Mishimoto Silicone Coolant Hose Kit

2019–2025 RAM Cummins 6.7L

Part #: MMHOSE-RAM-19BK

Overview

Upgrade your RAM Cummins 6.7L diesel truck with the Mishimoto Silicone Coolant Hose Kit, designed to enhance both reliability and style. Factory rubber radiator hoses are known to degrade over time, especially under demanding conditions, leading to leaks, blowouts, and potential engine damage. Whether your truck is stock or heavily modified, this direct-fit replacement kit offers a durable and high-performance solution to keep your cooling system operating at its best.

The Mishimoto Silicone Coolant Hose Kit replaces the original upper and lower radiator hoses with premium 100% silicone components. These hoses are engineered to withstand higher temperatures, pressures, and chemical exposure than standard rubber hoses, providing a significant upgrade in durability and performance. Perfect for daily drivers, off-road enthusiasts, or those pushing their trucks to the limit, this kit ensures your cooling system remains reliable under all conditions.

Key Features

The Mishimoto Silicone Coolant Hose Kit is built with high-grade materials and innovative design features that deliver superior performance and longevity. Here are some of the key benefits:

• Constructed from high-quality 4-ply silicone material that resists cracking, hardening, and swelling over time, even in extreme heat and pressure conditions.
• Replaces factory rubber hoses with a more durable, flexible, and heat-resistant alternative, reducing the risk of leaks and failures.
• Designed for a perfect fit on the RAM Cummins 6.7L engine, ensuring seamless installation without modifications.
• Includes both upper and lower radiator hoses, providing a comprehensive upgrade for your cooling system.
• Black color finish offers a sleek, OEM-like appearance that complements your engine bay’s aesthetics.
• Backed by Mishimoto’s reputation for quality and performance, ensuring peace of mind and long-lasting reliability.

Construction & Design

This coolant hose kit features meticulously engineered components crafted from high-grade silicone with reinforced internal fibers, making them highly resistant to heat, pressure, and chemical degradation. The hoses are designed with precise bends and dimensions to match the factory routing, ensuring a straightforward, bolt-on installation. The black silicone material not only provides a clean, professional look but also helps insulate against engine heat, reducing the risk of heat soak and maintaining optimal coolant flow.

Installation & Fitment

The Mishimoto Silicone Coolant Hose Kit is a direct-fit replacement for the factory hoses on 2019 and newer RAM Cummins 6.7L trucks. Installation is straightforward and typically requires basic hand tools. No cutting, drilling, or complex modifications are necessary, and the hoses are designed to fit perfectly with the OEM radiator and engine components. For optimal results, it is recommended to inspect the entire cooling system and replace any worn or damaged components during installation.

• Easy bolt-on installation with no modifications required
• Compatible with stock and modified RAM Cummins 6.7L engines
• Suitable for daily driving, towing, and off-road use

What's Included

• High-quality silicone upper radiator hose
• High-quality silicone lower radiator hose
• Clamps and hardware for secure installation
• Installation instructions

Ideal For

• Ram Cummins 6.7L owners seeking a reliable upgrade
• Enthusiasts who want to prevent hose degradation and leaks
• Off-road and towing applications requiring durable cooling components
• Anyone looking to improve engine bay aesthetics with a sleek black finish