Mishimoto Silicone Radiator Hose Kit

2003–2010 Dodge Ram 2500 / 3500 5.9L & 6.7L Diesel

Part #: MMHOSE-RAM-03DBL

Overview

The Mishimoto Silicone Radiator Hose Kit is a premium cooling system upgrade engineered specifically for Dodge Ram 2500 and 3500 trucks equipped with 5.9L and 6.7L Cummins diesel engines from 2003 to 2010. Designed to replace the factory rubber hoses, this kit offers enhanced durability, superior heat resistance, and improved pressure tolerance, making it ideal for heavy-duty work trucks, towing, and performance applications.

By upgrading to Mishimoto’s silicone hoses, owners benefit from a reliable cooling system that maintains consistent engine temperatures under demanding conditions. The kit also adds a vibrant blue finish to the engine bay, combining functionality with style while maintaining direct factory fitment for a hassle-free installation.

Key Features

The Mishimoto Silicone Radiator Hose Kit delivers a robust and reliable cooling solution tailored for Dodge Ram Cummins engines. Key features include:

• Constructed from high-grade silicone for exceptional heat resistance and flexibility
• Four layers of woven heat-resistant fibers for enhanced durability and pressure tolerance
• Direct factory fitment ensures straightforward installation without modifications
• Available in multiple colors including blue, black, and red to customize your engine bay
• Engineered to withstand extreme temperatures and harsh operating environments
• Improves coolant flow reliability for consistent engine temperature management
• Includes Mishimoto’s lifetime warranty for long-term peace of mind

Construction & Design

Mishimoto’s silicone hoses feature a multi-layer construction combining premium silicone rubber with four layers of woven heat-resistant fibers. This advanced design provides superior resistance to heat, pressure, and deformation, preventing cracking and swelling over time. The silicone material remains flexible in cold weather and resists softening in high heat, ensuring dependable performance across all climates.

Each hose is precision-molded to match the exact contours and dimensions of the original factory hoses, guaranteeing a perfect fit and seamless integration with the vehicle’s cooling system. The vibrant blue finish is applied through a durable coating process that resists fading and abrasion, maintaining a clean, professional appearance in the engine bay.

Installation & Fitment

The Mishimoto Silicone Radiator Hose Kit is designed as a direct replacement for the stock rubber hoses on 2003–2010 Dodge Ram 2500 and 3500 trucks equipped with 5.9L and 6.7L Cummins diesel engines. Installation requires no special tools or modifications, making it accessible for both professional mechanics and experienced DIY enthusiasts.

Simply remove the factory hoses and install the Mishimoto silicone hoses using the existing clamps and mounting points. The kit retains all factory connections and routing, ensuring a seamless upgrade that restores and enhances your cooling system’s reliability and longevity.

What's Included

• Front radiator silicone hose
• Rear radiator silicone hose
• All necessary clamps and fittings for installation
• Detailed installation instructions

Ideal For

This hose kit is perfect for Dodge Ram owners who demand enhanced durability and reliability from their cooling system. Whether your truck is used for heavy-duty work, towing, or competitive pulling, the Mishimoto Silicone Radiator Hose Kit provides a dependable upgrade that withstands high heat and pressure. It is also an excellent choice for enthusiasts seeking to improve engine bay aesthetics with a vibrant blue finish while maintaining OEM fitment and function.

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.