Description
California residents: This product is not California CARB-exempt and has not gone through the testing for an EO number. We can not, and will not ship to residents of California. We appreciate your understanding.
Benefits of the Thermal Bypass Valve:
- Extended Lifespan: Heat is a transmission’s worst enemy. With the Thermal Bypass Valve in place, your transmission components are protected from the excessive wear and tear associated with overheating, extending the lifespan of your transmission.
- Reduced Maintenance Costs: Fewer overheating-related issues mean fewer visits to the mechanic. Installing the Thermal Bypass Valve can help you save on costly transmission repairs.
- Easy Installation: The Thermal Bypass Valve is designed to be user-friendly, making installation a breeze for both DIY enthusiasts and professional mechanics.
- Compatibility: Our Thermal Bypass Valve is engineered specifically for the 8HP70 and 8HP75 transmissions, ensuring a seamless fit and reliable performance.
- Peace of Mind: You can hit the road with confidence, knowing that your transmission is protected from the perils of overheating, no matter where your adventures take you.
How it works:
This thermal bypass valve is a low cost solution to eliminate the thermostat and block flow through the heater circuit. Fluid flows through the cooler circuit only, exactly as if the stock thermostat was fully hot/open.
Real-world temperature results of the Thermal Bypass Valve:
104°F / 40°C (ambient) Texas summer at operating temp (unloaded): 150°F / 65.5°C
0°F / -18°C (ambient) Pennsylvania winter at operating temp (unloaded): 100°F / 38°C
Installation Instructions are available here.
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|---|---|---|---|
| 2026 | Ram | 1500 | Big Horn, Express, Laramie, Limited, Limited Longhorn, Lone Star, RHO, Rebel, Tradesman, Tungsten, Warlock | 3.0L L6 – Gas, 3.6L V6 – Electric/Gas with 8-speed transmission. |
| 2025 | Ram | 1500 | Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, RHO, Rebel, Tradesman, Tradesman HFE, Tungsten, Warlock | 3.0L L6 – Gas, 3.6L V6 – Electric/Gas with 8-speed transmission. |
| 2024 | Ram | 1500 | Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, Rebel, Tradesman | 3.6L V6 – Electric/Gas, 5.7L V8 – Electric/Gas, 5.7L V8 – Gas with 8-speed transmission. |
| 2024 | Ram | 1500 Classic | Tradesman, Warlock | 3.6L V6 – Flex, 5.7L V8 – Gas with 8-speed transmission. |
| 2023 | Jeep | Grand Wagoneer | Base, Obsidian, Series II, Series III, Series III Obsidian | 6.4L V8 – Gas with 8-speed transmission. |
| 2023 | Jeep | Wagoneer | Base | 5.7L V8 – Electric/Gas with 8-speed transmission. |
| 2023 | Ram | 1500 | Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, Rebel, Tradesman | 3.0L V6 – Diesel, 3.6L V6 – Electric/Gas, 5.7L V8 – Electric/Gas, 5.7L V8 – Gas with 8-speed transmission. |
| 2023 | Ram | 1500 Classic | Tradesman, Warlock | 3.6L V6 – Flex, 5.7L V8 – Gas with 8-speed transmission. |
| 2022 | Jeep | Grand Wagoneer | Obsidian, Series I, Series II, Series III | 6.4L V8 – Gas with 8-speed transmission. |
| 2022 | Jeep | Wagoneer | Series II, Series III | 5.7L V8 – Electric/Gas with 8-speed transmission. |
| 2022 | Ram | 1500 | Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, Rebel, Tradesman | 3.0L V6 – Diesel, 3.6L V6 – Electric/Gas, 5.7L V8 – Electric/Gas, 5.7L V8 – Gas with 8-speed transmission. |
| 2022 | Ram | 1500 Classic | Express, SLT, Tradesman, Warlock | 3.6L V6 – Flex, 5.7L V8 – Gas with 8-speed transmission. |
| 2021 | Ram | 1500 | Big Horn, HFE, Laramie, Limited, Limited Longhorn, Lone Star, Rebel, Tradesman | 3.0L V6 – Diesel, 3.6L V6 – Electric/Gas, 5.7L V8 – Electric/Gas, 5.7L V8 – Gas with 8-speed transmission. |
| 2021 | Ram | 1500 Classic | Express, SLT, Tradesman, Warlock | 3.6L V6 – Flex, 5.7L V8 – Gas with 8-speed transmission. |
| 2020 | Ram | 1500 | Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, Rebel, Tradesman | 3.0L V6 – Diesel, 3.6L V6 – Electric/Gas, 5.7L V8 – Electric/Gas, 5.7L V8 – Gas with 8-speed transmission. |
| 2020 | Ram | 1500 Classic | Express, SLT, Special Service, Tradesman, Warlock | 3.6L V6 – Flex, 5.7L V8 – Gas with 8-speed transmission. |
| 2019 | Ram | 1500 | Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, Rebel, Tradesman | 3.6L V6 – Electric/Gas, 5.7L V8 – Electric/Gas, 5.7L V8 – Gas with 8-speed transmission. |
| 2019 | Ram | 1500 Classic | Big Horn, Express, Laramie, Lone Star, SLT, Special Service, Tradesman, Warlock | 3.0L V6 – Diesel, 3.6L V6 – Flex, 5.7L V8 – Gas with 8-speed transmission. |
| 2018 | Ram | 1500 | Big Horn, Express, Laramie, Laramie Longhorn, Limited, Lone Star, Rebel, SLT, Special Service, Sport, Tradesman | 3.0L V6 – Diesel, 3.6L V6 – Flex, 5.7L V8 – Gas with 8-speed transmission. |
| 2017 | Ram | 1500 | Big Horn, Express, Laramie, Laramie Longhorn, Limited, Lone Star, Rebel, SLT, Special Service, Sport, Tradesman | 3.0L V6 – Diesel, 3.6L V6 – Flex, 5.7L V8 – Gas with 8-speed transmission. |
| 2016 | Ram | 1500 | Big Horn, Express, HFE, Laramie, Laramie Longhorn, Limited, Lone Star, Outdoorsman, Rebel, SLT, Special Service, Sport, Tradesman | 3.0L V6 – Diesel, 3.6L V6 – Flex, 5.7L V8 – Gas with 8-speed transmission. |
| 2015 | Ram | 1500 | Big Horn, Express, HFE, Laramie, Laramie Limited, Laramie Longhorn, Limited, Lone Star, Outdoorsman, Rebel, SLT, Special Service, Sport, Tradesman | 3.0L V6 – Diesel, 3.6L V6 – Flex, 5.7L V8 – Gas with 8-speed transmission. |
| 2014 | Ram | 1500 | Big Horn, Express, HFE, Laramie, Laramie Limited, Laramie Longhorn, Lone Star, Outdoorsman, SLT, Special Service, Sport, Tradesman | 3.0L V6 – Diesel, 3.6L V6 – Flex, 5.7L V8 – Gas with 8-speed transmission. |
| 2013 | Ram | 1500 | Big Horn, Express, HFE, Laramie, Laramie Longhorn, Outdoorsman, R/T, SLT, Sport, Tradesman | 3.6L V6 – Flex, 4.7L V8 – Flex, 5.7L V8 – Gas with 8-speed transmission. |





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