GMB 115-1040 Engine Water Pump

Engine Water Pump for BMW 325e, 528e

This GMB engine water pump is built to meet or exceed OEM specifications for dependable cooling system service. It is an OEM standard replacement for select BMW applications, including BMW 325e and BMW 528e models, with fitment coverage also extending to BMW 325es, 325i, and 325is applications.

Key Features

• GMB Part Number: 115-1040
• Engine water pump for select BMW 3 Series and 5 Series applications
• OEM standard grade construction
• Aluminum housing material
• Gaskets included for installation
• New condition replacement part
• No pulley included

Product Details

The GMB 115-1040 water pump is engineered as an OE-style cooling system replacement for BMW models that require accurate coolant circulation and stable operating temperatures. Built from aluminum and supplied with a paper gasket, this pump is intended for direct replacement service where OEM-level fit and function are required. This part cross-references Airtex AW9119 and Bosch 18254 for the same application.

Vehicle Fitment

• Fits 1984-1987 BMW 325e, N/A
• Fits 1986-1987 BMW 325es, N/A
• Fits 1987 BMW 325i, N/A
• Fits 1987 BMW 325is, N/A
• Fits 1982-1987 BMW 528e, N/A

Common Repair Uses

• Coolant leakage from a worn water pump housing or seal
• Overheating caused by reduced coolant circulation
• Noise or bearing wear from an aging pump assembly
• Cooling system service during timing or front-engine maintenance
• Restoration of factory cooling performance on BMW 325e and 528e models

Installation Notes

Confirm engine application and gasket surface condition before installation. Replace the gasket during service, clean mating surfaces thoroughly, and inspect hoses, thermostat, and coolant condition while the cooling system is open. Verify pulley requirements separately, since this pump does not include a pulley.

Quality Assurance

GMB manufactures this water pump to meet or exceed OEM specifications and supplies it as a new, OEM standard replacement part for consistent service quality.