Mishimoto Engine Oil Cooler Kit

2007–2011 Jeep Wrangler JK 3.8L V6

Part #: MMOC-WRA-07BK

Overview

The Mishimoto Non-Thermostatic Engine Oil Cooler Kit is a precision-engineered cooling solution designed specifically for Jeep Wrangler JK models equipped with the 3.8L V6 engine from 2007 to 2011. This direct-fit kit helps maintain optimal oil temperatures during demanding driving conditions, such as off-road trails or high-heat environments, reducing oil temperatures by up to 40°F. By preventing excessive oil degradation and overheating, it enhances engine longevity and reliability, making it an essential upgrade for Jeep enthusiasts who demand consistent performance and durability from their vehicles.

Built to integrate seamlessly with the Wrangler JK platform, this oil cooler kit offers a robust and efficient method to improve your vehicle’s thermal management without compromising oil pressure or requiring complex modifications. Whether you are a weekend adventurer or a serious off-road enthusiast, this kit ensures your engine stays protected under extreme conditions.

Key Features

The Mishimoto Oil Cooler Kit combines advanced engineering with high-quality materials to deliver superior oil cooling performance and straightforward installation. Key features include:

• Direct-fit design tailored specifically for 2007–2011 Jeep Wrangler JK 3.8L V6 engines
• Reduces engine oil temperatures by up to 40°F, enhancing oil life and engine protection
• Includes precision-engineered, application-specific mounting brackets for a secure and seamless fit
• Premade braided stainless steel oil lines with durable -AN fittings for leak-free, flexible routing
• Billet aluminum oil sandwich plate available in standard or thermostatic versions
• Adds approximately 0.65 quarts to total oil capacity for improved thermal management
• Minimal pressure drop to maintain optimal oil flow and engine performance
• Compatible with Mishimoto Jeep JK transmission cooler kits and all-aluminum radiators for comprehensive cooling upgrades
• Backed by Mishimoto’s lifetime warranty for long-term reliability and peace of mind

Construction & Design

Crafted from premium billet aluminum and stainless steel components, the Mishimoto Oil Cooler Kit is built to withstand harsh off-road environments and resist corrosion. The oil sandwich plate is precision-machined to ensure a perfect seal and consistent oil flow, while the braided stainless steel lines provide superior strength and flexibility compared to conventional rubber hoses. The sleek black finish not only enhances the visual appeal but also adds an extra layer of protection against environmental elements.

Every component is engineered specifically for the Jeep Wrangler JK platform, ensuring a seamless fit without the need for modifications or custom fabrication. This attention to detail guarantees reliable performance and easy integration with your vehicle’s existing engine components.

Installation & Fitment

The Mishimoto Oil Cooler Kit is designed for a straightforward, bolt-on installation using the included hardware and application-specific mounting brackets. Premade braided stainless steel lines simplify routing and connection, reducing installation time and complexity. No permanent modifications or custom fabrication are required, making this kit an ideal upgrade for Jeep owners seeking a reliable oil cooling solution without extensive mechanical work.

This kit fits the following Jeep Wrangler JK models equipped with the 3.8L V6 engine:

• 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

• Billet aluminum oil sandwich plate (standard or thermostatic version)
• Premade braided stainless steel oil lines with -AN fittings
• Application-specific mounting brackets
• All necessary installation hardware
• Detailed installation instructions

Ideal For

This oil cooler kit is ideal for Jeep Wrangler JK owners who frequently drive in high-temperature or off-road conditions where engine oil temperatures can rise rapidly. It is perfect for enthusiasts looking to extend engine life, maintain consistent performance, and complement other Mishimoto cooling upgrades such as transmission coolers and all-aluminum radiators. Whether you are a weekend trail rider or a serious off-road adventurer, this kit provides reliable oil temperature control to keep your Jeep running strong and protected.

Mishimoto is a performance cooling brand offering aluminum radiators, intercoolers, oil coolers, hoses, and supporting hardware built to manage heat on hard-driven street and track vehicles. For boosted setups and towing/off-road rigs alike, Mishimoto upgrades are designed to increase cooling capacity and reliability where factory systems can become a limitation.