Pay in 4 interest-free payments of $22.50 Learn more
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
no tuning—just better airflow and filtration in minutes
passenger pipe indented for firewall clearance
This system replaces the restrictive factory intake with a high-flow aluminum design
Model Compatibility: Precision-engineered to fit 2003
2020-2025 3.0L Duramax PPE Transmission Fluid Thermal Bypass dog collar no tuning—just better airflow andUpgrade your transmission cooling performance with the PPE Transmission Fluid Thermal Bypass Valve for 20202025 3. 0L Duramax trucks equipped with the 10L80 transmission. This direct bolt on upgrade replaces the restrictive factory bypass valve, allowing continuous fluid flow to the transmission cooler for improved temperature control and reliability. Built from high quality billet aluminum, this valve is designed for durability and long term