Dorman 667-640 Turbocharger Oil Line - Right Lower

Dorman 667-640 Turbocharger Oil Line

The Dorman 667-640 turbocharger oil line is a direct-fit, standard replacement for select Ford, Lincoln, and Transit applications. Built from aluminum with a metallic gray finish, it is engineered to match the original line’s fit and function for reliable turbo oil supply and return performance.

Key Features

• Specific-fit turbocharger oil line for select vehicles
• Aluminum construction for durable service
• Two-piece configuration for OE-style replacement
• Includes gasket or seal for proper sealing at installation points
• Male end fittings with press inlet fitting design
• Standard replacement grade for factory-style repair
• Compatible with Ford Transit-150, Transit-250, Transit-350, Transit-350 HD, Expedition, F-150, and Lincoln Navigator applications

Detailed Description

Designed for the turbocharger oil circuit, Dorman part number 667-640 restores the oil line connection on the right lower side of the turbo system for select 2016-2023 vehicles. This turbocharger oil line is built to match original fitment requirements and is made from aluminum to support dependable operation in demanding engine bay conditions. It is a specific-fit replacement for the Ford Transit-150, Transit-250, Transit-350, Transit-350 HD, Expedition, F-150, and Lincoln Navigator, and it cross-references Ford FL3Z9G441B and Gates TL203 for the same application. If you are searching for a turbocharger oil line for a 2017-2023 Ford Transit-250 right lower supply and return assembly, Dorman 667-640 is the correct OE-style service part to compare.

What This Part Helps Address

• Oil seepage at the turbocharger oil line connection
• Restricted or damaged turbo oil supply and return routing
• Cracked, corroded, or worn factory oil line components
• Loss of proper sealing at turbocharger oil line joints
• Service replacement needs on turbo-equipped Ford and Lincoln vehicles

Installation Notes and Tips

Verify the vehicle’s year, make, model, and right lower turbocharger line location before installation. This part uses a press inlet fitting and male end connections, so confirm the original routing and connection style match the replacement line. The gasket or seal is included; mounting hardware is not included. For best results, inspect adjacent turbo oil feed and return components for wear, contamination, or damage before reassembly.

Quality Assurance

Dorman designs this turbocharger oil line to match the fit and function of the original part on specified vehicles. The aluminum construction and OE-style configuration support consistent service replacement performance for applications such as the Ford F-150, Ford Expedition, and Lincoln Navigator. Part number 667-640 is built as a standard replacement for direct-fit repair work.