Mishimoto Silicone Radiator Hose Kit

2010–2012 Dodge / RAM 2500/3500 6.7L Cummins

Part #: MMHOSE-RAM-10DBK

Overview

The Mishimoto Silicone Radiator Hose Kit is a direct replacement upgrade designed specifically for the 2010 to 2012 Dodge and RAM 2500/3500 trucks equipped with the 6.7L Cummins engine. This kit replaces the factory rubber upper and lower radiator hoses with high-quality silicone hoses engineered for enhanced durability and reliability. Ideal for both stock and modified Cummins engines, the Mishimoto hoses provide superior resistance to heat, pressure, and environmental degradation, ensuring long-lasting performance under demanding conditions.

Whether you are looking to improve your truck’s cooling system reliability or preparing your vehicle for heavy-duty use, this hose kit offers a dependable solution that outperforms OEM components.

Key Features

Engineered with precision and built to last, the Mishimoto Silicone Radiator Hose Kit offers the following key benefits:

• Constructed from high-grade 4-ply silicone with embedded heat-resistant fibers for exceptional durability
• Designed to withstand extreme temperatures and high pressure, reducing the risk of hose failure
• Includes an internal spring in the lower hose to prevent collapse and maintain consistent coolant flow
• Direct-fit replacement for factory upper and lower radiator hoses, ensuring easy installation
• Available in multiple colors including black, red, and blue to match your vehicle’s style
• Resistant to oil, coolant, and other automotive fluids for extended service life
• Backed by the Mishimoto Lifetime Warranty, guaranteeing quality and craftsmanship

Construction & Design

The Mishimoto radiator hoses are crafted from premium 4-ply silicone reinforced with heat-resistant fibers, providing superior strength and flexibility compared to traditional rubber hoses. This advanced construction allows the hoses to maintain their shape and integrity under high heat and pressure conditions commonly experienced in diesel truck cooling systems.

The lower radiator hose features an internal spring coil that prevents hose collapse during heavy engine loads or high vacuum situations, ensuring uninterrupted coolant flow and optimal engine temperature regulation. Each hose is precision-molded to match the exact contours and dimensions of the factory hoses for a seamless fit.

Installation & Fitment

This hose kit is designed as a direct bolt-on replacement for the 2010–2012 Dodge and RAM 2500/3500 trucks with the 6.7L Cummins engine. Installation requires no modifications, making it a straightforward upgrade for both professional mechanics and experienced DIY enthusiasts. Simply remove the factory hoses and replace them with the Mishimoto silicone hoses using the existing clamps and mounting points.

Proper installation ensures a secure, leak-free connection that enhances the reliability of your cooling system.

What's Included

• One upper radiator hose (100% silicone)
• One lower radiator hose (100% silicone with internal spring reinforcement)
• Installation instructions

Ideal For

This Mishimoto Silicone Radiator Hose Kit is ideal for Dodge and RAM 2500/3500 owners who want to improve the durability and reliability of their cooling system. It is especially suited for those running stock or lightly modified 6.7L Cummins engines who demand better heat resistance and longevity than factory rubber hoses can provide. Additionally, it is a great upgrade for trucks used in heavy-duty applications, towing, or off-road conditions where cooling system performance is critical.

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.