Hepu P427 Engine Water Pump

BMW Electric Water Pump Replacement

The Hepu P427 engine water pump is an OEM-standard electric replacement built for precise fitment and reliable cooling performance. It is engineered for BMW applications that require an electric pump, with bolts and screws noted for the listed vehicles.

• OEM Standard item grade for direct replacement use
• Electric water pump design
• New condition
• Bolts included
• High-tech mechanical seals and bearings to help reduce premature leakage
• Pressure and leakage tested to meet original equipment quality expectations
• Precise German engineering for proper fit and easier installation

Detailed Product Overview

Hepu P427 is an electric engine water pump for select BMW models, including the BMW X3, BMW X4, BMW X5, 228i, 328i, 428i, 528i, Z4, and X1. This part number is built to match the original cooling system layout on vehicles that use an electric pump, helping maintain stable coolant circulation and consistent engine temperature control. The P427 is a practical OE-style replacement for drivers servicing BMW cooling system failures or replacing a worn pump during preventive maintenance.

This part cross-references common OE-style replacement applications for the same vehicle coverage. The Hepu P427 is a direct-fit cooling component for BMW electric pump applications and is identified by part number P427.

Common Problems This Part Can Address

• Coolant circulation loss from a failing electric water pump
• Overheating caused by pump wear or internal seal failure
• Coolant leaks from degraded pump bearings or seals
• Temperature fluctuations tied to weak coolant flow
• Cooling system service needs on BMW models with electric pump setups

Installation Notes and Tips

Verify the vehicle’s engine cooling system uses an electric water pump before ordering. Confirm the BMW model, year, and application details against the fitment list for P427. Inspect the cooling system for related wear items, coolant condition, and any signs of leakage before installation. Follow the manufacturer’s service procedure for bleeding and refilling the cooling system after replacement.

Quality Assurance

Hepu states that its water pumps undergo pressure and leakage testing, with mechanical seals and bearings selected to help prevent early leaks. The brand also emphasizes precise German engineering for correct fit and straightforward installation. Part number P427 is supplied as a new, OEM-standard replacement.

Compatible BMW Applications

• Fits 2015-2018 BMW X4, N/A; Electric; Includes Bolts and Screws
• Fits 2016-2018 BMW X5, N/A; Electric; Includes Bolts and Screws
• Fits 2013-2017 BMW X3, N/A; Electric; Includes Bolts and Screws
• Fits 2014-2016 BMW 228i, N/A; Electric; Includes Bolts and Screws
• Fits 2015-2016 BMW 228i xDrive, N/A; Electric; Includes Bolts and Screws
• Fits 2012-2016 BMW 328i, N/A; Electric; Includes Bolts and Screws
• Fits 2014-2016 BMW 328i GT xDrive, N/A; Electric; Includes Bolts and Screws
• Fits 2013-2016 BMW 328i xDrive, N/A; Electric; Includes Bolts and Screws
• Fits 2014-2016 BMW 428i, N/A; Electric; Includes Bolts and Screws
• Fits 2015-2016 BMW 428i Gran Coupe, N/A; Electric; Includes Bolts and Screws
• Fits 2014-2016 BMW 428i xDrive, N/A; Electric; Includes Bolts and Screws
• Fits 2015-2016 BMW 428i xDrive Gran Coupe, N/A; Electric; Includes Bolts and Screws
• Fits 2012-2016 BMW 528i, N/A; Electric; Includes Bolts and Screws
• Fits 2012-2016 BMW 528i xDrive, N/A; Electric; Includes Bolts and Screws
• Fits 2012-2016 BMW Z4, N/A; Electric; Includes Bolts and Screws
• Fits 2013-2015 BMW X1, N/A; Electric; Includes Bolts and Screws