Dorman 667-557 Turbocharger Oil Line

Overview of Dorman Turbocharger Oil Line 667-557

The Dorman 667-557 turbocharger oil line is designed specifically for select BMW models, including the 335d and X5. Crafted from durable aluminum, this silver-colored, one-piece oil line ensures reliable oil delivery to your turbocharger system.

• Constructed from corrosion-resistant aluminum material
• Measures 5.5 inches in length for precise fitment
• Silver finish complements engine bay aesthetics
• One-piece configuration for simplified installation
• Female fittings on both ends for secure connections
• Standard replacement grade for dependable performance
• Compatible with BMW 335d and X5 turbocharger systems

Detailed Product Description

The Dorman turbocharger oil line part number 667-557 is engineered as a direct replacement for the original equipment on BMW 335d and X5 models. Its aluminum construction offers excellent resistance to heat and corrosion, critical for maintaining oil flow integrity under turbocharged engine conditions. The 5.5-inch length and one-piece design provide a precise fit and reduce potential leak points. Both ends feature female fittings, ensuring compatibility with the existing turbocharger oil system connections. This part is a standard replacement grade, meeting OEM specifications without including mounting hardware or gaskets.

Applications and Problem Resolution

• Restores proper oil flow to the turbocharger in BMW 335d and X5 vehicles
• Replaces damaged or corroded turbocharger oil lines causing leaks
• Prevents oil starvation and potential turbocharger failure
• Addresses oil line wear from heat exposure and engine vibrations
• Ensures secure and leak-free oil connections with female fittings

Installation Notes and Tips

When installing the Dorman 667-557 turbocharger oil line, ensure the engine is cool to avoid burns. Verify that the female fittings align correctly with the turbocharger and oil supply ports. Since mounting hardware and gaskets are not included, reuse existing components if in good condition or source replacements separately. Inspect all connections for leaks after installation and perform a test run to confirm proper oil flow.

Quality Assurance and Warranty

Dorman manufactures this turbocharger oil line to meet standard replacement quality levels, ensuring reliable performance and durability. While specific warranty details are not provided, Dorman parts typically come with a limited warranty against defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty information.