SKU: 18305413141

Mishimoto 2013+ Dodge Ram 6.7L Cummins Thermal Bypass Valve Kit

Sale price$92.22 Regular price$102.47
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

Mishimoto 2013+ Dodge Ram 6.7L Cummins Thermal Bypass Valve KitThe transmission is the backbone of your 2013? 2018 Dodge Ram 6. 7L Cummins. It? s responsible for transmitting up to 930 lb ft of torque from the engine to the wheels. That much power generates a lot of heat and if that heat isn? t dissipated it can destroy your transmission. The transmission cooler does a good job of keeping transmission fluid temperatures in check, but only if the fluid can reach it. The stock cooling system of both the 68 RFE and

The transmission is the backbone of your 2013?2018 Dodge Ram 6.7L Cummins. It?s responsible for transmitting up to 930 lb-ft of torque from the engine to the wheels. That much power generates a lot of heat and if that heat isn?t dissipated it can destroy your transmission. The transmission cooler does a good job of keeping transmission fluid temperatures in check, but only if the fluid can reach it. 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. Our CNC-machined aluminum thermal bypass valve not only looks better than the stock unit, but it performs better too. The Mishimoto thermal bypass 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 over cooling. 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. This 2013?2018 Dodge Ram 6.7L Cummins Thermal Bypass Valve Kit is built to last a lifetime with a durable black anodized finish and our Mishimoto Lifetime Guarantee.
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: 18305413141

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Missy Davis England
Whiting, US
★★★★★ 5
Perfect fit for my husband
Color: Army Green, Size: Large
Very thick but it's cool, comfortable, no shrinking when washed and no fading. Love this color and the quality of material for the price is top of the line. I will be ordering other colors. My husband really enjoys wearing this and it fits perfectly. Thank you for the excellent work.
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B House
West Palm Beach, US
★★★★★ 4
Stylish, Well-Made Shirt—Just Might Need a Touch of Ironing
Color: Black-square, Size: 3X-Large
Why did you pick this product vs others?: My husband is a big fan of this shirt brand—they offer a great selection of styles, patterns, and fabrics, and the availability of a 3XL is a major win since it’s not easy to find that size. This particular shirt has a classy, lightweight feel with a subtle checkerboard texture that adds visual interest under the light. The fit is modern and breathable, perfect for summer wear. After washing it straight out of the package, the wrinkles from shipping didn’t fall out, so I wouldn’t call it truly wrinkle-resistant just yet. I’m hopeful that a single pass with the iron will help set it right. Overall, the shirt looks fantastic and the quality is impressive, especially for the price. Whether for a casual day or dressed up for an event, it’s a versatile choice—just be prepared to give it a little extra TLC after washing.
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Reviewed in the United States on July 5, 2025
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L. Anderson
Alexandria, US
★★★★★ 5
Excellent value for your money
Color: Navy Blue-square, Size: X-Large
Comfortable with a slight stretch to the material. Wrinkles were minimal to nearly none after a day of wear. Material is soft with a nice feel to it. Overall great quality and would definitely recommend!
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Reviewed in the United States on May 26, 2026
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New York, US
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Looks great and no need to iron
Color: Light Blue-square, Size: Large
The wrinkle-free dress shirts from COOFANDY are an easy addition to my wardrobe. They are affordable and look nice with colors that pop and a comfortable fit. Plus, I never have to iron!
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Reviewed in the United States on May 15, 2026
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Louisville, US
★★★★★ 5
Nice shirt
Color: Navy Blue-square, Size: X-Large
Great shirt, I got this for a graduation ceremonia, it looking nice and the fabric is fresco and light.
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Reviewed in the United States on May 23, 2026

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