypass valve not only looks better than the stock unit, but it performs better too. This Mishimoto thermal bypass valve eliminates the internal thermostat, providing full fluid flow to the transmission cooler in all running conditions. This setup is ideal for owners in warm climates, those performing heavy towing, and trucks needing the best possible cooling efficiency for their transmission. The Mishimoto full-flow thermal bypass valve features strategically machined internal passages, providing improved flow over the stock valve for more effective cooling. In addition, cooling fins machined into the valve body add even more heat dissipation.This 2019+ RAM 6.7L Cummins Thermal Bypass Full Flow Valve Kit is built to last a lifetime with a durable CNC-machined billet aluminum design and our Mishimoto Lifetime Warranty.
This Part Fits:
Year
Make
Model
Submodel
2019-2024
Ram
2500
Big Horn
2019-2024
Ram
2500
Laramie
2019-2021
Ram
2500
Laramie Longhorn
2019-2024
Ram
2500
Limited
2021-2024
Ram
2500
Limited Longhorn
2019-2024
Ram
2500
Lone Star
2023-2024
Ram
2500
Rebel
2024
Ram
2500
Special Service
2019-2024
Ram
2500
Tradesman
2019-2024
Ram
3500
Big Horn
2019-2024
Ram
3500
Laramie
2019-2020
Ram
3500
Laramie Longhorn
2019-2024
Ram
3500
Limited
2021-2024
Ram
3500
Limited Longhorn
2019-2022
Ram
3500
Lone Star
2019-2024
Ram
3500
SLT
2024
Ram
3500
Special Service
2019-2024
Ram
3500
Tradesman
Mishimoto 2019+ RAM 6.7L Cummins Thermal Bypass Full Flow
$99.95
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Does it come with a warranty?
Any products listed will have a warranty provided by the manufacturer only. Stealth Diesel is not liable for any warranty. We can assist in warranty claims but we do not provide warranty on items we dont manufacturer. Most products have a 1 year warranty. For more information on warranty, reach out to us or the manufacturer for specific warranty details.
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We recommend reaching out directly to the manufacturer, but we are availble to assist with any issues or concerns for troubleshooting.
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