Mishimoto Silicone Radiator Hose Kit

2013–2014 Ram 2500 / 3500 6.7L Diesel

Part #: MMHOSE-RAM-13BK

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 kit replaces the factory rubber radiator hoses with durable, high-quality silicone hoses engineered to withstand elevated temperatures and pressures. It offers enhanced reliability and longevity, making it an excellent choice for both stock and modified Cummins engines.

Whether you use your Ram for heavy-duty towing, off-road adventures, or daily driving, this hose kit ensures optimal cooling system performance by reducing the risk of hose failure and coolant leaks. Mishimoto’s direct-fit silicone hoses provide a maintenance-free replacement that maintains factory specifications while delivering superior durability and a sleek OEM-plus appearance.

Key Features

Engineered for durability and reliability, the Mishimoto Silicone Radiator Hose Kit offers numerous benefits that improve your truck’s cooling system:

• 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 design replaces the factory Y-connector, eliminating a common failure point and enhancing overall reliability
• Internal spring reinforcement in the lower hose prevents collapse under vacuum conditions, ensuring consistent coolant flow
• Finished in sleek black silicone for a clean, professional OEM-plus look 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 embedded heat-resistant fibers, delivering 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 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, providing a more durable and reliable solution.

The black silicone finish not only enhances 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. It is engineered for direct fitment on 2013 to 2014 Ram 2500 and Ram 3500 trucks equipped with the 6.7L Cummins diesel engine. The kit replaces the factory upper and lower radiator hoses as well as the secondary hoses, providing a comprehensive cooling system upgrade.

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

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.