HPS Silicone Heater Hoses Kit

2007–2018 Jeep Wrangler JK 3.8L V6

Part #: 57-1220H-BLK

Overview

The HPS Silicone Heater Hoses Kit is a premium replacement solution designed specifically for the Jeep Wrangler JK equipped with the 3.8L V6 engine from 2007 through 2018. This kit addresses common issues found in OEM heater hoses such as cracking, collapsing, and coolant leaks, which can lead to engine overheating. Ideal for Jeep owners seeking a durable upgrade or a reliable OEM replacement, these hoses ensure consistent coolant flow and enhanced engine cooling performance under demanding conditions.

Constructed to meet the rigorous demands of daily driving and off-road adventures, the HPS silicone hoses offer superior heat resistance and longevity compared to standard rubber hoses. This kit is perfect for enthusiasts who want to maintain optimal engine temperature and prevent costly repairs caused by failing heater hoses.

Key Features

Engineered for durability and perfect fitment, the HPS Silicone Heater Hoses Kit offers the following benefits:

• Direct replacement or upgrade for OEM and aftermarket heater hoses
• Premium grade, high-heat resistant 3-ply reinforced silicone construction
• Precisely molded with correct bends and curves for a perfect fit on Jeep Wrangler JK 3.8L V6 engines
• Includes 100% stainless steel non-perforated embossed hose clamps that prevent hose damage during installation
• Designed to prevent coolant leaks and engine overheating caused by cracked or collapsed OEM hoses
• Race-proven design engineered for extreme temperature service and prolonged exposure to under-hood heat
• Maximum temperature rating of 350°F (177°C) for reliable performance in high-heat environments
• Enhanced durability ensures long-lasting service life compared to standard EPDM rubber hoses
• Note: Silicone hoses have a higher water permeation rate than rubber; regular coolant level checks are recommended for daily-driven vehicles

Construction & Design

The HPS heater hoses are crafted from a high-quality 3-ply reinforced silicone material that offers exceptional resistance to heat, pressure, and aging. This construction ensures the hoses maintain flexibility and structural integrity even under extreme engine bay temperatures. The silicone compound used is specifically formulated to withstand prolonged exposure to coolant and under-hood heat without cracking or collapsing.

Each hose is precision molded with the exact bends and curves required for a seamless fitment on the Jeep Wrangler JK 3.8L V6, eliminating the need for modifications or adjustments. The included stainless steel hose clamps are embossed and non-perforated, designed to secure the hoses firmly without cutting into the silicone, thereby extending the lifespan of the hoses and preventing leaks.

Installation & Fitment

Installation of the HPS Silicone Heater Hoses Kit is straightforward and designed to be a direct bolt-on replacement for the 2007–2018 Jeep Wrangler JK 3.8L V6 models. The hoses come pre-shaped to match the OEM routing, ensuring a hassle-free fit without the need for trimming or bending. The included stainless steel clamps simplify the installation process, providing a secure and leak-free connection.

This kit is suitable for both professional mechanics and experienced DIY enthusiasts looking to upgrade their vehicle’s cooling system with high-quality components that offer improved durability and reliability.

What's Included

• Set of high-heat resistant 3-ply reinforced silicone heater hoses
• 100% stainless steel non-perforated embossed hose clamps
• Installation instructions

Ideal For

This HPS Silicone Heater Hoses Kit is ideal for Jeep Wrangler JK owners who want to replace aging or damaged OEM heater hoses with a more durable and heat-resistant solution. It is perfect for off-road enthusiasts, daily drivers, and anyone seeking to prevent coolant leaks and engine overheating issues. The kit is also well-suited for those performing routine maintenance or cooling system upgrades to enhance vehicle reliability and longevity.

HPS Performance specializes in high-temperature reinforced silicone hoses and related joining solutions—couplers, tubing, and clamps—built for boosted and high-heat engine bays. Used in performance and racing applications, HPS products are designed to meet demanding temperature and pressure conditions for dependable charge-air and coolant routing.