Continental 64371 Engine Coolant Bypass Hose

Overview

Continental Molded Engine Coolant Bypass Hose 64371 is built for coolant transfer in the heater core bypass and related cooling system routing. It is a molded hose with 1.000-inch inside diameter ends and a 2.800-inch length, making it a fitment-specific replacement for select Ford, Mazda, and Mercury applications.

Key Features

• Molded coolant bypass hose for targeted cooling system routing
• 1.000-inch inside diameter at both ends for matched connections
• 2.800-inch hose length for compact routing requirements
• Built to SAE 20R3EC Class D1 and Class D2 specifications
• Resistant to electrochemical degradation for added hose durability

Detailed Description

This Continental coolant bypass hose is engineered to move glycol-based coolant to and from the heater core, bypass the radiator, and route coolant through other engine cooling components. The molded shape helps maintain the intended hose path in applications that require a formed replacement, and the SAE 20R3EC Class D1 and D2 construction supports consistent cooling-system service. Part number 64371 is listed for select Ford Mustang, Ford Ranger, Ford Explorer, Ford Explorer Sport Trac, Ford Explorer Sport, Mazda B4000, and Mercury Mountaineer applications. This part cross-references Dayco 72025 for the same application.

Common Uses

• Replacing a cracked or softened coolant bypass hose
• Restoring heater core coolant flow
• Addressing coolant seepage at molded hose connections
• Correcting hose routing in a formed cooling system path
• Servicing a cooling system with electrochemical hose wear

Installation Notes

Verify hose diameter, molded shape, and application routing before installation. Confirm the vehicle’s cooling system layout matches the listed fitment for your Ford Mustang, Ford Ranger, or Ford Explorer application. Inspect adjoining pipes and clamps for wear before installing part number 64371.

Quality Assurance

Continental specifies this hose to SAE 20R3EC Class D1 and D2 standards and includes resistance to electrochemical degradation, supporting dependable cooling-system service in the intended applications.