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Description
Mishimoto 16-20 Jeep Grand Cherokee Thermal Bypass Valve Kit FFThe 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
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.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016 | Jeep | Grand Cherokee | 75th Anniversary |
| 2021 | Jeep | Grand Cherokee | 80th Anniversary |
| 2018-2020 | Jeep | Grand Cherokee | Altitude |
| 2018-2021 | Jeep | Grand Cherokee | High Altitude |
| 2016-2020 | Jeep | Grand Cherokee | Laredo |
| 2021 | Jeep | Grand Cherokee | Laredo E |
| 2021 | Jeep | Grand Cherokee | Laredo X |
| 2016-2021 | Jeep | Grand Cherokee | Limited |
| 2019-2020 | Jeep | Grand Cherokee | Limited X |
| 2016-2021 | Jeep | Grand Cherokee | Overland |
| 2016-2021 | Jeep | Grand Cherokee | SRT |
| 2016-2021 | Jeep | Grand Cherokee | Summit |
| 2018-2021 | Jeep | Grand Cherokee | Trackhawk |
| 2017-2021 | Jeep | Grand Cherokee | Trailhawk |
| 2019-2020 | Jeep | Grand Cherokee | Upland |
| 2021 | Jeep | Grand Cherokee L | Altitude |
| 2021 | Jeep | Grand Cherokee L | Laredo |
| 2021 | Jeep | Grand Cherokee L | Limited |
| 2021 | Jeep | Grand Cherokee L | Overland |
| 2021 | Jeep | Grand Cherokee L | Summit |
| 2021 | Jeep | Grand Cherokee L | Summit Reserve |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Does not fray.
Size: Medium (23.60")
My 70# poodle loves playing with it. She throws it in the air and catches it and brings it to me and I throw it or I tug with her. It’s very sturdy.
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Rope chew
Size: Medium (23.60")
It’s perfect for an over aggressive dog chewer, especially a puppy has worked phenomenally. Well he has not chewed through it, which is amazing. We’ll get it again, but a bigger one as he grows.
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Reviewed in the United States on March 6, 2026
★★★★★ 4
Good quality and non toxic
Size: Small (12.00")
Nice that’s it’s natural rope untreated and My dog Gabe loves them. He goes through one every two months!
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Reviewed in the United States on March 30, 2026
★★★★★ 1
Tiny mop
Size: Small (12.00"), Size: Small (12.00")
It only lasted about 30 minutes with my medium size English cream retriever now it looks like a tiny mop, completely shredded a waste of money
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Price is right for a dog that chews other toys up fast`
Size: Small (12.00")
Good inexpensive toy for aggressive chewer.
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Reviewed in the United States on June 9, 2026