Mishimoto MMTC-L5P-TBVFF Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6. – EuroPartShop
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  • Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers
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Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers
Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers
Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers
Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers
Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers
Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers
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Load image into Gallery viewer, Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers
Load image into Gallery viewer, Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers
Load image into Gallery viewer, Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers
Load image into Gallery viewer, Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers
Load image into Gallery viewer, Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers

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Mishimoto MMTC-L5P-TBVFF
Mishimoto MMTC-L5P-TBVFF FITS: Transmission Coolers FITS: 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Transmission Coolers

Free Ground Shipping to USA (Lower 48)

2 sold in last 8 days
Mishimoto
MMTC-L5P-TBVFF
MISMMTC-L5P-TBVFF
In stock
Transmission Coolers
$110.00 $102.54
4 interest-free payments or as low as $25.63/mo with Shop Pay 4 installments. Prequalify now
Mishimoto - MMTC-L5P-TBVFF Transmission Coolers
The Allison transmission is the backbone of your L5P Duramax....
$102.54
Shop Pay 4 installments
Free Gound Shipping to Continental USA
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Description

The Allison transmission is the backbone of your L5P Duramax. It's responsible for transmitting large quantities of torque from your V8 diesel powerplant. This torque 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 trans fluid temperatures in check, but only if the fluid can reach it. The stock cooling system of the Allison 1000 transmission 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 2017-2019 Chevrolet/GMC 6.6L Duramax. Our CNC-machined aluminum full-flow 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 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 adds even more heat dissipation. This 2017-2019 Chevrolet/GMC 6.6L Duramax L5P Full-Flow Thermal Bypass Valve Kit is built to last a lifetime with a durable black anodized finish and our Mishimoto Lifetime Warranty.

  • Durable CNC-machined billet-aluminum construction
  • Eliminates failure-prone bypass valve
  • Installs in less than 1 hour

This Part Fits:

Year Make Model Submodel
2017-2019 Chevrolet Silverado 2500 HD High Country
2017-2019 Chevrolet Silverado 2500 HD LT
2017-2019 Chevrolet Silverado 2500 HD LTZ
2017-2019 Chevrolet Silverado 2500 HD WT
2017-2019 Chevrolet Silverado 3500 HD High Country
2017-2019 Chevrolet Silverado 3500 HD LT
2017-2019 Chevrolet Silverado 3500 HD LTZ
2017-2019 Chevrolet Silverado 3500 HD WT
2017-2019 GMC Sierra 2500 HD Base
2017-2019 GMC Sierra 2500 HD Denali
2017-2019 GMC Sierra 2500 HD SLE
2017-2019 GMC Sierra 2500 HD SLT
2017-2019 GMC Sierra 3500 HD Base
2017-2019 GMC Sierra 3500 HD Denali
2017-2019 GMC Sierra 3500 HD SLE
2017-2019 GMC Sierra 3500 HD SLT
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