Description
Constant Cooling. Upgrade your vehicle’s transmission cooling system with this Mishimoto Transmission Thermal Bypass Valve Kit. Whether you’re driving in cold climates and need a fast warm-up or dealing with hot weather that demands constant cooling, this kit has you covered. It includes a fully serviceable thermostat that caters to both extremes, guaranteeing optimal transmission temperature regulation.
Aluminum Construction. Designed for durability and performance, this kit features a durable CNC-machined billet aluminum construction and a durable anodized finish, ensuring long-lasting reliability even under challenging conditions. Say goodbye to failure-prone bypass valves; this kit eliminates them, providing a more efficient and dependable cooling solution for your transmission.
Installation. The installation of the Mishimoto Transmission Thermal Bypass Valve Kit does not require drilling. It is designed for a straightforward installation process that typically involves bolting on the components.
Warranty. This product has a lifetime warranty.
Application. The Mishimoto Transmission Thermal Bypass Valve Kit fits all 2017-2019 6.6L Duramax Sierra 3500 HD models.
Mishimoto MMTC-L5P-TBV
CA Residents: WARNING: Cancer and Reproductive Harm
- Mishimoto Transmission Thermal Bypass Valve Kit
- Durable Anodized Finish
- Durable CNC-Machined Billet Aluminum Construction
- Eliminates Failure-Prone Bypass Valve
- Helps Extend Transmission Life and Prevent Overheating
- Includes Fully-Serviceable Thermostat
- Fast Warm-Up in Cold Climates
- Thermostat Bypass for Constant Cooling in Hot Climates
- Integrated Heat-Sink Fins
- Unique Styling and Added Heat Dissipation
- Fits with Stock Transmission Cooler Piping
- Installs in Less Than 1 Hour
- Mishimoto Lifetime Warranty
- Fits All 2017-2019 6.6L Duramax Sierra 3500 HD Models






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