Mishimoto Thermal Bypass Valve Kit

2012–2023 Chrysler 300 / Dodge Charger / Dodge Challenger 3.6L V6, 2021–2024 Ram 1500 6.2L TRX

Part #: MMTC-GMP-TBV

Overview

The Mishimoto Thermal Bypass Valve Kit is a precision-engineered transmission cooling upgrade designed for select Chrysler, Dodge, and Ram vehicles equipped with 3.6L V6 and 6.2L TRX engines. This kit replaces the factory thermal bypass valve, a common failure point prone to sticking closed and causing transmission overheating. By installing this billet aluminum valve, owners can expect improved temperature regulation, enhanced transmission longevity, and reliable cooling performance under demanding conditions.

Whether you drive daily, tow heavy loads, or push your vehicle on the street or track, this valve kit helps maintain optimal transmission fluid temperatures. It is an essential upgrade for those seeking to prevent costly transmission damage caused by overheating, especially in hot climates or during aggressive driving.

Key Features

Engineered to outperform the factory thermal bypass valve, the Mishimoto kit offers advanced features that enhance reliability and cooling efficiency:

• CNC-machined billet aluminum construction for superior strength and durability
• Integrated heat sink design actively dissipates heat to improve thermal management
• Fully serviceable thermostat calibrated to open at the stock temperature of 160°F (71°C)
• Thermostat can be swapped with other Mishimoto thermostats to customize opening temperatures
• Includes a bypass valve option for constant fluid flow, ideal for extreme driving or hot climates
• Improved fluid flow reduces transmission heat buildup compared to the factory valve
• Direct-fit design connects seamlessly to all OEM transmission cooler lines without modifications
• Durable black anodized finish resists corrosion and adds a sleek under-hood appearance
• Backed by the Mishimoto Lifetime Warranty for long-term reliability and peace of mind

Construction & Design

The valve body is precision CNC-machined from billet aluminum, providing exceptional durability and resistance to wear. Its integrated heat sink design enhances heat dissipation, improving the cooling efficiency of the transmission fluid beyond what the stock valve can achieve. The black anodized finish not only protects against corrosion but also delivers a clean, performance-oriented look under the hood.

The included thermostat is fully serviceable, allowing for easy maintenance or customization to suit specific cooling needs. This thoughtful engineering ensures the valve kit maintains optimal operation over the life of the vehicle.

Installation & Fitment

Installation of the Mishimoto Thermal Bypass Valve Kit is straightforward and can typically be completed within one hour using basic hand tools. Designed as a direct replacement for the factory thermal bypass valve, it connects directly to all OEM transmission cooler lines without requiring any additional modifications or adapters. This ensures a hassle-free upgrade experience for both professional technicians and knowledgeable enthusiasts.

This kit fits the following vehicles:

• 2012–2023 Chrysler 300 with 3.6L V6 engine
• 2012–2023 Dodge Charger with 3.6L V6 engine
• 2015–2023 Dodge Challenger with 3.6L V6 engine
• 2021–2024 Ram 1500 6.2L TRX

What's Included

• CNC-machined billet aluminum thermal bypass valve body with integrated heat sink
• Fully serviceable thermostat calibrated to open at 160°F (71°C)
• Thermostat bypass valve for constant fluid flow option
• All necessary seals and hardware for installation
• Detailed installation instructions

Ideal For

This transmission thermal bypass valve kit is perfect for Mopar owners seeking to improve transmission cooling reliability and performance. It is especially beneficial for:

• Drivers in hot climates or those who frequently tow or haul heavy loads
• Performance enthusiasts who push their vehicles hard on the street or track
• Owners looking to replace the factory valve prone to failure and overheating issues
• Anyone wanting a durable, long-lasting upgrade backed by a lifetime warranty

Mishimoto is a performance cooling brand offering aluminum radiators, intercoolers, oil coolers, hoses, and supporting hardware built to manage heat on hard-driven street and track vehicles. For boosted setups and towing/off-road rigs alike, Mishimoto upgrades are designed to increase cooling capacity and reliability where factory systems can become a limitation.