Mishimoto Silicone Radiator Hose Kit

2018–2021 Jeep Wrangler JL / 2020–2022 Jeep Gladiator JT 3.6L V6 Automatic

Part #: MMHOSE-JLP-18ARD

Overview

The Mishimoto Silicone Radiator Hose Kit is a premium cooling system upgrade designed specifically for Jeep Wrangler JL models from 2018 to 2021 and Jeep Gladiator JT models from 2020 to 2022, equipped with the 3.6L V6 engine and automatic transmission. This kit replaces the factory plastic radiator hose connectors with durable, high-quality silicone hoses and precision CNC-machined aluminum fittings, providing enhanced heat resistance, durability, and reliability under demanding driving conditions.

Ideal for Jeep enthusiasts who value both performance and style, this hose kit ensures optimal cooling system function whether you are tackling rugged off-road trails or commuting daily. The vibrant red silicone hoses add a striking visual upgrade to your engine bay while delivering long-lasting resistance to heat, pressure, and wear.

Key Features

Engineered to outperform stock components, the Mishimoto Silicone Radiator Hose Kit offers numerous advantages that improve cooling system reliability and aesthetics:

• Replaces fragile factory plastic connectors with robust one-piece silicone hoses
• Features precision CNC-machined aluminum barbs for secure, leak-free connections
• Constructed from five layers of premium silicone reinforced with heat-resistant fibers
• Exceptional heat tolerance to withstand high engine temperatures and harsh environments
• Superior pressure resistance to maintain integrity under demanding cooling system conditions
• Includes both radiator inlet and outlet hoses for a complete cooling system upgrade
• Comes with four worm-gear clamps and a mounting bracket for straightforward installation
• Available in red, black, or blue to match your vehicle’s style preferences
• Backed by Mishimoto’s Lifetime Warranty for peace of mind

Construction & Design

Each hose in this kit is expertly crafted from five layers of high-grade silicone, reinforced with embedded heat-resistant fibers to provide unmatched durability, flexibility, and resistance to cracking, swelling, and deterioration common in stock rubber and plastic hoses. The one-piece hose design reduces potential failure points found in multi-piece stock connectors, enhancing overall cooling system reliability.

The integrated CNC-machined aluminum fittings ensure precise fitment and secure attachment points, eliminating the risk of leaks or hose detachment during off-road use or high-temperature operation. The bright red finish not only enhances engine bay aesthetics but also resists fading and discoloration caused by heat and chemical exposure.

Installation & Fitment

Installation is designed to be straightforward and user-friendly, requiring no special modifications or additional parts. The kit includes all necessary hardware, such as worm-gear clamps and a mounting bracket, to ensure a secure and proper fit. These hoses are engineered to fit precisely on 2018–2021 Jeep Wrangler JL and 2020–2022 Jeep Gladiator JT models equipped with the 3.6L V6 engine and automatic transmission, guaranteeing compatibility and ease of installation.

What's Included

• Radiator inlet silicone hose
• Radiator outlet silicone hose
• Four worm-gear clamps
• Mounting bracket for hose support

Ideal For

This Mishimoto Silicone Radiator Hose Kit is perfect for Jeep Wrangler and Gladiator owners seeking a reliable, high-performance cooling system upgrade that combines durability with style. It is especially suited for off-road enthusiasts, daily drivers, and anyone looking to replace aging or damaged stock radiator hoses with a long-lasting solution. Whether navigating rocky trails or cruising on the highway, this kit ensures your engine stays cool and protected under all conditions.

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.