Mishimoto Silicone Radiator Hose Kit

1997–2006 Jeep Wrangler 4.0L Inline 6-Cylinder

Part #: MMHOSE-WR6-97BK

Overview

The Mishimoto Silicone Radiator Hose Kit is a high-quality replacement designed specifically for Jeep Wrangler models equipped with the 4.0L inline 6-cylinder engine from 1997 through 2006. This kit replaces the factory rubber radiator hoses with durable silicone alternatives that offer superior heat resistance, enhanced pressure tolerance, and long-lasting performance. Ideal for Jeep enthusiasts who demand reliability and style, the black silicone hoses provide a clean, professional look while ensuring your cooling system operates efficiently under both everyday driving and demanding off-road conditions.

Compatible with a wide range of Jeep Wrangler trims including Sport, Sahara, Rubicon, SE, Unlimited, and special editions such as the 65th Anniversary Edition, this kit maintains exact OEM fitment for a seamless upgrade without the need for modifications.

Key Features

Engineered to deliver lasting durability and improved performance, the Mishimoto Silicone Radiator Hose Kit includes:

• Constructed from premium silicone with embedded heat-resistant fibers for exceptional strength and longevity
• Black silicone finish that resists fading and complements any Jeep engine bay
• Exact OEM fitment ensures a direct replacement with no modifications required
• Higher pressure tolerance compared to standard rubber hoses, reducing the risk of leaks or bursts
• Resistant to cracking, swelling, and degradation caused by heat, oil, and coolant exposure
• Compatible with multiple transmissions including 32RH, 42RLE, AX15, AX5, NSG370, NV3500, and NV3550
• Pre-shaped hoses for easy installation that aligns perfectly with existing mounting points and clamps

Construction & Design

The Mishimoto hose kit is crafted from high-grade silicone material reinforced with embedded fibers that provide superior heat resistance and mechanical strength. This robust construction allows the hoses to withstand the high temperatures and pressures typical of Jeep’s cooling systems, especially during off-road or heavy-duty use. The silicone’s inherent flexibility also helps absorb engine vibrations and movement, reducing stress on hose connections and extending service life.

The sleek black color is achieved through durable pigmentation that resists fading and discoloration, maintaining a clean and professional appearance over time. Each hose is precision-molded to match the exact dimensions and contours of the original equipment, ensuring a secure, leak-free fit that preserves the integrity of your cooling system.

Installation & Fitment

Installation of the Mishimoto Silicone Radiator Hose Kit is straightforward and designed as a direct OEM replacement for Jeep Wrangler 4.0L inline 6-cylinder models from 1997 to 2006. The kit fits a variety of transmissions including 32RH, 42RLE, AX15, AX5, NSG370, NV3500, and NV3550, making it versatile across many factory configurations.

All hoses come pre-shaped and ready to install, aligning precisely with existing mounting points and clamps. No special tools or modifications are required, making this kit suitable for both professional mechanics and experienced DIY enthusiasts looking to upgrade their cooling system with confidence.

What's Included

• Complete set of front and rear radiator hoses for Jeep Wrangler 4.0L inline 6-cylinder engines (1997–2006)
• Black silicone hoses designed to replace all OEM rubber radiator hoses

Ideal For

This Mishimoto Silicone Radiator Hose Kit is perfect for Jeep Wrangler owners who want to upgrade their cooling system with durable, high-performance components. It is especially suited for:

• Off-road enthusiasts requiring reliable cooling under extreme conditions
• Owners replacing aging, cracked, or deteriorated OEM rubber hoses
• Those seeking to enhance engine bay aesthetics with a sleek black silicone finish
• DIY mechanics and professional shops performing routine maintenance or performance upgrades

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.