Mishimoto Black Silicone Radiator Coolant Hose Kit: Jeep Wrangler (18-21) / Gladiator (20-22)

Mishimoto Black Silicone Radiator Coolant Hose Kit: Jeep Wrangler (18-21) / Gladiator (20-22)

The Mishimoto Black Silicone Radiator Coolant Hose Kit enhances cooling system reliability with durable, five-layer silicone construction and CNC-machined aluminum fittings. Designed for 2018-2021 Jeep Wrangler JL 3.6L and 2020-2022 Jeep Gladiator models, this kit replaces stock plastic hoses with a heat- and pressure-resistant upgrade. It includes radiator inlet and outlet hoses, clamps, and a mounting bracket for a secure fit, ensuring optimal performance on and off-road.
Part # MMHOSE-JLP-18ABK

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The Mishimoto Black Silicone Radiator Coolant Hose Kit enhances cooling system reliability with durable, five-layer silicone construction and CNC-machined aluminum fittings. Designed for 2018-2021 Jeep Wrangler JL 3.6L and 2020-2022 Jeep Gladiator models, this kit replaces stock plastic hoses with a heat- and pressure-resistant upgrade. It includes radiator inlet and outlet hoses, clamps, and a mounting bracket for a secure fit, ensuring optimal performance on and off-road.

Mishimoto Silicone Radiator Coolant Hose Kit

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

MMHOSE-JLP-18ABK

Overview:

The Mishimoto Black Silicone Radiator Coolant Hose Kit is a premium upgrade designed specifically for Jeep Wrangler JL models from 2018 to 2021 and Jeep Gladiator 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 high-quality silicone hoses featuring CNC-machined aluminum fittings, delivering enhanced durability and reliability under demanding conditions.

Ideal for Jeep enthusiasts who demand both style and performance, this hose kit ensures your cooling system maintains optimal efficiency whether you’re tackling rugged trails or daily driving. The black finish offers a sleek, understated look that complements your Jeep’s engine bay while providing long-lasting resistance to heat, pressure, and wear.

Key Features:

Engineered for durability and performance, the Mishimoto silicone hose kit offers several key advantages:

  • Direct replacement for stock plastic radiator hose connectors with a robust one-piece design
  • CNC-machined aluminum barbs for secure, leak-free connections
  • Constructed from five layers of premium silicone reinforced with heat-resistant embedded fibers
  • Exceptional heat tolerance to withstand high engine temperatures
  • Superior pressure resistance for reliable coolant flow under demanding conditions
  • Includes both radiator inlet and outlet hoses for a complete cooling system upgrade
  • Finished in sleek black for a clean, professional appearance
  • Includes four worm-gear clamps and a mounting bracket for straightforward installation
  • Backed by the Mishimoto Lifetime Warranty for peace of mind

Construction & Design:

Each hose in this kit is crafted from five layers of high-grade silicone, reinforced with embedded fibers that provide outstanding resistance to heat, pressure, and abrasion. This multi-layer construction ensures the hoses maintain flexibility and strength even under extreme operating conditions. The CNC-machined aluminum fittings offer precise tolerances and corrosion resistance, creating a secure and durable connection that outperforms the factory plastic components.

The one-piece hose design eliminates weak points common in multi-piece assemblies, reducing the risk of leaks and failures. The black silicone finish not only enhances durability but also resists discoloration and cracking over time, maintaining a clean look throughout the life of the vehicle.

Installation & Fitment:

The Mishimoto Black Silicone Radiator Coolant Hose Kit is designed for a direct bolt-on installation with no modifications required. The kit fits Jeep Wrangler JL models from 2018 through 2021 and Jeep Gladiator models from 2020 through 2022, all equipped with the 3.6L V6 engine and automatic transmission. Included worm-gear clamps and a mounting bracket simplify the installation process, ensuring a secure fit and reliable coolant system performance.

This kit is an excellent upgrade for Jeep owners looking to improve their vehicle’s cooling system durability and aesthetics without the hassle of custom fabrication.

What's Included:

  • Radiator inlet silicone hose
  • Radiator outlet silicone hose
  • Four worm-gear clamps
  • Mounting bracket
  • Installation instructions

Ideal For:

This silicone radiator hose kit is perfect for Jeep Wrangler and Gladiator owners who want to enhance their vehicle’s cooling system reliability and appearance. It is especially suited for off-road enthusiasts, daily drivers, and anyone seeking a durable, long-lasting upgrade to the factory radiator hoses. Whether you’re rock crawling, trail riding, or commuting, Mishimoto’s silicone hoses provide peace of mind and improved performance under all conditions.

Fitment Summary

  • Jeep Wrangler JL 3.6L V6 (2018–2021) with automatic transmission
  • Jeep Gladiator 3.6L V6 (2020–2022) including 80th Anniversary, Altitude, High Altitude, Launch Edition, Mojave, Overland, Rubicon, Sport, Sport S, Willys, and Willys Sport trims
  • Jeep Wrangler Unlimited variants from 2018 to 2021 including Rubicon, Sahara, Sport, Sport S, Willys, and special editions
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