Mishimoto Silicone Radiator Hose Kit

2012–2018 Jeep Wrangler 3.6L V6

Part #: MMHOSE-WR6-12MBK

Overview

Upgrade your Jeep Wrangler’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 high-quality silicone hoses that deliver superior heat resistance, durability, and longevity. Designed for Jeep enthusiasts who demand reliability and style, these hoses ensure optimal cooling system performance whether you’re navigating rugged off-road terrain or driving daily.

Unlike traditional rubber hoses that deteriorate over time due to heat and pressure, Mishimoto’s silicone hoses maintain their integrity under extreme conditions. The sleek matte black finish adds a clean, aggressive look that complements the Wrangler’s rugged design. Backed by Mishimoto’s industry-leading Lifetime Warranty, this hose kit is a smart investment in your vehicle’s cooling system reliability and appearance.

Key Features

This silicone radiator hose kit combines durability, performance, and style to enhance your Jeep Wrangler’s cooling system. Key features include:

• Constructed from five layers of premium silicone with embedded heat-resistant fibers for exceptional strength and flexibility
• Includes both upper and lower radiator hoses engineered for a precise, direct fit on Jeep Wrangler 3.6L V6 models
• Improved heat tolerance to withstand extreme engine temperatures and harsh off-road conditions
• Enhanced pressure resistance to prevent hose swelling, cracking, or bursting under demanding use
• Matte black finish provides a clean, aggressive look that complements the Jeep’s rugged styling
• Four included worm-gear clamps ensure a secure, leak-free installation
• Compatible with a wide range of Jeep Wrangler trims including Rubicon, Sahara, Sport, Sport S, Moab, and 75th Anniversary editions
• Backed by Mishimoto’s Lifetime Warranty for long-term peace of mind

Construction & Design

The Mishimoto Silicone Radiator Hose Kit features a robust five-layer construction that balances flexibility with toughness. The inner layers are made from high-grade silicone that resists cracking, swelling, and degradation caused by heat and coolant chemicals. Embedded heat-resistant fibers reinforce the hoses, allowing them to maintain shape and structural integrity under high pressure and temperature fluctuations common in off-road and performance driving.

The matte black finish not only enhances visual appeal but also provides resistance to UV damage and environmental wear, ensuring the hoses retain their appearance and functionality over time. Each hose is precision-molded to match the exact contours and dimensions of the Jeep Wrangler’s radiator connections, guaranteeing a secure, leak-free fit without the need for modifications.

Installation & Fitment

Installation is straightforward and requires only basic hand tools. The kit includes four worm-gear clamps that provide a tight seal and simplify the hose replacement process. These hoses are direct-fit replacements for the factory rubber radiator hoses on Jeep Wrangler models equipped with the 3.6L V6 engine from 2012 to 2018, including the 2018 Wrangler JK.

No cutting, trimming, or additional modifications are necessary, making this an ideal upgrade for both professional mechanics and DIY enthusiasts. The durable construction ensures reliable performance in demanding environments, from daily commuting to intense off-road adventures.

What's Included

• Upper radiator hose (matte black silicone)
• Lower radiator hose (matte black silicone)
• Four worm-gear clamps for secure installation

Ideal For

This Mishimoto Silicone Radiator Hose Kit is perfect for Jeep Wrangler owners who want to improve their vehicle’s cooling system reliability and appearance. It is especially suited for:

• Off-road enthusiasts who expose their Jeep to extreme heat and pressure conditions
• Drivers seeking a durable, long-lasting upgrade over factory rubber hoses
• Jeep owners looking to maintain or enhance their vehicle’s factory performance and reliability
• Anyone wanting a clean, matte black finish to complement their Jeep’s rugged styling

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.