{"product_id":"mishimoto-full-flow-transmission-thermal-bypass-valve-kit-for-jeep-grand-cherokee-2016-2020","title":"Mishimoto Full-Flow Transmission Thermal Bypass Valve Kit for Jeep Grand Cherokee (2016-2020)","description":"The transmission is the backbone of your Grand Cherokee. It's responsible for transmitting large quantities of torque from your V8 or 3.0L EcoDiesel powerplant. That much torque generates a lot of heat, and if that heat isn't dissipated, it can destroy your transmission. The transmission cooler does a good job of keeping trans fluid temperatures in check, but only if the fluid can reach it. The stock cooling system of the 8HP transmission utilizes an in-line thermal bypass valve that controls fluid flow to the transmission cooler. The purpose of this valve is to prevent transmission fluid from flowing to the cooler until it reaches operating temperature. The thermostat inside this valve is prone to failure, however, and when that happens, the fluid never flows to the cooler, and the transmission can overheat. That's why Mishimoto has developed a full-flow thermal bypass valve upgrade for your 2016-2020 Jeep Grand Cherokee. The Mishimoto thermal bypass valve kit includes an all-aluminum CNC-machined housing that replaces the stock unit. This full-flow valve allows fluid to pump through the cooler as soon as the vehicle is started, eliminating the potential failure point of the stock bypass and providing cooling benefits. The full-flow design is beneficial to vehicles operating in hot climates, extreme driving conditions, or towing heavy loads. As with Mishimoto products, this Full-Flow Transmission Thermal Bypass Valve Kit includes our signature Lifetime Warranty.\nAutomatic transmission oil cooler designed to regulate fluid temperature and prevent overheating. Enhances transmission longevity, maintains performance, and features durable construction with a precise fit.\n\u003cul\u003e\n  \u003cli\u003eDurable CNC-machined billet aluminum construction\u003c\/li\u003e\n  \u003cli\u003eEliminates failure-prone bypass valve\u003c\/li\u003e\n  \u003cli\u003eInstalls in less than 1 hour\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Mishimoto Full-Flow Transmission Thermal Bypass Valve Kit is designed to improve the cooling efficiency and reliability of your 2016-2020 Jeep Grand Cherokee's automatic transmission. This upgrade replaces the stock in-line thermal bypass valve, which is prone to failure and can cause transmission overheating. Crafted from durable CNC-machined billet aluminum, the housing provides a robust and precise fit that ensures long-lasting performance. The full-flow design allows transmission fluid to reach the cooler immediately upon engine start, preventing heat buildup and maintaining optimal operating temperatures even under extreme driving conditions or heavy towing. This enhancement is especially beneficial for vehicles operating in hot climates or subjected to demanding driving environments, helping to extend transmission life and sustain vehicle performance. The installation process is straightforward, typically completed in less than an hour, making it a practical upgrade for Jeep owners seeking to improve their vehicle’s thermal management. As part of Mishimoto’s commitment to quality, this kit includes a lifetime warranty, ensuring peace of mind and reliable operation over the long term. Proper transmission cooling is critical for maintaining transmission efficiency, preventing costly repairs, and ensuring smooth shifting, making this full-flow bypass valve a valuable addition to your Jeep Grand Cherokee. Suitable for models from 2016 through 2018, this product is a reliable solution to avoid overheating issues caused by the stock bypass valve's thermostat failure and to enhance your vehicle’s overall durability.