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Mishimoto Transmission Cooler Kit for 2007-2011 Jeep Wrangler JK 3.8L 42RLE

SKU: MISMMTC-WRA-07

Fluid Coolers

MM Transmission Coolers...

Mishimoto Transmission Cooler Kit for 2007-2011 Jeep Wrangler JK 3.8L 42RLE

SKU: MISMMTC-WRA-07

Fluid Coolers

MM Transmission Coolers...

A$868.71
IN STOCK! Est Ship 3-5 days. In stock at 1 location (more than 10 available)

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Description

Mishimoto Transmission Cooler Kit for 2007-2011 Jeep Wrangler JK 3.8L 42RLE

The Jeep JK is known to experience high transmission fluid temperatures, especially when off-roading or driving in hot climates.Mishimoto has developed an ideal upgrade for reducing temperatures with our direct-fit transmission cooler kit, engineered specifically for the JK chassis.This kit uses precision-engineered brackets to mount a large 19-row cooler in the front grille area, thus maximizing airflow and providing significant increases in cooling efficiency.This kIt'significantly reduces transmission fluid temperatures, resulting in decreased transmission wear and improved vehicle safety.The Mishimoto Jeep JK Transmission Cooler Kit includes all lines and hardware necessary for an easy installation.This kit is a perfect complement to the Mishimoto Jeep JK oil cooler kit and the Mishimoto all-aluminum radiator for the ultimate cooling solution for your Jeep JK.As with all our products, this kit includes the Mishimoto lifetime warranty.

Additional Information

Automatic transmission oil cooler designed to regulate fluid temperature and prevent overheating. Enhances transmission longevity, maintains performance, and features durable construction with a precise fit.

Application Summary

2007-2011 Jeep Wrangler 3.8 Liter 42RLE

Part Type

Automatic Transmission Oil Cooler

Product Overview

The Jeep JK is known to experience high transmission fluid temperatures, especially when off-roading or driving in hot climates.Mishimoto has developed an ideal upgrade for reducing temperatures with our direct-fit transmission cooler kit, engineered specifically for the JK chassis.This kit uses precision-engineered brackets to mount a large 19-row cooler in the front grille area, thus maximizing airflow and providing significant increases in cooling efficiency.This kit significantly reduces transmission fluid temperatures, resulting in decreased transmission wear and improved vehicle safety.The Mishimoto Jeep JK Transmission Cooler Kit includes all lines and hardware necessary for an easy installation.This kit is a perfect complement to the Mishimoto Jeep JK oil cooler kit and the Mishimoto all-aluminum radiator for the ultimate cooling solution for your Jeep JK.As with all our products, this kit includes the Mishimoto lifetime warranty.

Data: v4.2 - Upd: 2026-11-08 17:15:27

Features

  • 19-row bar-and-plate oil cooler for efficient cooling
  • Includes brackets for easy installation
  • Reduces transmission fluid temperatures to prevent damage and reduce wear

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Alternate Part Number:MMTC-WRA-07
Color:Silver
Description:Jeep Wrangler JK Transmission Cooler Kit
Install Difficulty:3
Material:Aluminum
OptionLabel:Silver
Part Number:misMMTC-WRA-07
Feature 1:Direct fit for 2007-2011 Jeep Wrangler JK
Feature 2:19-row bar-and-plate oil cooler for efficient cooling
Feature 3:Reduces transmission fluid temperatures to prevent damage and reduce wear
Feature 4:Includes brackets for easy installation
Feature 5:Includes lines and fittings for leak-free performance
Feature 6:Mishimoto Lifetime Warranty
TechSpec Applications:2007-2011 Jeep Wrangler--2007-2011 Jeep Wrangler Unlimited
TechSpec Caution:It is the installer's responsibility to check all thermostat plugs, NPT plugs, line fittings, and other connections to assure they are fully tightened before operating the vehicle. Mishimoto recommends that you check all connections at regular intervals, especially during the first few miles after installation. For additional technical information, contact our customer experience team.
TechSpec Chassis Codes:JK
TechSpec Core Height (in):5.43
TechSpec Core Length (in):11
TechSpec Core Thickness (in):1.97
TechSpec Engine Codes:EGH
TechSpec Includes:Application Specific Mounting Brackets--19-Row Oil Cooler--6ft Black Rubber 3/8-in Transmission--45 -10AN to 3/8-in Barbed Push-On Fittings--Brass 90 Barbed Push-On Fittings--Worm Gear Clamps--Mounting Hardware Set--Mishimoto Lifetime Warranty
TechSpec Inlet:-10AN
TechSpec Installation Notes:22 in-lbs recommended for all worm-gear clamps.--These clamps have an operating range of 18-27 in- 2-3NM.--Do not exceed the maximum torque rating of 27 in-lbs----Recommended torque specification for all straight fittings and banjo bolts: 15-25 lb-ftDo not exceed the maximum torque rating of 35 ft-lb
TechSpec Note:Requires modification to factory transmission cooler lines.
TechSpec Outlet:-10AN
TechSpec Overall Height (in):12.95
TechSpec Overall Length (in):6.44
TechSpec Overall Width (in):1.97
TechSpec Rows:19

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 05:53:14

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Mishimoto
StreetFX SKU misMMTC-WRA-07
SFX Item ID 4050151
Accounting SKU mis-MMTC-WRA-07
Manufacturer SKU MMTC-WRA-07
Manufacturer UPC 748354009545
Alternative References MIMMMTC-WRA-07, MIO-MMTC-WRA-07, MMTC-WRA-07

Transmission Cooler, Heat Sink, Aluminum, Natural, -10 AN Male Threads Inlet/Outlet, Jeep, 3.8L, Kit

Enthusiasts who push their high performance cars to the limit understand the importance of keeping their oil temperatures low to prevent damage, or even seizure of the engine. Mishimoto oil cooler kits are designed to extend the life of your engine by ensuring that your essential high-wear engine components, such as piston rings, skirts, and cam bearings, are sufficiently lubricated with cooler oil. The kits include a durable aluminum oil cooler, stainless steel braided hose lines, fittings, and all necessary adapters. Models are also available to cool transmission oil/fluid. Order the universal or vehicle-specific cooler that's best suited for your application.

Product Attributes
UPC748354009545
BrandMishimoto
NotesIncludes two stainless steel braided hoses, oil filter sandwich plate and fittings.
QuantitySold as a kit.
Part TypeFluid Coolers
Cooler ColorNatural
Fan IncludedNo
Product LineMishimoto Oil Cooler Kits
Cooler MaterialAluminum
Core Width (in.)11.25 in.
Inlet AttachmentMale threads
Core Height (in.)5.50 in.
Fluid Cooler TypeTransmission
Outlet AttachmentMale threads
Cooler ConstructionHeat sink
Overall Width (in.)13.00 in.
Core Thickness (in.)2.00 in.
Overall Height (in.)5.50 in.
Number of Cooling Rows19
Fluid Cooler Inlet Size-10 AN
Overall Thickness (in.)2.00
Fluid Cooler Outlet Size-10 AN
Manufacturer's Part NumberMMTC-WRA-07

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