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Mishimoto Transmission Cooler Kit - Silver (07-11 3.8L Jeep Wrangler JK)

Market Price $300.99 You Save 17% ($50.24)
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$250.75 (kit)

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  • Item J101050

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    Features & Details

    • Reduces Transmission Temperatures
    • 19 Row, Tube and Fin Aluminum Construction
    • Silver Finish
    • Width: 6.44", Length: 12.95", Thickness: 1.97"
    • Straight Forward Installation
    • Limited Lifetime Warranty
    • Designed for use with Automatic Transmissions
    • Fits 2007-2011 Jeep Wrangler JK Models
    Run Cooler. Excessive heat is bad, especially when it comes to an automatic transmission. But now you can keep your automatic Jeep Wrangler running cooler by installing a Mishimoto Automatic Transmission Cooler. A Transmission Cooler is inexpensive insurance that will extend the life of your JK's transmission allowing it to perform at its best.

    Superior Design. Mishimoto manufactures its Automatic Transmission Cooler from 6061 aluminum for its ability to quickly dissipate unwanted heat. Mishimoto engineered its Cooler with a 19 row, tube and fin radiator design to ensure low transmission temperatures. Overall dimensions - width: 6.44", length: 12.95", thickness: 1.97".

    “No Questions Asked” Warranty. Mishimoto Performance warrants all of its products to be free of defects in materials and workmanship with its “no questions asked” limited lifetime warranty policy. Please click here to see the manufacturer's warranty for complete details.

    Application. This silver Mishimoto Automatic Transmission Cooler is designed to fit all 2007-2011 Jeep Wrangler JK models equipped with the 3.8L V6 engine and an automatic transmission.

    Fitment: 2007 2008 2009 2010 2011 Details

    MPN# MMTC-WRA-07

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Transmission Cooler
    • (1) Bracket Set
    • (6 Feet) Rubber Hose
    • (2) Push On 45° Fittings
    • (2) Push On 90° Fittings
    • (6) Worm Gear Clamps
    • Hardware
    Installation Info
    Will it fit my Wrangler?

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    Questions & Answers (4)

    4 Top Rated Questions

    Can this cooler be used as a substitution for the factory cooler, or is it in addition to?

    • This is in addition to if your Jeep has the factory trans cooler.

    Helpful (0)

    what are the difference between transmission cooler mmtc-wra-07bk and mmtc-wra-07

    • These Mishimoto Transmission Cooler Kits are identical but are offered in two different color finishes. The MPN #mmtc-wra-07bk comes finished in a Black Powdercoat while #mmtc-wra-07 comes in the standard silver finish.

    Helpful (0)

    what are the defense between transmission cooler mmtc-wra-07bk and mmtc-wra-07,

    • These Mishimoto Transmission Cooler Kits are identical but are offered in two different color finishes. The MPN #mmtc-wra-07bk comes finished in a Black Powdercoat while #mmtc-wra-07 comes in the standard silver finish.

    Helpful (0)

    I'm new to the jeep modification world and I was wondering if this will work with the 6-speed Manual Transmission?

    • Hello, This is designed for an automatic transmission.

    Helpful (0)
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    Customer Reviews (7) Write a Review

    Overall Rating 4.3

    out of 5 stars

    Installation Time:Afternoon

    Installation Cost:$100-$250

    • Performance Gain 4.571429 4.6
    • Fit 3.571429 3.6
    • Bang For Your Buck 4 4

    • 4/5

      Installation Time: Afternoon

      January 29, 2019

      Does it’s job and more

      Great product. I’ve noticed about a 40-50degF drop in running temps especially on steep grades on the highway that I take on a daily basis. They are short 1 mile climbs at 75mph which I would run up in the 200degF and now it barely tops at 170degF. Haven’t take. It off reading as of yet though. Fit is tight but some modifications do need to be done to the upper radiator support namely a resin bracket that needs to be cut off. Routing is pretty simple and straight forward. I wish though that the provided clamps were a bit shorter. I’m kinda OCD about that. I’ve clipped them and wrapped them in electrical tape so not to introduce chaffing of the adjacent lines. Also the top push plug that is supposed to hold the core to the upper radiator support is just. Just too small and also didn’t line up as suggested in the instructions and the numerous UTube videos. So I just used zip ties for now till I can fashion a nut and bolt fix and tap the radiator support. Also make sure you plumb it properly and not backwards. Makes a big difference in temps and efficiency. Btw, that was not explained in either the instructions or UTube.


      Year: 2010Submodel: Rubicon

      Helpful (4)

    • 4/5

      Installation Time: Shop Install

      Installation Cost: $100-$250

      November 18, 2018

      To hot wrong place solution

      The OBX is no place to be stuck with a a trans overheated........the solution.


      Year: 2011Submodel: Wrangler

      Helpful (10)

    • 5/5

      Installation Time: Less than 1 Hour

      May 22, 2018

      Great product

      Easy install, fits flush and perfect on my 2011 and works great too, saw some reviews before I bought it saying the install was a pain.. It wasnt at all, took maybe an hour tops


      Year: 2011Submodel: Wrangler

      Helpful (11)

    • 5/5

      Installation Time: Less than 1 Hour

      June 08, 2017

      Life Saver

      Before I had this I would have major issues with over heating on the trail, and would have to stop and cool off. With this I don't have to and can go all day long. The price wasn't that bad for what I got, performance sky rocketed, and the fit had to be fabbed a little due to a bad mounting point on the radiator surround. Other than that, I love it. Would buy again.


      Year: 2007Submodel: Wrangler

      Helpful (12)

    • 5/5

      Installation Time: Afternoon

      July 14, 2016

      Awesome Product

      Transcooler that really works!! Quality built and everything you need in the box. Only took a couple of hours to complete. Solved my Trans temp problems!


      Year: 2007Submodel: Rubicon Unlimited

      Helpful (15)

    • 3/5

      Installation Time: Afternoon

      May 02, 2016

      Difficult install improper fit

      One complaint about this product is the installation and fit. Instructions are incomplete and their installation video is moderately helpful. The product, once installed performs as expected and the unit is well built. The issues with the installation: there is a part of the frame that does not allow a straight installation without making a different mounting for the top left (final fit is crooked). The bottom brackets did not align, and had to bend the brackets with a hammer to get them to fit correctly. This should have been a simple 45 minute install but turned into 2 1/2 hours of aggravation.


      Year: 2011Submodel: Rubicon Unlimited

      Helpful (13)

    • 4/5

      Installation Time: Afternoon

      July 17, 2015

      Bracket issues

      The instructions are not very good even with the on line video. The lower brackets didn't allow the top of the cooler to fit in the front radiator brackets. I had to do some modifications. Once installed it works great.


      Year: 2010Rockford, IL, USA

      Helpful (13)

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