Gates HHA153 HVAC Heater Pipe - Reservoir Inlet

OE Exact Coolant Tube for Mercedes-Benz

The Gates HHA153 coolant tube is an OE Exact replacement for the reservoir inlet on select Mercedes-Benz models. Built from molded plastic with a precise formed shape, it is made to match the original routing and connection points for a direct-fit repair.

Gates Coolant Tube parts are engineered for accurate fitment and dependable service in cooling system repairs. This HHA153 coolant tube includes a seal and is shaped to follow the factory layout for easier installation on the specified Mercedes-Benz applications.

Key Features

• OE Exact coolant tube for factory-style replacement
• Molded plastic construction
• Includes seal
• Centerline length: 21.12 in. (536 mm)
• Outside diameter: 0.37 in. (9 mm)
• Reservoir inlet application
• Gates HHA153 part number

Detailed Description

The Gates HHA153 is an HVAC heater pipe/coolant tube designed for the reservoir inlet connection on 2003-2006 Mercedes-Benz E500, 2004-2005 Mercedes-Benz E320, and 2006 Mercedes-Benz CLS500. As an OE Exact coolant tube, it uses molded plastic construction and precise forming to replicate the original tube shape and fit. The included seal supports a proper connection at the cooling system interface. For buyers searching for a Mercedes-Benz E500 reservoir inlet coolant tube or a Mercedes-Benz E320 coolant tube replacement, this part number provides a direct-reference solution. The Gates HHA153 also cross-references Genuine 2115010125 for the same application.

Common Repair Uses

• Cracked or brittle coolant tube at the reservoir inlet
• Coolant seepage from a worn tube connection
• Improper fit after a previous cooling system repair
• Restoring factory routing on Mercedes-Benz E500, E320, or CLS500 models
• Replacing a damaged molded plastic heater pipe

Installation Notes and Tips

Verify the reservoir inlet location and compare the original tube length, diameter, and routing before installation. Inspect the mating surfaces and replace any damaged seals or related components as needed. Confirm fitment by model year and application: Fits 2006 Mercedes-Benz CLS500, Reservoir Inlet; Fits 2003-2006 Mercedes-Benz E500, Reservoir Inlet; Fits 2004-2005 Mercedes-Benz E320, Reservoir Inlet.

Quality Assurance

Gates OE Exact coolant tubes are built with high-quality materials and precise molding for accurate fitment and long service life. The HHA153 is manufactured to match original equipment dimensions and connection points for the listed Mercedes-Benz applications.