Dorman 667-705 Turbocharger Coolant Line - Supply (Right)

Turbocharger Coolant Line for Mercedes-Benz Applications

Dorman 667-705 is a turbocharger coolant line built to match the fit and function of the original line on specified Mercedes-Benz vehicles. It uses steel and rubber construction with a molded assembly shape for a direct replacement on the right-side supply circuit.

Designed for Mercedes-Benz models such as the E550, S550, and CLS550, this turbocharger coolant line supports proper coolant routing in turbocharged systems. The Dorman 667-705 part number is also a useful reference when verifying the correct replacement for the original line.

Key Features

• Direct replacement turbocharger coolant line for specified Mercedes-Benz turbo applications
• Steel and rubber construction for durability and heat resistance
• Molded assembly shape for OE-style routing and fit
• Male inlet and outlet fittings
• Standard replacement grade for service repairs
• Black and metallic gray finish
• Cross-reference: Rein CHT0749 for the same application

Detailed Product Overview

This turbocharger coolant line is engineered for the supply (right) side on a wide range of Mercedes-Benz vehicles, including the E500, E550, S550, SL550, CLS550, GL550, ML550, and related AMG models. Dorman 667-705 is built to match the original line’s fit and function, helping maintain proper coolant flow through the turbocharger circuit. The molded design, 8.67-inch centerline length, 0.21-inch inside diameter, and 14mm x 10 threaded end specification support accurate replacement where the factory line has worn, leaked, or failed.

For buyers searching for a Mercedes-Benz turbocharger coolant line, turbo coolant pipe, or right-side supply line replacement, this part number provides a direct-fit service solution. It is also a practical match for vehicles across the 2011-2020 model years listed in the fitment data, including Mercedes-Benz GLE63 AMG, GLS63 AMG, S63 AMG, and G63 AMG applications.

What This Part Helps Address

• Coolant leaks from a damaged turbocharger coolant line
• Cracked or heat-aged rubber sections in the coolant circuit
• Corrosion or wear in the original steel line
• Poor fit from an incorrect aftermarket replacement
• Service needs on the right-side turbo coolant supply line

Installation Notes and Tips

Verify the vehicle’s year, make, model, and supply (right) position before ordering. Confirm the end fitting style and threaded specification against the original line, especially on Mercedes-Benz E550, S550, and CLS550 turbocharged applications. Inspect adjacent hoses, clamps, and sealing surfaces during replacement so the new line can be installed on a clean, leak-free system.

Quality Assurance

Dorman designs this turbocharger coolant line as a standard replacement part made from quality materials for reliable performance and durability. The Dorman 667-705 part number is intended to provide OE-style fit and function for the listed Mercedes-Benz applications.