Mishimoto Silicone Radiator Hose Kit

2013–2014 Ram 2500 / Ram 3500 6.7L Cummins Diesel

Part #: MMHOSE-RAM-13RD

Overview

The Mishimoto Silicone Radiator Hose Kit is a premium cooling system upgrade designed specifically for 2013 to 2014 Ram 2500 and Ram 3500 trucks equipped with the 6.7L Cummins diesel engine. This comprehensive kit replaces the factory rubber radiator hoses with durable, high-quality silicone hoses engineered to withstand extreme heat and pressure. It enhances the reliability and longevity of your cooling system, ensuring consistent coolant flow even under demanding conditions.

Ideal for both stock and modified Cummins engines, this hose kit helps prevent premature hose failure and reduces the risk of leaks. Whether you are a fleet operator, enthusiast, or daily driver, Mishimoto’s silicone hoses provide a dependable upgrade that maintains optimal engine temperatures and improves overall cooling system performance.

Key Features

Engineered for durability and performance, the Mishimoto Silicone Radiator Hose Kit offers the following benefits:

• Constructed from high-grade 4-ply silicone reinforced with heat-resistant fibers for exceptional heat and pressure tolerance
• Includes upper and lower main radiator hoses plus upper and lower secondary radiator hoses for a complete cooling system upgrade
• One-piece upper hose design eliminates the failure-prone factory Y-connector, reducing leak points and improving reliability
• Lower radiator hose features an internal spring to prevent hose collapse under vacuum conditions
• Available in vibrant red, with options for black or blue to match your vehicle’s style
• Direct fitment for 2013–2014 Ram 2500 and Ram 3500 models with the 6.7L Cummins engine
• Backed by the Mishimoto Lifetime Warranty for long-term confidence

Construction & Design

Mishimoto’s radiator hoses are crafted from premium 4-ply silicone reinforced with embedded heat-resistant fibers, providing superior resistance to heat, pressure, and environmental degradation compared to factory rubber hoses. This advanced construction ensures the hoses maintain flexibility and strength even under the extreme operating temperatures common in heavy-duty diesel applications.

The kit’s design includes an internal spring in the lower hose to prevent collapse during high vacuum conditions, a common failure point in stock hoses. Additionally, the one-piece upper hose design replaces the factory Y-connector, reducing potential leak points and simplifying installation for a more reliable cooling system.

Installation & Fitment

This hose kit is engineered for direct bolt-on installation on 2013 to 2014 Ram 2500 and Ram 3500 trucks equipped with the 6.7L Cummins engine. No modifications or special tools are required, making it a straightforward upgrade for professional mechanics and experienced enthusiasts alike. The kit replaces the factory upper and lower radiator hoses, including secondary hoses, ensuring a comprehensive cooling system refresh.

What's Included

• Upper main radiator hose
• Lower main radiator hose with internal spring
• Upper secondary radiator hose
• Lower secondary radiator hose
• All necessary clamps and fittings for installation

Ideal For

This Mishimoto Silicone Radiator Hose Kit is perfect for Ram 2500 and 3500 owners who demand enhanced cooling system reliability and durability. It is especially suited for those with modified or high-mileage 6.7L Cummins engines, fleet operators, and enthusiasts who want to prevent common hose failures and maintain optimal engine temperatures under heavy loads or extreme conditions.

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.