Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Multi-Pattern Cleaner setup: Helps prevent leaks

Cleaner setup: Helps prevent leaks and contamination

aFe Model 46-7707AB

It is available with replacement Packout box latches that say M12 3/8 RATCHET + SOCKETS

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Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Multi-Pattern Cleaner setup: Helps prevent leaksThe 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