GMB 115-1120 Engine Water Pump

Engine Water Pump for BMW V8 Cooling Service

This GMB engine water pump is built to meet or exceed OEM specifications for dependable cooling system service. It is a direct-fit replacement for select BMW models, including the 2006-2010 BMW 550i, 650Ci, 650i, X5, 750i, and 750Li applications listed below.

Key Features

• OEM Standard item grade for factory-style fit and function
• Aluminum construction for durable cooling system performance
• Gaskets included for installation on the listed applications
• Package contents include a paper gasket and O-rings, with one O-ring pre-installed
• New condition replacement water pump
• Primary pump application for the BMW 550i, BMW 650Ci, BMW 650i, BMW X5, BMW 750i, and BMW 750Li

Detailed Description

GMB 115-1120 is an OEM Standard engine water pump engineered for BMW cooling system repair where factory-level fit and material quality matter. The aluminum housing supports reliable operation in demanding engine bay conditions, while the included gasket set helps support a proper seal during replacement. This part is manufactured to meet or exceed OEM specifications and is intended for primary pump applications on select BMW 5 Series, 6 Series, 7 Series, and X5 models.

This part cross-references Airtex AW6238 and Gates 42027 for the same application. If you are replacing a worn BMW water pump on a 2006-2010 BMW 550i or a 2006-2010 BMW 650i, GMB 115-1120 provides a direct replacement option with the listed fitment.

Common Problems This Part Can Address

• Coolant leaks from a worn pump housing or seal area
• Overheating caused by reduced coolant circulation
• Noise from a failing water pump bearing or impeller assembly
• Cooling system service needs during BMW engine maintenance
• Loss of coolant pressure at the primary pump location

Installation Notes and Tips

• Verify the vehicle year, model, and primary pump application before installation.
• Inspect the mating surfaces and cooling passages for residue or damage before fitting the new pump.
• Use the included gasket and O-rings as specified for the application.
• Refill and bleed the cooling system according to BMW service procedures after installation.
• Confirm there is no pulley included with this water pump.

Quality Assurance

GMB manufactures this water pump to OEM-standard requirements for consistent fitment and service replacement quality. Part number 115-1120 is a new replacement component for select BMW cooling system repairs.