Description
Transmission Protection. The Mishimoto Transmission Thermal Bypass Valve Kit is an essential upgrade for your Sierra, designed to extend the transmission life and prevent overheating. By incorporating integrated heat-sink fins, this kit offers unique styling and enhanced heat dissipation. The inclusion of a fully serviceable thermostat ensures fast warm-up times in cold climates, while a thermostat bypass is provided for consistent cooling in hotter conditions.
Construction and Appearance. This kit is constructed from durable CNC-machined billet aluminum, promising longevity and resistance against the elements. An anodized finish not only adds to its durability but also enhances its aesthetic appeal, making it a standout addition to your Sierra.
Installation. The installation process for the Mishimoto Transmission Thermal Bypass Valve Kit is straightforward and easy, requiring no modifications. This simplicity ensures a hassle-free upgrade experience for all users.
Warranty. Mishimoto backs this Transmission Thermal Bypass Valve Kit with a limited lifetime warranty, providing peace of mind and assurance in the quality of your purchase.
Application. This Mishimoto Transmission Thermal Bypass Valve Kit fits 2017-2019 6.6L Duramax Sierra 2500 HDs.
Mishimoto MMTC-L5P-TBV
CA Residents: WARNING: Cancer and Reproductive Harm
- Mishimoto Transmission Thermal Bypass Valve Kit
- Extends Transmission Life
- Prevents Overheating
- With Integrated Heat-Sink Fins for Unique Styling and Added Heat Dissipation
- Includes Fully Serviceable Thermostat for Fast Warm-Up in Cold Climates
- Includes Thermostat Bypass for Constant Cooling in Hot Climates
- Durable CNC-Machined Billet Aluminum Construction
- Anodized Finish
- Compatible with Stock Transmission Cooler Piping
- No Modifications Required
- Easy Installation
- Limited Lifetime Warranty
- Fits 2017-2019 6.6L Duramax Sierra 2500 HDs






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