SKU: 3515128069

Mishimoto Mopar Pentastar / Hemi Thermal Bypass Valve Upgrade

$81.86 $90.95
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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25

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Description

Mishimoto Mopar Pentastar / Hemi Thermal Bypass Valve UpgradeThe transmission in your Jeep Wrangler is the heart of its drivetrain. Whether you're hauling groceries or hitting the trail, it's vital to keep it performing at its best, and keeping the transmission fluid cool is crucial to that goal. In an attempt to balance drivability and the health of your transmission, Jeep fitted a thermostatic bypass valve to the lines that feed the transmission cooler. This valve ensures fluid doesn't flow through the cooler

The transmission in your Jeep Wrangler is the heart of its drivetrain. Whether you're hauling groceries or hitting the trail, it's vital to keep it performing at its best, and keeping the transmission fluid cool is crucial to that goal. In an attempt to balance drivability and the health of your transmission, Jeep fitted a thermostatic bypass valve to the lines that feed the transmission cooler. This valve ensures fluid doesn't flow through the cooler before the transmission reaches operating temperature, preventing overcooling in cold environments. However, when the thermostat in this valve fails, it's almost a guarantee your transmission will overheat. Moreover, those who live in hot climates will likely never have to worry about overcooling, rendering the valve a useless flow restriction. That's why Mishimoto has developed a full-flow thermostatic bypass valve for the 2012-2018 Jeep Wrangler. 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 all Mishimoto products, this Full-Flow Transmission Thermal Bypass Valve Kit includes our signature Lifetime Warranty.

This Part Fits:

Year Make Model Submodel
2005-2007,2011-2014 Chrysler 300 Base
2005-2014 Chrysler 300 C
2012-2014 Chrysler 300 C Luxury
2005-2010 Chrysler 300 C SRT8
2005-2012 Chrysler 300 Limited
2008-2009 Chrysler 300 LX
2010,2012-2014 Chrysler 300 S
2009 Chrysler 300 Signature Series
2012-2014 Chrysler 300 SRT8
2013 Chrysler 300 SRT8 Core
2005-2010 Chrysler 300 Touring
2009-2014 Dodge Challenger R/T
2012 Dodge Challenger R/T Classic
2014 Dodge Challenger Rallye Redline
2009-2011 Dodge Challenger SE
2008-2014 Dodge Challenger SRT8
2012-2014 Dodge Challenger SXT
2012 Dodge Challenger SXT Plus
2006-2007 Dodge Charger Base
2017-2018 Dodge Charger Daytona
2017-2018 Dodge Charger Daytona 392
2006 Dodge Charger Daytona R/T
2018-2019 Dodge Charger GT
2018 Dodge Charger GT Plus
2006-2019 Dodge Charger Pursuit
2006-2019 Dodge Charger R/T
2017-2018 Dodge Charger R/T 392
2015-2016 Dodge Charger R/T Road & Track
2015-2018 Dodge Charger R/T Scat Pack
2019 Dodge Charger Scat Pack
2006-2017 Dodge Charger SE
2015-2018 Dodge Charger SRT 392
2015-2019 Dodge Charger SRT Hellcat
2006-2010,2012-2014 Dodge Charger SRT8
2006-2010,2012-2019 Dodge Charger SXT
2012,2018 Dodge Charger SXT Plus
2018 Dodge Charger SXT Plus Leather
2011-2013 Dodge Durango Citadel
2011-2013 Dodge Durango Crew
2011 Dodge Durango Express
2011 Dodge Durango Heat
2011-2013 Dodge Durango R/T
2012-2013 Dodge Durango Special Service
2012-2013 Dodge Durango SXT
2005-2008 Dodge Magnum R/T
2005-2008 Dodge Magnum SE
2006-2008 Dodge Magnum SRT8
2005-2008 Dodge Magnum SXT
2005 Dodge Magnum SXT Special Edition
2010-2011 Dodge Nitro Detonator
2010-2011 Dodge Nitro Heat
2007-2009 Dodge Nitro R/T
2009-2011 Dodge Nitro SE
2010-2011 Dodge Nitro Shock
2007-2009 Dodge Nitro SLT
2007-2008,2010-2011 Dodge Nitro SXT
2009-2010 Jeep Commander Limited
2009 Jeep Commander Overland
2009-2010 Jeep Commander Sport
2007-2013 Jeep Grand Cherokee Laredo
2007-2013 Jeep Grand Cherokee Limited
2007-2009,2011-2013 Jeep Grand Cherokee Overland
2012 Jeep Grand Cherokee Overland Summit
2007-2010,2012-2013 Jeep Grand Cherokee SRT8
2012 Jeep Liberty Jet
2008,2011-2012 Jeep Liberty Limited
2011 Jeep Liberty Renegade
2008,2011-2012 Jeep Liberty Sport
2016 Jeep Wrangler 75th Anniversary
2012-2018 Jeep Wrangler Rubicon
2012-2017 Jeep Wrangler Sahara
2012-2018 Jeep Wrangler Sport
2016,2018 Jeep Wrangler Sport S
2016 Jeep Wrangler Unlimited 75th Anniversary
2018 Jeep Wrangler Unlimited Moab
2012-2018 Jeep Wrangler Unlimited Rubicon
2012-2018 Jeep Wrangler Unlimited Sahara
2012-2018 Jeep Wrangler Unlimited Sport
2016,2018 Jeep Wrangler Unlimited Sport S
2018 Jeep Wrangler JK Rubicon
2018 Jeep Wrangler JK Sahara
2018 Jeep Wrangler JK Sport
2018 Jeep Wrangler JK Sport S
2018 Jeep Wrangler JK Unlimited Rubicon
2018 Jeep Wrangler JK Unlimited Sahara
2018 Jeep Wrangler JK Unlimited Sport
2018 Jeep Wrangler JK Unlimited Sport S
2012-2020 Ram 1500 Big Horn
2012-2018 Ram 1500 Express
2013-2020 Ram 1500 HFE
2012-2020 Ram 1500 Laramie
2014-2015 Ram 1500 Laramie Limited
2012-2020 Ram 1500 Laramie Longhorn
2015-2020 Ram 1500 Limited
2014-2020 Ram 1500 Lone Star
2012-2016 Ram 1500 Outdoorsman
2013 Ram 1500 R/T
2015-2020 Ram 1500 Rebel
2012-2018 Ram 1500 SLT
2014-2018,2020 Ram 1500 Special Service
2012-2018 Ram 1500 Sport
2012 Ram 1500 ST
2012-2020 Ram 1500 Tradesman
2012 Ram 1500 Tradesman HD
2013 Ram 2500 Big Horn
2012-2013 Ram 2500 Laramie
2012-2013 Ram 2500 Laramie Longhorn
2013 Ram 2500 Lone Star
2012-2013 Ram 2500 Outdoorsman
2012-2013 Ram 2500 Power Wagon
2012-2013 Ram 2500 SLT
2012-2013 Ram 2500 ST
2013 Ram 2500 Tradesman
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 3515128069

