SDS offers PPE 124066000 Bar & Plate Transmission Fluid Cooler that offer better cooling for the Allison transmission in your 2020-2024 GM 6.6L Duramax L5P. A larger effective cooling area and wider core allows this cooler to draw 200% more heat from your trans fluid compared to the stock cooler. Up to 40°F temperature drop was observed with PPE cooler installed.

The PPE 124066000 Bar & Plate Transmission Fluid Cooler is manufactured from high-quality aluminum, with specially designed fin structure to optimize cooling efficiency while maintaining line pressure. No modification or additional parts are required for the installation as this unit is a direct fit replacement. This transmission cooler reuses the stock cooler hardware.

• 200% More Heat Dissipation
• High-Quality Aluminum Construction
• Direct Replacement Using Factory Mounting Locations
• Limited Lifetime Warranty