Mishimoto 11-14 Ford 6.7L Powerstroke Coolant Overflow Hose – Silicone Replacement with One-Way Valve

The 6.7L Powerstroke is a powerhouse built for serious work, but its factory coolant overflow hose uses plastic fittings that are known to crack and leak over time. Left unchecked, these leaks can lead to overheating and unexpected downtime. Upgrade your cooling system with a Mishimoto one-piece silicone Y-hose designed specifically for your 6.7L Powerstroke to eliminate those weak points and keep your truck on the road.--This direct-fit hose replaces those old, brittle plastic connections with a seamless silicone design that removes common failure points. A built-in one-way valve maintains proper coolant flow, and protective heat sleeves help guard the hose against high engine bay temperatures.--Made from multi-layer silicone that outlasts the factory rubber, this hose is built to handle the demands of the Powerstroke platform. Each kit includes new worm-gear clamps for a consistent, reliable seal and is backed by the Mishimoto Lifetime Warranty. Complete radiator coolant hose kit designed to maintain proper coolant flow and system pressure. Includes durable, heat-resistant hoses for leak prevention, reliable performance, and a precise, easy installation.

• Multi-layer silicone construction outlasts factory rubber hoses
• One-piece design eliminates eight potential leak points
• Integrated one-way valve maintains proper coolant flow

Upgrade your Ford 6.7L Powerstroke's cooling system with the Mishimoto MMHOSE-F2D-11OV coolant overflow hose, specifically designed to enhance durability and reliability. This seamless, one-piece silicone hose replaces the factory plastic fittings that are prone to cracking and leaking, which can cause engine overheating and costly downtime. Manufactured from multilayer silicone, this hose is built to withstand the high temperatures and pressure within the engine bay, outperforming standard rubber hoses in both longevity and performance.
The integrated one-way valve ensures consistent coolant flow, preventing air pockets and maintaining optimal system pressure. Protective heat sleeves are included to shield the hose from extreme engine bay temperatures, further reducing the risk of failure. Designed as a direct-fit replacement, this kit simplifies installation while providing a secure, leak-free connection. Each set includes durable worm-gear clamps for a tight seal, ensuring a reliable upgrade for your vehicle's cooling system.
This coolant overflow hose is an essential upgrade for any 6.7L Powerstroke owner aiming for long-term performance and peace of mind. Backed by Mishimoto’s lifetime warranty, it offers a robust solution to common plastic fitting failures. Whether you're restoring a high-mileage truck or seeking a preventative upgrade, this silicone hose guarantees improved durability, leak prevention, and efficient coolant circulation, keeping your engine running smoothly and reliably under demanding conditions.

Features:

• Multi-layer silicone construction outlasts factory rubber hoses

• One-piece design eliminates eight potential leak points

• Integrated one-way valve maintains proper coolant flow

• Includes protective heat sleeves for high-temperature resistance

• Comes with durable worm-gear clamps for a secure fit

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1