Upgrade your transmission cooling performance with the PPE Transmission Fluid Thermal Bypass Valve for 2020–2025 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 performance. By eliminating the OEM restriction, it helps reduce transmission temperatures—especially when towing, hauling, or driving in hot conditions—ultimately extending the life of your transmission.
Features:
- Eliminates restrictive factory thermal bypass valve
- Promotes constant transmission fluid flow to the cooler
- Helps reduce transmission temperatures
- Durable billet aluminum construction
- Magnetic service plug captures metal particles
- Direct bolt-on installation with no tuning required
Benefits:
- Improved cooling efficiency
- Increased transmission lifespan
- Better performance under load and towing conditions
Perfect for daily drivers and work trucks alike, this upgrade is a simple and effective way to protect your Duramax transmission.