Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit 2012-nissan-xterra-esi8586013 Highly modified turbocharger setups and

Highly modified turbocharger setups and aggressive driving can result in high temperatures

while airflow is improved by 27

Combining all of these improvements unlocks a max gain of 16

2006-2007 Ford Ranger STX 2004 Ford Ranger Tremor 1998-2003

Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit 2012-nissan-xterra-esi8586013 Highly modified turbocharger setups andThe 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