Hepu P1573 Engine Water Pump

Engine Water Pump for Mercedes-Benz V8 Cooling

The Hepu P1573 engine water pump is an OEM-standard mechanical replacement built for Mercedes-Benz cooling systems that demand precise fit and reliable circulation. It is engineered for a correct installation on select Mercedes-Benz SL550, S550, E550, CLS550, GL550, GL63 AMG, GLE63 AMG, and related applications.

With German-engineered components, this water pump is designed for proper alignment, easier installation, and consistent cooling performance. The P1573 also includes accessories, gaskets, and seals for the listed applications.

Key Features

• Brand: Hepu
• Part number: P1573
• Mechanical engine water pump design
• OEM Standard item grade
• Includes accessories, gaskets, and seals
• New condition
• High-tech mechanical seals and bearings
• Pressure and leakage tested for OE-quality validation

Detailed Description

The Hepu P1573 water pump is a direct-fit cooling system component for select Mercedes-Benz models equipped with a mechanical pump setup. It is built to support proper coolant circulation in vehicles such as the Mercedes-Benz SL550, S550, E550, CLS550, and GL550, along with AMG and Maybach applications listed in the fitment data. The part number P1573 is associated with OEM-standard construction and precise component engineering for dependable service.

This water pump is intended for drivers and technicians replacing a worn or leaking pump on Mercedes-Benz V8 applications. The included gaskets and seals help support a cleaner installation on the specified vehicles, while the mechanical design matches the original cooling system configuration.

Common Problems This Part Can Address

• Coolant leakage from a worn water pump seal
• Overheating caused by reduced coolant circulation
• Noisy or rough pump operation from bearing wear
• Cooling system service on a Mercedes-Benz SL550, S550, or E550
• Replacement of an aging mechanical water pump on AMG and GL/GLS applications

Installation Notes and Tips

Verify engine code and production date before ordering, especially on models with split-year fitment notes such as 2011-2014 Mercedes-Benz CL550, CLS550, E550, GL450, GL550, ML550, and 2012 applications with specific build-date coverage. Confirm that the vehicle uses a mechanical water pump configuration. Inspect the cooling system, belts, hoses, and thermostat during service to help prevent repeat failures.

• Fits 2013-2020 Mercedes-Benz SL550, N/A
• Fits 2016-2019 Mercedes-Benz GLE63 AMG, N/A
• Fits 2016-2019 Mercedes-Benz GLE63 AMG S, N/A
• Fits 2017-2019 Mercedes-Benz GLS550, N/A
• Fits 2017-2019 Mercedes-Benz GLS63 AMG, N/A
• Fits 2015-2019 Mercedes-Benz SL63 AMG, N/A
• Fits 2013-2018 Mercedes-Benz CLS550, N/A
• Fits 2015-2018 Mercedes-Benz G63 AMG, N/A
• Fits 2013-2017 Mercedes-Benz E550, N/A
• Fits 2017 Mercedes-Benz Maybach S550, N/A
• Fits 2012-2017 Mercedes-Benz S550, N/A
• Fits 2015-2016 Mercedes-Benz GL550, N/A
• Fits 2013 Mercedes-Benz GL550, N/A
• Fits 2015-2016 Mercedes-Benz GL63 AMG, N/A
• Fits 2015 Mercedes-Benz ML63 AMG, N/A
• Fits 2013-2014 Mercedes-Benz CL550, N/A
• Fits 2013-2014 Mercedes-Benz GL450, N/A
• Fits 2014 Mercedes-Benz GL550, N/A
• Fits 2012-2014 Mercedes-Benz ML550, N/A
• Fits 2012 Mercedes-Benz CL550, N/A
• Fits 2012 Mercedes-Benz CLS550, N/A
• Fits 2012 Mercedes-Benz E550, N/A
• Fits 2011 Mercedes-Benz CL550, N/A

Quality Assurance

Hepu states that its German engineering approach is used across the component set to support proper fit and easier installation. The P1573 water pump is also described as having to pass pressure and leakage testing, with mechanical seals and bearings selected to help reduce premature leaks.