Gates 51965 HVAC Heater Hose - Reservoir To Radiator

Gates 51965 Molded Coolant Hose Overview

The Gates 51965 molded coolant hose is built for specific vehicle applications and follows OE-style routing and connection points. It is a direct-fit HVAC heater hose solution for the 2002-2005 Mercedes-Benz C230 reservoir to radiator connection, with molded construction that helps maintain proper coolant flow and hose alignment.

Gates molded coolant hose 51965 is part of the Molded Coolant Hose line, which focuses on application-specific replacement hoses with integrated features that match original equipment layouts. For Mercedes-Benz C230 cooling system service, this hose supports a clean, factory-style fit at the reservoir-to-radiator path.

Key Features

• Application-specific molded coolant hose for HVAC heater hose service
• Fits 2002-2005 Mercedes-Benz C230, reservoir to radiator
• EPDM and plastic construction for coolant system use
• OE-style molded shape for routing consistency
• Male quick connector and tube end configuration
• 23-inch centerline length for the listed application
• Gates part number 51965 for easy identification

Detailed Product Description

This Gates 51965 hose is engineered for the 2002-2005 Mercedes-Benz C230 reservoir to radiator connection and is shaped to follow the original hose path. The molded design helps preserve the intended routing in the engine bay, while the integrated quick-connector style end supports the factory-style connection used on the application. Gates positions this Molded Coolant Hose line as an OE-style replacement solution for vehicles that use specific hose geometry and connection details.

For buyers searching for a Mercedes-Benz C230 molded coolant hose, HVAC heater hose, or reservoir to radiator hose replacement, part number 51965 provides a direct reference point. This part cross-references Rein CHE0615 for the same application.

Common Problems This Hose Can Address

• Cracked or leaking coolant hose at the reservoir-to-radiator route
• Collapsed or softened hose material from age and heat exposure
• Improper hose routing after a previous repair
• Damaged quick-connector style end at the factory connection point
• Coolant seepage related to worn molded hose sections

Installation Notes and Tips

Confirm the vehicle year, make, model, and reservoir-to-radiator position before installation. Inspect the mating tube, connector surfaces, and nearby coolant components for wear, residue, or damage before transferring the new hose into place. Verify that the hose follows the original routing without twist or tension, and check the connection points after the cooling system is refilled and brought to operating temperature.

Quality Assurance

Gates is a recognized aftermarket supplier of modular coolant hose assemblies and application-specific replacement hoses. The 51965 is built to match the listed Mercedes-Benz C230 application with OE-style fitment details and integrated connection features.