Dorman 667-553 Turbocharger Coolant Line - Return

Overview of Dorman Turbocharger Coolant Line 667-553

The Dorman 667-553 turbocharger coolant line is engineered to provide reliable coolant flow for turbocharged BMW engines. Designed specifically for select BMW models, this stainless steel molded assembly ensures durability and proper fitment for optimal turbocharger performance.

• Constructed from corrosion-resistant stainless steel material
• Length of 5.4 inches with a molded assembly shape for precise installation
• Silver color with matching stainless steel fittings
• Both ends feature female fittings without threaded connections
• Inside diameter of 0.31 inches and outside diameter of 0.56 inches
• Compatible with multiple BMW models including 228i, 320i, 328i, 428i, 528i, X1, X3, X4, X5, and Z4

Detailed Product Description

The Dorman turbocharger coolant line part number 667-553 is designed to maintain efficient coolant circulation within the turbocharger system of various BMW vehicles. Its stainless steel construction offers resistance to heat and corrosion, which is critical for the high-temperature environment of turbocharged engines. The molded assembly shape ensures a secure and leak-free connection, while the female fittings on both ends provide compatibility with factory-style connections without the need for threaded fittings. This coolant line measures 5.4 inches in length, with an inside diameter of 0.31 inches and an outside diameter of 0.56 inches, matching OEM specifications for proper flow and fit.

Compatible BMW Models and Applications

This turbocharger coolant line is compatible with a range of BMW models, including the 228i and 228i xDrive, 320i and 320i xDrive, 328i, 328i GT xDrive, 328i xDrive, 428i, 428i Gran Coupe, 428i xDrive, 428i xDrive Gran Coupe, 528i, 528i xDrive, as well as SUVs like the X1, X3, X4, X5, and the Z4 roadster. It is intended for use in turbocharged engines requiring a reliable coolant line to maintain proper turbocharger temperature and performance.

Common Issues Addressed by This Turbocharger Coolant Line

• Prevents coolant leaks caused by cracked or worn turbocharger coolant lines
• Restores proper coolant flow to avoid turbo overheating
• Eliminates coolant contamination from corroded or damaged lines
• Helps maintain turbocharger efficiency and engine performance
• Replaces deteriorated OEM lines to prevent engine damage

Installation Notes and Tips

When installing the Dorman 667-553 turbocharger coolant line, ensure the engine is cool to avoid injury from hot coolant. Verify that both female fittings align correctly with the turbocharger and coolant system connections. Since this line does not use threaded fittings, confirm a secure push-fit or clamp connection to prevent leaks. Inspect surrounding components for wear or damage during installation and replace as necessary to maintain system integrity.

Quality Assurance and Warranty

Dorman manufactures this turbocharger coolant line to meet or exceed OEM standards for fit, form, and function. The stainless steel construction provides enhanced durability in demanding engine environments. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to ensure customer confidence in product reliability.