Dorman 66248 Turbocharger Oil Supply / Return Line Seal Kit

Turbocharger Oil Line Seal Kit for Ford and Lincoln

Dorman 66248 is a turbocharger oil supply and return line seal kit for select Ford and Lincoln vehicles. It is built to restore a secure seal between the turbo and engine, helping maintain proper oil line sealing on applications such as the Ford F-150, Ford Transit, and Lincoln Navigator.

Key Features

• Turbocharger oil supply / return line seal kit for specified applications
• Engineered to match original equipment performance
• Includes sealing components such as gaskets, O-rings, and metal crush washers as listed for the application
• Steel gasket material and copper washer material for sealing service points
• Brown rubber O-rings with 0.57 in inside diameter and 0.77 in outside diameter
• Direct replacement reference: Dorman 66248

Detailed Description

This Dorman turbocharger oil supply return line seal kit is designed for vehicles that use a sealed turbo-to-engine oil line connection. The kit is built around OE-style sealing dimensions and materials to help restore the connection at the turbocharger oil supply and return lines. It is a practical service part for turbocharged Ford and Lincoln platforms, including the Ford F-150, Ford Transit-150, Transit-250, Transit-350, Transit-350 HD, Explorer, Taurus, Expedition, and Lincoln Navigator, MKT, and MKS. This part cross-references Ford OE numbers such as AA5Z00815B and BL3Z6N652A for the same application.

What It Helps Address

• Oil seepage at the turbocharger supply or return line seal
• Loss of sealing integrity between the turbo and engine
• Service replacement for worn gaskets, O-rings, or crush washers
• Leak-related maintenance on turbocharged Ford and Lincoln engines
• Fitment-specific sealing repair on 2010-2024 applications

Installation Notes and Tips

Verify the vehicle application before ordering, since seal kit content varies by engine and turbo line design. Match the existing sealing style and dimensions to the vehicle-specific listing for the correct fit. Clean the sealing surfaces thoroughly before installation and inspect the turbo oil line hardware for wear, distortion, or damage that could affect sealing.

Quality Assurance

Dorman designs this kit to match original equipment performance for the listed applications. Use the vehicle fitment details to confirm the correct seal kit for your Ford or Lincoln turbocharger oil line service.