Mishimoto Silicone Radiator Hose Kit

2003–2010 Dodge Ram 2500/3500/4500/5500 5.9L & 6.7L Cummins

Part #: MMHOSE-RAM-03DRD

Overview

The Mishimoto Silicone Radiator Hose Kit is a premium upgrade designed specifically for Dodge Ram 2500, 3500, 4500, and 5500 models equipped with 5.9L and 6.7L Cummins engines from 2003 to 2010. This kit replaces the factory rubber hoses with high-quality silicone hoses that offer superior durability and enhanced heat resistance. Whether you use your truck for heavy-duty work or performance applications, this hose kit ensures reliable cooling system performance under demanding conditions.

Ideal for truck owners seeking to improve their vehicle’s cooling efficiency and longevity, the Mishimoto silicone hoses provide a dependable solution that withstands higher temperatures and pressures than standard OEM hoses.

Key Features

Engineered to deliver lasting performance and reliability, the Mishimoto Silicone Radiator Hose Kit includes the following key features:

• Constructed from high-grade silicone for superior heat resistance and flexibility
• Reinforced with four layers of heat-resistant fibers to increase pressure tolerance
• Designed to maintain factory fitment for a seamless installation process
• Available in vibrant red, as well as black and blue options to match your vehicle’s style
• Resistant to cracking, swelling, and deterioration common with OEM rubber hoses
• Provides improved coolant flow and heat dissipation for enhanced engine cooling
• Includes Mishimoto’s industry-leading lifetime warranty for peace of mind

Construction & Design

The Mishimoto Silicone Radiator Hose Kit is expertly crafted using a blend of premium silicone and multiple layers of heat-resistant fiber reinforcement. This multi-layer construction ensures the hoses can withstand extreme temperatures and high pressure without deforming or failing. The silicone material also offers excellent flexibility, which helps absorb engine vibrations and reduces stress on hose connections.

Each hose is precision-molded to match the exact dimensions and contours of the factory hoses, guaranteeing a perfect fit and easy installation without the need for modifications. The vibrant red color is achieved through durable pigments that resist fading and discoloration over time, maintaining a clean and professional appearance under the hood.

Installation & Fitment

Designed as a direct replacement for the factory rubber hoses, the Mishimoto Silicone Radiator Hose Kit installs quickly and easily on 2003–2010 Dodge Ram 2500, 3500, 4500, and 5500 trucks with 5.9L or 6.7L Cummins engines. No special tools or modifications are required, making it an ideal upgrade for both professional mechanics and DIY enthusiasts.

All hoses retain the original mounting points and connection sizes, ensuring a secure and leak-free fit. This kit is compatible with both stock and modified cooling systems, providing versatility for a wide range of applications.

What's Included

• Complete set of front and rear silicone radiator hoses
• All necessary clamps and hardware for installation
• Detailed installation instructions
• Mishimoto lifetime warranty documentation

Ideal For

This silicone radiator hose kit is perfect for Dodge Ram owners who demand enhanced durability and performance from their cooling system components. It is especially suited for:

• Work trucks subjected to heavy-duty use and high engine loads
• Modified trucks with upgraded cooling or increased horsepower
• Enthusiasts looking to improve engine reliability and longevity
• Anyone seeking a long-lasting, maintenance-free cooling hose solution

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.