Mishimoto Silicone Coolant Hose Kit

2019+ Ram Cummins 6.7L

MMHOSE-RAM-19BK

Overview:

The Mishimoto Silicone Coolant Hose Kit is a premium upgrade designed specifically for the 2019 and newer Ram trucks equipped with the 6.7L Cummins engine. This kit replaces the factory rubber radiator hoses with durable, high-quality silicone hoses that offer enhanced reliability and longevity. Ideal for both stock and modified trucks, the Mishimoto kit helps prevent common issues such as hose degradation, leaks, and blowouts that can occur with OEM rubber hoses over time.

Whether you’re looking to improve your truck’s cooling system durability or add a sleek, professional look under the hood, this kit provides a direct-fit solution that combines performance and style. Backed by Mishimoto’s lifetime warranty, it’s a dependable choice for Cummins enthusiasts seeking peace of mind and improved cooling system integrity.

Key Features:

This silicone coolant hose kit offers several advantages over factory components, making it a smart upgrade for your Ram Cummins:

• Constructed from high-grade 4-ply silicone with embedded heat-resistant fibers for superior durability
• Designed to withstand higher temperatures and pressures than standard rubber hoses
• Includes an internal spring in the lower radiator hose to prevent hose collapse under vacuum
• Direct-fit replacement for factory upper and lower radiator hoses—no modifications required
• Available in black, red, or blue to match your engine bay aesthetics
• Resistant to oil, coolant, and environmental degradation for extended service life
• Improves cooling system reliability, reducing the risk of leaks and overheating
• Backed by Mishimoto’s industry-leading Lifetime Warranty for added confidence

Construction & Design:

The Mishimoto Silicone Coolant Hose Kit is engineered using premium 4-ply silicone reinforced with heat-resistant fibers, ensuring exceptional strength and flexibility. This construction allows the hoses to maintain their shape and integrity under extreme heat and pressure conditions commonly experienced in heavy-duty diesel applications. The internal spring in the lower hose replicates the factory design to prevent hose collapse during high vacuum situations, maintaining consistent coolant flow and system performance.

Each hose is precision-molded to match the exact contours and dimensions of the factory hoses, guaranteeing a seamless fit and easy installation. The smooth silicone surface resists cracking, swelling, and hardening that typically affect rubber hoses over time, providing a longer-lasting, maintenance-free solution.

Installation & Fitment:

The Mishimoto Silicone Coolant Hose Kit is designed as a direct replacement for the factory upper and lower radiator hoses on 2019 and newer Ram trucks with the 6.7L Cummins engine. Installation is straightforward and requires no modifications or special tools, making it suitable for both professional mechanics and experienced DIY enthusiasts. Simply remove the old rubber hoses and install the Mishimoto silicone hoses using the included clamps or existing hardware.

This kit fits all 2019+ Ram models equipped with the 6.7L Cummins engine, ensuring precise compatibility and reliable performance right out of the box.

What's Included:

• Upper radiator silicone hose
• Lower radiator silicone hose with internal spring
• All necessary clamps for secure installation
• Installation instructions

Ideal For:

This coolant hose kit is perfect for Ram Cummins owners who want to enhance their truck’s cooling system reliability and appearance. It is especially beneficial for:

• Owners of stock or lightly modified 2019+ Ram 6.7L Cummins trucks seeking improved durability
• Diesel enthusiasts who demand high-quality, long-lasting cooling components
• Those looking to prevent common radiator hose failures and coolant leaks
• Anyone wanting to add a clean, professional look to their engine bay with color options

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.