Mishimoto Transmission Thermal Bypass Valve Kit 17-19 GM 6.6L Duramax L5P AMP-75300-01A The objective is to provide

The objective is to provide the absolute lowest exhaust gas temperatures

You can even set up custom alerts to notify you when critical parameters exceed your chosen thresholds

Replaces Ford factory part #:AU5Z12A647B / DY1160

and much higher torque across the entire RPM range

Mishimoto Transmission Thermal Bypass Valve Kit 17-19 GM 6.6L Duramax L5P AMP-75300-01A The objective is to provideAre you wanting the best performance out of your Transmission? 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