Gates 23746 Radiator Coolant Hose - Upper

Gates 23746 Molded Coolant Hose Overview

The Gates 23746 molded coolant hose is a radiator coolant hose built for specific vehicle applications with OE-style routing and integrated modular features. It is made from EPDM, plastic, and steel for use in the cooling system on select Mercedes-Benz C240 and C320 models.

Gates Molded Coolant Hose products are part of a modular hose line that follows application-specific OE-style layouts, including integrated components such as branches and quick-connect fittings where required.

Key Features

• Part number: 23746
• Fits 2001-2005 Mercedes-Benz C240, upper
• Fits 2001-2005 Mercedes-Benz C320, upper
• Molded coolant hose with OE-style shape and routing
• Constructed from EPDM, plastic, and steel
• Includes one quick-connect fitting and modular branch components
• Centerline length: 21 in. (533 mm)
• End inside diameters: 1.25 in. (32 mm), 1.55 in. (39 mm), and 0.3 in.

Detailed Description

Gates 23746 is a molded radiator coolant hose for upper cooling system routing on 2001-2005 Mercedes-Benz C240 and 2001-2005 Mercedes-Benz C320 models. The hose follows the application-specific layout used in the vehicle’s cooling circuit and incorporates modular hose features, including a branch and a male quick connector, to match the required OE-style configuration. If you are replacing a worn upper coolant hose on a Mercedes-Benz C240 or Mercedes-Benz C320, this part number 23746 provides the correct molded form factor for the listed applications.

This part cross-references Dayco 72745 for the same application.

Common Replacement Reasons

• Coolant seepage from a cracked or aged hose body
• Softening, swelling, or hardening of the hose material
• Leakage at the quick-connect or branch connection
• Restricted coolant flow caused by hose deterioration
• Loss of proper upper hose routing after prior repair work

Installation Notes and Tips

Verify the vehicle year, model, and upper hose routing before installation. Inspect mating connections, clamps, and adjacent cooling system parts for wear or residue before transferring the new hose into place. Confirm that the quick-connect fitting seats fully and that the hose follows the original routing without twist or tension.

Quality Assurance

Gates is a recognized automotive aftermarket supplier with a modular coolant hose line built around application-specific OE-style configurations. The 23746 hose is manufactured to align with the listed Mercedes-Benz fitment and integrated component layout.