Maximize Cooling for Your 2017-2019 GM 6.6L Duramax L5P with the Mishimoto Full-Flow Transmission Thermal Bypass Valve

The factory bypass valve in your Allison 1000 transmission can restrict cooling, leading to overheating and potential damage. Upgrade to the Mishimoto MMTC-L5P-TBVFF for superior cooling performance and extended transmission life.   

Key Features:

• Full-Flow Design: Eliminates the factory thermostat, allowing for constant and optimal fluid flow to the transmission cooler.
• Enhanced Cooling: Engineered for maximum cooling efficiency, ideal for towing, heavy hauling, and hot climates.   
• Premium Construction: Precision-machined from billet aluminum with integrated heat-sink fins for enhanced heat dissipation.   
• Easy Installation: Simple and quick installation with no modifications required to your existing transmission cooler lines.   
• Mishimoto Lifetime Warranty: Provides peace of mind with long-term coverage.

Kit Includes:

• (1) Transmission Line Mounting Plate
• (1) Transmission Line Mounting Plate Bolt  
• (1) CNC-Machined Billet Aluminum Thermal Bypass Valve  
• (2) 7/8” X 14 Quick-Disconnect Transmission Line Fittings  

Experience cooler transmission temperatures and extended transmission life with the Mishimoto MMTC-L5P-TBVFF.