2020-2025 3.0L Duramax PPE Transmission Fluid Thermal BypassUpgrade 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
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2020-2025 3.0L Duramax PPE Transmission Fluid Thermal Bypass