Gates TL257 Turbocharger Coolant Line - Return

Turbocharger Coolant Line for Ford Super Duty

Gates TL257 is a turbocharger coolant drain line built for coolant flow in the turbo system. It uses steel and rubber construction with an OE Exact grade profile to match the original routing and connection style on select Ford Super Duty diesel applications.

Compatible with 2017-2019 Ford F-250 Super Duty and 2017-2019 Ford F-350 Super Duty, this Gates Turbocharger Coolant Line supports the return side of the turbocharger cooling circuit. The TL257 part number is a direct reference for buyers searching for a turbocharger coolant line for Ford F-250 Super Duty or Ford F-350 Super Duty return applications.

Key Features

• OE Exact grade turbocharger coolant drain line
• Steel and rubber construction for heat-exposed coolant routing
• Push-on inlet fitting and bolt-on outlet fitting
• 15-inch centerline length for proper line routing
• Designed for coolant conveyance to and from the turbocharger
• Cross-reference: Dorman - OE Solutions 667-431

Product Details

Gates Turbocharger Coolant Line TL257 is part of the Turbocharger Coolant Line product line and is engineered for the return side of the turbocharger cooling system. The line is built to handle the temperature extremes found around the turbocharger while maintaining a secure coolant path. For shoppers comparing turbocharger coolant line replacement options for 2017-2019 Ford F-250 Super Duty and 2017-2019 Ford F-350 Super Duty, TL257 provides an OE-style fitment reference with the correct connection types and centerline length.

What This Part Helps Address

• Coolant leakage at the turbocharger return line
• Cracked or heat-damaged coolant tubing
• Improper coolant routing around the turbocharger
• Failed push-on or bolt-on line connections
• Service replacement for a worn turbocharger coolant drain line

Installation Notes and Tips

Verify the vehicle year, model, and return-line application before ordering. Match the push-on inlet and bolt-on outlet fittings to the original line, and confirm the 15-inch centerline length against the removed part. Clean the connection points before installation and inspect nearby turbocharger coolant components for heat damage or seepage.

Quality Assurance

Gates manufactures this line as an OE Exact replacement-style part for turbocharger coolant service, with materials selected for coolant transfer in high-temperature turbocharger environments.