Mishimoto Silicone Radiator Hose Kit

2007–2011 Jeep Wrangler JK 3.8L V6

Part #: MMHOSE-WR6-07BK

Overview

The Mishimoto Silicone Radiator Hose Kit is a premium cooling system upgrade designed specifically for Jeep Wrangler JK models from 2007 to 2011 equipped with the 3.8-liter V6 engine. This kit replaces the factory rubber radiator hoses with durable, high-performance silicone hoses that offer superior heat resistance and pressure tolerance. Ideal for Jeep owners who demand reliability and longevity from their cooling components, this hose kit ensures consistent coolant flow and reduces the risk of hose failure under extreme conditions.

Whether you own a Sport, Sahara, Rubicon, Unlimited, or a special 70th Anniversary edition, this kit provides a direct-fit solution that enhances both the durability and appearance of your engine bay. It is engineered to withstand the rigors of daily driving as well as off-road adventures, making it a trusted upgrade for Jeep enthusiasts.

Key Features

Designed to combine style, strength, and functionality, the Mishimoto Silicone Radiator Hose Kit offers the following benefits:

• Constructed from high-grade silicone reinforced with heat-resistant fibers for maximum durability and flexibility
• Maintains exact OEM fitment for a hassle-free, bolt-on installation with no modifications required
• Higher pressure tolerance compared to standard rubber hoses, reducing the risk of leaks or bursts
• Heat resistance rated up to 330°F (165°C) to withstand harsh engine bay temperatures
• Available in sleek black finish for a clean, professional under-hood appearance
• Efficiently reduces heat soak to help maintain optimal coolant temperatures and engine performance
• Compatible with Jeep Wrangler 3.8L models equipped with 42RLE and NSG370 transmissions
• Engineered to endure tough off-road conditions and daily driving stresses without cracking or swelling

Construction & Design

The Mishimoto hose kit is expertly crafted from premium silicone material embedded with heat-resistant fibers, providing superior strength and flexibility over traditional rubber hoses. This advanced construction allows the hoses to resist cracking, swelling, and collapsing even after prolonged exposure to extreme temperatures and pressure fluctuations. The smooth inner lining promotes efficient coolant flow, minimizing turbulence and improving cooling system efficiency. The robust outer layer protects against abrasion, environmental contaminants, and UV damage, ensuring long-lasting performance and reliability.

Each hose is precision molded to match exact OEM dimensions, guaranteeing a seamless fit and reliable sealing with factory clamps and fittings. This meticulous engineering ensures the hoses integrate perfectly with the vehicle’s cooling system without any need for trimming or adjustments.

Installation & Fitment

Installation of the Mishimoto Silicone Radiator Hose Kit is straightforward and designed as a direct replacement for the factory hoses on 2007 through 2011 Jeep Wrangler JK 3.8L V6 models. The kit fits a wide range of trims including Sport, Sahara, Rubicon, Unlimited, and special 70th Anniversary editions. No cutting, trimming, or additional modifications are necessary, making it an ideal upgrade for both DIY enthusiasts and professional installers seeking a reliable and clean coolant system enhancement.

What's Included

• Complete set of black silicone radiator hoses tailored for 2007–2011 Jeep Wrangler 3.8L 6-cylinder engines
• All necessary clamps and fittings for secure, leak-free installation
• Detailed installation instructions for easy reference

Ideal For

This silicone hose kit is perfect for Jeep Wrangler owners who want to improve their vehicle’s cooling system durability and reliability, especially those who frequently drive in demanding conditions such as off-road trails, hot climates, or heavy towing. It also appeals to enthusiasts seeking a clean, professional appearance under the hood with a high-quality upgrade over stock rubber hoses. Whether restoring, maintaining, or enhancing your Jeep, Mishimoto’s silicone hoses provide peace of mind and lasting performance.

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.