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4.6 ★★★★★
Based on 24 reviews
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Product Reviews
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Verified Purchase
Carolyn V
Pawtucket, US
★★★★★ 5
Comfort at its best
Model: Soft-2PK, Size: Queen
Excellent pillows! Like sleeping in a high end hotel! Gonna switch all of my beds over.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
S
Verified Purchase
Sweetpea
Houston, US
★★★★★ 5
Firm/No Pillowcase To Fit/Gives Full Neck & Head Support
Color: White, Size: Standard
While the material cover is soft and the filling in the pillow itself is soft, there is too much filling stuffed inside. But to be fair I have a serious neck problem. I feel that if we were given the option to remove some of the filling to meet our comfort level then this would be the perfect pillow. I have been trying to find a pillow with that option. I will be cutting the pillow to remove the filling and place it in another pillow that has a zipper on the side to add inside. Over the yrs that pillow stuffing has become lumpy and needed replacing and can’t find another like it or the right filling. Luckily this pillow has the right stuffing so I am happy with my purchase. My husband has the second pillow and does agree with me that it is a bit on the firm side but he likes the firmness of it and it does support his head & neck well and it is comfortable. Only big issue for us is that there are no pillowcases to fit. When trying to fit a pillowcase on it - it makes the pillow way too tight & firm and uncomfortable. They need to make a pillowcase for this pillow. A standard, Queen, king does not fit. UPDATE: 1/13/2025 This order came with 2 pillows. My husband has the 2nd pillow and so far he has no complaints with the pillow. For me to be fair I have serious issues with my neck. I have a lot of hardware in my neck including several small rods in my neck so to find a good pillow to be comfortable is very difficult to find. My only solution is to have a pillow with a zipper which I can remove or add the filling as needed, it just has to be the right kind of filling. This pillow has the right kind of filling to where I can put inside my original pillow that I have. Over time the filling just becomes lumpy and uncomfortable to which I need to refill with new filling. After a long search I found this pillow which had the same kind of filling I’ve been looking for to restuff my pillow. So with that said I can’t really review this product myself except to say that it has the right filling inside to help me with my sleeping but I can say with what my husband tells me which is he has no complaints, in fact he is happy with it and it supports his head & neck well. If you have a serious neck problem this might not be the pillow for you unless you already have a pillow with a zipper and can restuff it with any kind of filling then I do recommend the filling in this pillow. Sorry for the long review but I do hope it helps anyone who is struggling and is in the same situation as me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2024
A
Verified Purchase
Anita B.
Pawtucket, US
★★★★★ 5
Quality maintained
Color: White, Size: Queen
A client I service has these. She said she got them YEARS ago at Macy’s. Each time I change her linens I admire them for their plumpness. I found the well worn name tag then ordered hoping the quality hadn’t fallen since “years ago.” As pillows differ for everyone, I have found MY comfort level with this pillow.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
P
Verified Purchase
Patty
Carnegie, US
★★★★★ 4
Good quality and soft, but not for everybody.
Color: White, Size: Queen, Color: White, Size: Queen
These pillows are super comfortable if you like thick, firm ones. I absolutely loved them, they feel high-quality and supportive, but they are very thick, and after a while, I started getting some neck pain. That said, over time they do soften up a bit and start to mold better to your body, which helps. I’d definitely recommend them for anyone who likes big, firm pillows, but they’re probably not the best choice for people who prefer something softer or lower.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 15, 2025
L
Verified Purchase
Luana G.
Grantham, US
★★★★★ 5
Soft & support
Color: White, Size: Queen
These pillows are perfect! I was looking for a cushy, lower profile pillow for side sleeping. So soft, supportive and comfortable! I could not believe the high quality at such an affordable price! They are queen size, so I need to purchase new longer pillow cases.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026

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