Dorman 667-684 Turbocharger Coolant Line - Return

Dorman 667-684 Turbocharger Coolant Line

Dorman 667-684 is a turbocharger coolant line built to match the original fit and function on select Ford Super Duty trucks. It is made from aluminum and rubber for a molded OEM-style replacement that supports reliable coolant routing in turbocharged applications.

Key Features

• Direct replacement turbocharger coolant line for select vehicles
• OEM-grade molded assembly for factory-style routing
• Aluminum and rubber construction for durability
• Male and female end configuration with threaded fitting details at the connection point
• Black and metallic gray finish for a factory-like appearance
• Designed for the return side of the turbocharger coolant circuit

Detailed Description

This Dorman turbocharger coolant line, part number 667-684, is engineered for 2015 Ford F-250 Super Duty and 2015 Ford F-350 Super Duty applications with a return-line setup and a mounting hole on the left. The molded assembly follows the original line layout to help maintain proper coolant flow around the turbocharger, while the aluminum and rubber construction supports long-term service in high-heat engine bay conditions. If you are replacing a worn or damaged turbo coolant line on a 2015 Ford F-250 Super Duty or 2015 Ford F-350 Super Duty, 667-684 provides a direct-fit service part for the specified return position.

This part cross-references Ford FC3Z9U469A for the same application.

What It Helps Address

• Coolant leaks from a cracked or deteriorated turbocharger line
• Restricted coolant flow caused by a damaged return line
• Fitment issues from a bent or mismatched replacement tube
• Heat-related wear in the turbocharger coolant circuit
• Service replacement needs on turbocharged Ford Super Duty trucks

Installation Notes and Tips

Verify the vehicle is a 2015 Ford F-250 Super Duty or 2015 Ford F-350 Super Duty with the return-line configuration and a mounting hole on the left before installation. Confirm the end connections, thread size, and line routing match the original part before removal. Inspect adjoining hoses, seals, and connection points for wear so the new line can seat correctly and maintain a secure coolant path.

Quality Assurance

Dorman designs this turbocharger coolant line to match original fit and function on the listed applications. The OEM-grade molded construction and material selection support dependable replacement performance for the specified Ford Super Duty fitment.