Mishimoto Silicone Radiator Hose Kit

2012–2018 Jeep Wrangler 3.6L V6

Part #: MMHOSE-WR6-12BK

Overview

The Mishimoto Silicone Radiator Hose Kit is a premium cooling system upgrade designed specifically for Jeep Wrangler models from 2012 through 2018, including the 2018 Wrangler JK equipped with the 3.6L V6 engine. This kit replaces the factory rubber radiator hoses with high-quality silicone hoses that offer enhanced durability, heat resistance, and a sleek black finish to improve the engine bay’s appearance.

Engineered for Jeep enthusiasts who demand reliable performance both on and off the road, this hose kit ensures your cooling system maintains optimal efficiency under extreme temperatures and pressure. Whether you’re tackling rugged trails or driving daily, Mishimoto’s silicone hoses provide a long-lasting solution that outperforms traditional rubber hoses.

Key Features

Designed to deliver superior performance and durability, the Mishimoto Silicone Radiator Hose Kit includes:

• Constructed from five layers of premium silicone reinforced with embedded heat-resistant fibers for maximum strength
• Engineered to withstand higher temperatures and pressures than OEM rubber hoses
• Complete kit includes both upper and lower radiator hoses for a full cooling system upgrade
• Equipped with four worm-gear clamps for secure, easy installation without additional hardware
• Finished in sleek black silicone to complement and enhance your Jeep’s engine bay aesthetics
• Compatible with multiple Jeep Wrangler trims including Sport, Sahara, Rubicon, Sport S, Unlimited, 75th Anniversary, and Moab editions
• Backed by the Mishimoto Lifetime Warranty for long-term peace of mind

Construction & Design

The Mishimoto Silicone Radiator Hose Kit is expertly crafted from five layers of high-grade silicone, reinforced with heat-resistant fibers embedded throughout the material. This multi-layer construction provides exceptional resistance to cracking, swelling, and deterioration caused by extreme engine heat and pressure fluctuations.

Compared to traditional rubber hoses, the silicone material offers superior flexibility, reducing the risk of hose failure during off-road articulation or engine movement. Each hose is precision-molded to maintain OEM fitment and specifications, ensuring a perfect, leak-free installation that improves overall cooling system reliability.

The black silicone finish not only enhances durability but also adds a clean, professional look to your engine compartment, making it an ideal upgrade for Jeep owners who value both function and style.

Installation & Fitment

Installation of the Mishimoto Silicone Radiator Hose Kit is straightforward and designed as a direct replacement for the factory hoses. The kit includes all necessary worm-gear clamps, allowing for a secure fit without the need for additional hardware or modifications. Most DIY enthusiasts and professional mechanics can complete the installation within a few hours using standard tools.

This hose kit fits the following Jeep Wrangler models equipped with the 3.6L V6 engine:

• Jeep Wrangler (2012–2018) including Sport, Sahara, Rubicon, Sport S, and 75th Anniversary editions
• Jeep Wrangler Unlimited (2012–2018) including Rubicon, Sahara, Sport, Sport S, 75th Anniversary, and Moab editions
• Jeep Wrangler JK (2018) including Rubicon, Sahara, Sport, Sport S, and Unlimited variants

What's Included

• Upper radiator hose
• Lower radiator hose
• Four worm-gear clamps for secure installation

Ideal For

This silicone radiator hose kit is ideal for Jeep Wrangler owners seeking a reliable, long-lasting cooling system upgrade that can withstand the rigors of off-road driving and extreme temperatures. It is perfect for enthusiasts who want to improve their vehicle’s durability and engine bay appearance without compromising OEM fitment or requiring complex installation.

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.