SKU: 3876466233

Mishimoto Thermal Bypass Valve Kit 13-18 Ram 6.7L Cummins

Sale price$92.22 Regular price$102.47
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

Mishimoto Thermal Bypass Valve Kit 13-18 Ram 6.7L CumminsKeep your transmission in your 13 18 6. 7L Ram Cummins running cool and prevent future failures with the Mishimoto Thermal Bypass Valve kit. The stock cooling system of both the 68 RFE and Aisin AS69RC utilize an in line thermal bypass valve that controls the flow of fluid 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

Keep your transmission in your 13-18 6.7L Ram Cummins running cool and prevent future failures with the Mishimoto Thermal Bypass Valve kit. The stock cooling system of both the 68-RFE and Aisin AS69RC utilize an in-line thermal bypass valve that controls the flow of fluid 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 an improved thermal bypass valve kit for your 2013–2018 Dodge Ram 6.7L Cummins.

Mishimoto Thermal Bypass Valve - Thermostat Controlled: This valve utilizes a replaceable thermostat that is more durable than the stock thermostat and opens about 10°F earlier. This allows fluid to flow to the cooler sooner without overcooling. For owners in hot climates, the Mishimoto valve includes a bypass that allows full flow to the transmission cooler, regardless of temperature. The bypass can be easily swapped out with only a wrench for summer or winter driving. The Mishimoto thermal bypass valve flows better in both configurations than the stock valve for more effective cooling. Cooling fins machined into the valve body add even more heat dissipation.

Mishimoto Thermal Bypass Valve - Full Flow: This 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.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 3876466233

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ChrisFromTexas
Pawtucket, US
★★★★★ 5
Works well and easy to use for sublimation
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I’ve been using this heat tape for a few different sublimation projects—mugs, shirts, and a couple of random DIY gifts. It holds up great under heat. No slipping, no weird residue left behind on my blanks, and it peels off cleanly every time. The stickiness is just right—not so strong that it’s a pain to remove, but strong enough to keep designs in place while pressing. I also like that you get several rolls in the pack, which makes it a great value for the price. It’s easy to work with and cuts cleanly, which is helpful when you’re lining up small designs. Overall, this has made my sublimation process a lot smoother.
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Reviewed in the United States on July 22, 2025
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Dani Linse
Bozeman, US
★★★★★ 5
Perfect heat tape
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This is the only heat resistant tape I'll use - hasn't failed me.
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Reviewed in the United States on May 5, 2026
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RPPerry3
Fort Morgan, US
★★★★★ 5
Great for patch hat pressing, no discoloring or marking during transfer
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Bought to hold my leather patches down while pressing them to hats, and they work great. They have not left any residue or discoloring when pressing hats, even with white patches. Very happy with how these perform and would recommend to others who make patch hats.
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Reviewed in the United States on January 25, 2026
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Leslie Morales
Port Orchard, US
★★★★★ 5
Great product
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This is a perfect tape to use . It holds down the shirts very well.
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Reviewed in the United States on April 26, 2026
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Ali's Finds for Everyday Life
Grantham, US
★★★★★ 5
Great Heat Resistant Tape
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My go to heat tape for all of my projects!
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Reviewed in the United States on May 24, 2026

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