Mishimoto Silicone Radiator Hose Kit

2012–2018 Jeep Wrangler JK 3.6L V6

Part #: MMHOSE-WR6-12BL

Overview

Upgrade your Jeep Wrangler JK’s cooling system with the Mishimoto Silicone Radiator Hose Kit, engineered specifically for 2012 through 2018 Jeep Wrangler models equipped with the 3.6L V6 engine. This kit replaces the factory rubber radiator hoses with premium silicone hoses that deliver superior durability, heat resistance, and pressure tolerance. Whether you’re navigating tough off-road trails or driving daily on the highway, Mishimoto’s hose kit ensures reliable cooling performance under demanding conditions while enhancing your engine bay with a clean, custom look.

Designed for Jeep enthusiasts who demand long-lasting, high-quality components, this hose kit offers a significant upgrade over OEM rubber hoses that are prone to cracking and deterioration over time. Trust Mishimoto’s proven engineering to maintain optimal coolant flow and keep your Jeep running cooler and more efficiently.

Key Features

The Mishimoto Silicone Radiator Hose Kit combines advanced materials and precision design to provide a direct-fit, high-performance upgrade for your Jeep Wrangler’s cooling system:

• Constructed from five layers of premium silicone for exceptional strength, flexibility, and durability
• Embedded heat-resistant fibers enhance thermal tolerance and prevent hose deformation under extreme temperatures
• Superior pressure resistance compared to standard rubber hoses, reducing the risk of leaks or bursts
• Includes both upper and lower radiator hoses for a complete cooling system refresh
• Four corrosion-resistant worm-gear clamps included for secure, hassle-free installation
• Available in vibrant blue, with additional color options in black or red to match your Jeep’s style
• Engineered for direct OEM replacement with no modifications required
• Backed by the Mishimoto Lifetime Warranty for long-term peace of mind

Construction & Design

Each hose in this kit is precision-engineered using a five-layer silicone construction that incorporates embedded heat-resistant fibers. This multi-layer design provides outstanding durability, allowing the hoses to withstand the extreme temperatures and high pressures commonly encountered during off-road driving and high-performance use. Unlike traditional rubber hoses that degrade from heat, oil, and environmental exposure, Mishimoto silicone hoses maintain their integrity and flexibility over time.

The hoses are molded to match the exact contours and dimensions of the factory radiator hoses, ensuring a perfect fit and optimal coolant flow. The included worm-gear clamps are crafted from corrosion-resistant materials to provide a secure seal and prevent coolant leaks, even in harsh conditions.

Installation & Fitment

The Mishimoto Silicone Radiator Hose Kit is designed for straightforward installation on Jeep Wrangler JK models from 2012 through 2018 equipped with the 3.6L V6 engine. This includes popular trims such as Rubicon, Sahara, Sport, Sport S, Unlimited variants, 75th Anniversary editions, and Moab models. Installation requires no cutting, trimming, or modifications—simply remove the factory rubber hoses and replace them with the Mishimoto silicone hoses using the included clamps.

This direct-fit design ensures a secure, leak-free connection, making it an ideal upgrade for both professional mechanics and DIY enthusiasts seeking enhanced reliability and longevity.

What's Included

• One upper radiator hose
• One lower radiator hose
• Four worm-gear clamps for secure installation

Ideal For

This silicone radiator hose kit is perfect for Jeep Wrangler JK owners who want to improve the reliability and durability of their cooling system components. It is especially suited for off-road enthusiasts, rock crawlers, and anyone looking to upgrade their Jeep’s engine bay with high-quality, long-lasting parts. The vibrant blue color option also appeals to those who want to add a custom visual touch without compromising 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.