Mishimoto Silicone Radiator Hose Kit

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

Part #: MMHOSE-RAM-13BK

Overview

The Mishimoto Silicone Radiator Hose Kit is a premium cooling system upgrade engineered specifically for 2013 to 2014 Ram 2500 and Ram 3500 trucks equipped with the 6.7L Cummins diesel engine. This kit replaces the factory rubber radiator hoses with high-quality silicone hoses designed to withstand higher temperatures and pressures, delivering enhanced durability and reliability under demanding conditions.

Ideal for both stock and modified Cummins engines, this hose kit ensures optimal cooling system performance, reducing the risk of hose failure and coolant leaks. Whether you are upgrading your truck for heavy-duty towing, off-road use, or simply seeking a longer-lasting cooling solution, Mishimoto’s silicone hoses provide a direct-fit, maintenance-free replacement that maintains factory specifications while offering superior performance and longevity.

Key Features

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

• Constructed from high-grade 4-ply silicone with embedded 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 design eliminates the failure-prone factory Y-connector, enhancing overall reliability
• Internal spring reinforcement in the lower hose prevents collapse under vacuum conditions, maintaining consistent coolant flow
• Finished in sleek black silicone for an OEM-plus appearance that resists fading and discoloration
• Resistant to oil, coolant, and environmental degradation, extending service life compared to stock rubber hoses
• Specifically designed for perfect fitment on 2013–2014 Ram 2500 and Ram 3500 trucks with the 6.7L Cummins engine
• Backed by the Mishimoto Lifetime Warranty for peace of mind

Construction & Design

The Mishimoto radiator hoses are crafted from premium 4-ply silicone reinforced with heat-resistant fibers, providing superior strength, flexibility, and resistance to extreme under-hood temperatures and high coolant system pressures. This robust construction prevents cracking, swelling, or collapsing, ensuring reliable operation even in the most demanding environments.

The lower radiator hose features an internal spring reinforcement that mimics the factory design to prevent hose collapse during high vacuum conditions, a critical factor in maintaining consistent coolant flow and proper engine temperature regulation. Additionally, the one-piece design of the secondary hoses replaces the factory Y-connector, a common failure point, offering a more durable and reliable solution.

The black silicone finish not only enhances the visual appeal with a clean, professional look but also resists fading and discoloration over time, maintaining a fresh appearance throughout the life of the hoses.

Installation & Fitment

Installation of the Mishimoto Silicone Radiator Hose Kit is straightforward and requires no modifications, as it is engineered for direct fitment on 2013 to 2014 Ram 2500 and Ram 3500 trucks equipped with the 6.7L Cummins engine. The kit replaces the factory upper and lower radiator hoses as well as the secondary hoses, providing a comprehensive upgrade to your cooling system.

Standard hand tools are sufficient for installation, making this kit accessible for experienced DIY enthusiasts and professional mechanics alike. The direct-fit design ensures a hassle-free installation process without the need for cutting, trimming, or additional adapters.

What's Included

• Upper main radiator hose
• Lower main radiator hose with internal spring reinforcement
• Upper secondary radiator hose (one-piece design)
• Lower secondary radiator hose (one-piece design)
• All necessary clamps and hardware for installation

Ideal For

This Mishimoto Silicone Radiator Hose Kit is ideal for Ram 2500 and Ram 3500 owners who demand enhanced cooling system reliability and durability. It is especially suited for:

• Owners upgrading or modifying their 6.7L Cummins diesel engines
• Drivers who tow heavy loads or operate in high-temperature environments
• Enthusiasts seeking a long-lasting, maintenance-free cooling hose solution
• Anyone looking to replace aging or deteriorated factory rubber hoses with a superior aftermarket alternative