Mishimoto Transmission Cooler Kit: Jeep Wrangler 2007-2011

Mishimoto Transmission Cooler Kit

2007–2011 Jeep Wrangler 3.8L 42RLE

MMTC-WRA-07

Overview:

The Mishimoto Transmission Cooler Kit is a direct-fit upgrade designed specifically for Jeep Wrangler models from 2007 to 2011 equipped with the 3.8L engine and 42RLE transmission. Known for experiencing elevated transmission fluid temperatures during off-road adventures or in hot climates, the Jeep JK benefits greatly from enhanced cooling solutions. This kit effectively reduces transmission fluid temperatures, helping to prevent premature transmission wear and improve overall vehicle reliability and safety.

Engineered with precision brackets and a large 19-row bar-and-plate cooler, this kit mounts seamlessly in the front grille area to maximize airflow and cooling efficiency. It is an ideal addition for Jeep enthusiasts looking to maintain optimal transmission performance under demanding conditions.

Key Features:

Designed to deliver superior cooling performance and ease of installation, the Mishimoto Transmission Cooler Kit offers the following key features:

• Direct-fit design tailored for Jeep Wrangler JK chassis (2007–2011)
• Large 19-row bar-and-plate cooler for efficient heat dissipation
• Precision-engineered mounting brackets for secure and straightforward installation
• Significant reduction in transmission fluid temperatures to extend transmission life
• Includes all necessary lines and hardware for a complete installation
• Compatible with Mishimoto Jeep JK oil cooler kit and all-aluminum radiator for comprehensive cooling upgrades
• Durable construction designed to withstand off-road and harsh environmental conditions
• Backed by Mishimoto’s lifetime warranty for long-term peace of mind

Construction & Design:

The transmission cooler features a robust bar-and-plate design, which provides superior cooling efficiency compared to traditional tube-and-fin coolers. Constructed from high-quality aluminum, the cooler offers excellent heat transfer capabilities while maintaining a lightweight profile. The included mounting brackets are precision-engineered to fit the Jeep Wrangler JK’s front grille area, ensuring maximum airflow without requiring modifications to the vehicle’s bodywork.

All lines and fittings are designed for durability and leak-free performance, making this kit a reliable upgrade for both daily driving and extreme off-road use.

Installation & Fitment:

Installation is straightforward thanks to the direct-fit design and included hardware. The kit mounts securely in the front grille area using the supplied brackets, maximizing airflow to the cooler. All necessary transmission lines are included, allowing for a clean and professional installation without the need for additional parts or modifications.

This kit fits the following Jeep Wrangler models:

• Jeep Wrangler 3.8L 42RLE (2007–2011)
• Jeep Wrangler 70th Anniversary (2011)
• Jeep Wrangler Rubicon (2007–2011)
• Jeep Wrangler Sahara (2007–2011)
• Jeep Wrangler Sport (2010–2011)
• Jeep Wrangler Unlimited 70th Anniversary (2011)
• Jeep Wrangler Unlimited Rubicon (2007–2011)
• Jeep Wrangler Unlimited Sahara (2007–2011)
• Jeep Wrangler Unlimited Sport (2010–2011)
• Jeep Wrangler Unlimited X (2007–2010)
• Jeep Wrangler X (2007–2010)

What's Included:

• 19-row bar-and-plate transmission cooler
• Precision mounting brackets
• All necessary transmission lines and fittings
• Installation hardware
• Detailed installation instructions

Ideal For:

This transmission cooler kit is ideal for Jeep Wrangler JK owners who frequently tow, off-road, or drive in hot climates where transmission fluid temperatures can rise dangerously high. It is also a perfect upgrade for those seeking to extend the life of their transmission and improve overall vehicle safety and reliability. When paired with Mishimoto’s Jeep JK oil cooler kit and all-aluminum radiator, it provides a comprehensive cooling solution for demanding driving conditions.