Dorman 667-324 Turbocharger Coolant Line - Return (Left)

Dorman 667-324 Turbocharger Coolant Line

Dorman 667-324 is a turbocharger coolant line built to match the fit and function of the original line on specified Mercedes-Benz applications. This molded nylon assembly uses metal fittings and OE-style dimensions to support reliable coolant routing in turbocharged systems.

Key Features

• Direct replacement turbocharger coolant line for specified Mercedes-Benz vehicles
• Molded nylon construction with black finish
• Metal end fittings for secure connection points
• Female inlet and male outlet configuration
• OE-grade replacement for factory-style fit and routing
• Designed for the return (left) coolant line position

Detailed Description

This Dorman turbocharger coolant line, part number 667-324, is engineered for vehicles that require a factory-style coolant return line at the turbocharger. The molded assembly follows the original shape and dimensions for proper routing, while the nylon body and metal fittings are selected for durability in a high-heat engine bay environment. It is a direct-fit replacement for Mercedes-Benz CL550, CLS550, E550, CL63 AMG, E63 AMG, ML63 AMG, and S63 AMG applications listed below. This part cross-references Mercedes-Benz OE numbers 2782000751 and 2782001100 for the same application.

Vehicle Fitment

• Fits 2011-2013 Mercedes-Benz CL550, Return (Left)
• Fits 2012-2013 Mercedes-Benz CLS550, Return (Left), w/Option Code 228 (Auxiliary Heater)
• Fits 2012-2013 Mercedes-Benz E550, Return (Left), w/Option Code 228 (Auxiliary Heater)
• Fits 2012 Mercedes-Benz CL63 AMG, Return (Left), To 12/13/11
• Fits 2012 Mercedes-Benz E63 AMG, Return (Left), To 12/13/11
• Fits 2012 Mercedes-Benz ML63 AMG, Return (Left), To 12/13/11
• Fits 2012 Mercedes-Benz S63 AMG, Return (Left), To 12/13/11
• Fits 2011 Mercedes-Benz CL63 AMG, Return (Left)
• Fits 2011 Mercedes-Benz S63 AMG, Return (Left)

What It Helps Fix

• Cracked or leaking turbocharger coolant line
• Damaged factory coolant routing at the turbocharger
• Coolant seepage at worn end fittings
• Heat-related deterioration of the original nylon line
• Fitment issues caused by a non-OE-style replacement line

Installation Notes and Tips

Verify the vehicle’s year, model, engine configuration, and option code before ordering. This line is specified for the return (left) position and uses a female-to-male fitting arrangement with a 14 mm x 10 threaded end on the inlet side. Confirm the original routing and connection style against the removed part to ensure correct installation on Mercedes-Benz CL550, CLS550, E550, and AMG applications.

Quality Assurance

Dorman designs this turbocharger coolant line to match the original line’s fit and function on the listed vehicles. The molded assembly, nylon construction, and metal fittings are selected to support dependable OE-style replacement performance.