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDurable CNC-machined billet aluminum construction for long-lasting performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEliminates failure-prone stock bypass valve for improved reliability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAllows immediate transmission fluid flow to cooler upon engine start\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEasy installation typically completed in less than 1 hour\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned to enhance transmission cooling efficiency and prevent overheating\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2016 Jeep Grand Cherokee 75th Anniversary\u003cbr\u003e\n2016 Jeep Grand Cherokee Laredo\u003cbr\u003e\n2016 Jeep Grand Cherokee Limited\u003cbr\u003e\n2016 Jeep Grand Cherokee Overland\u003cbr\u003e\n2016 Jeep Grand Cherokee SRT\u003cbr\u003e\n2016 Jeep Grand Cherokee Summit\u003cbr\u003e\n2017 Jeep Grand Cherokee Laredo\u003cbr\u003e\n2017 Jeep Grand Cherokee Limited\u003cbr\u003e\n2017 Jeep Grand Cherokee Overland\u003cbr\u003e\n2017 Jeep Grand Cherokee SRT\u003cbr\u003e\n2017 Jeep Grand Cherokee Summit\u003cbr\u003e\n2017 Jeep Grand Cherokee Trailhawk\u003cbr\u003e\n2018 Jeep Grand Cherokee Altitude\u003cbr\u003e\n2018 Jeep Grand Cherokee High Altitude\u003cbr\u003e\n2018 Jeep Grand Cherokee Laredo\u003cbr\u003e\n2018 Jeep Grand Cherokee Limited\u003cbr\u003e\n2018 Jeep Grand Cherokee Overland\u003cbr\u003e\n2018 Jeep Grand Cherokee SRT\u003cbr\u003e\n2018 Jeep Grand Cherokee Summit\u003cbr\u003e\n2018 Jeep Grand Cherokee Trackhawk\u003cbr\u003e\n2018 Jeep Grand Cherokee Trailhawk\u003cbr\u003e\n2019 Jeep Grand Cherokee Altitude\u003cbr\u003e\n2019 Jeep Grand Cherokee High Altitude\u003cbr\u003e\n2019 Jeep Grand Cherokee Laredo\u003cbr\u003e\n2019 Jeep Grand Cherokee Limited\u003cbr\u003e\n2019 Jeep Grand Cherokee Limited X\u003cbr\u003e\n2019 Jeep Grand Cherokee Overland\u003cbr\u003e\n2019 Jeep Grand Cherokee SRT\u003cbr\u003e\n2019 Jeep Grand Cherokee Summit\u003cbr\u003e\n2019 Jeep Grand Cherokee Trackhawk\u003cbr\u003e\n2019 Jeep Grand Cherokee Trailhawk\u003cbr\u003e\n2019 Jeep Grand Cherokee Upland\u003cbr\u003e\n2020 Jeep Grand Cherokee Altitude\u003cbr\u003e\n2020 Jeep Grand Cherokee High Altitude\u003cbr\u003e\n2020 Jeep Grand Cherokee Laredo\u003cbr\u003e\n2020 Jeep Grand Cherokee Limited\u003cbr\u003e\n2020 Jeep Grand Cherokee Limited X\u003cbr\u003e\n2020 Jeep Grand Cherokee Overland\u003cbr\u003e\n2020 Jeep Grand Cherokee SRT\u003cbr\u003e\n2020 Jeep Grand Cherokee Summit\u003cbr\u003e\n2020 Jeep Grand Cherokee Trackhawk\u003cbr\u003e\n2020 Jeep Grand Cherokee Trailhawk\u003cbr\u003e\n2020 Jeep Grand Cherokee Upland\u003cbr\u003e\n2021 Jeep Grand Cherokee 80th Anniversary\u003cbr\u003e\n2021 Jeep Grand Cherokee High Altitude\u003cbr\u003e\n2021 Jeep Grand Cherokee Laredo E\u003cbr\u003e\n2021 Jeep Grand Cherokee Laredo X\u003cbr\u003e\n2021 Jeep Grand Cherokee Limited\u003cbr\u003e\n2021 Jeep Grand Cherokee Overland\u003cbr\u003e\n2021 Jeep Grand Cherokee SRT\u003cbr\u003e\n2021 Jeep Grand Cherokee Summit\u003cbr\u003e\n2021 Jeep Grand Cherokee Trackhawk\u003cbr\u003e\n2021 Jeep Grand Cherokee Trailhawk\u003cbr\u003e\n2021 Jeep Grand Cherokee L Altitude\u003cbr\u003e\n2021 Jeep Grand Cherokee L Laredo\u003cbr\u003e\n2021 Jeep Grand Cherokee L Limited\u003cbr\u003e\n2021 Jeep Grand Cherokee L Overland\u003cbr\u003e\n2021 Jeep Grand Cherokee L Summit\u003cbr\u003e\n2021 Jeep Grand Cherokee L Summit Reserve\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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