Genuine 11511730554 Engine Water Pump Pulley

BMW Water Pump Pulley Replacement

This Genuine engine water pump pulley, part number 11511730554, is a direct-fit cooling system component for select BMW models. It is a plastic pulley used in the belt drive system to support proper water pump operation on compatible BMW Z3, 323i, 328i, M3, 528i, 325i, 325is, and 525i applications.

Key Features

• Genuine OE replacement engine water pump pulley
• Plastic construction for the listed BMW applications
• Supports the accessory belt drive at the water pump
• Direct fit for select 1990-2002 BMW models
• Part number 11511730554 for accurate ordering and lookup

Fitment Details

• Fits 1999-2002 BMW Z3, N/A, Plastic
• Fits 1997 BMW Z3, N/A, Plastic
• Fits 1998-1999 BMW 323i, N/A, Plastic
• Fits 1998-1999 BMW 323is, N/A, Plastic
• Fits 1996-1999 BMW 328i, N/A, Plastic
• Fits 1996-1999 BMW 328is, N/A, Plastic
• Fits 1994-1999 BMW M3, N/A, Plastic
• Fits 1997-1998 BMW 528i, N/A, Plastic
• Fits 1992-1995 BMW 325i, N/A, Plastic
• Fits 1992-1995 BMW 325is, N/A, Plastic
• Fits 1990-1995 BMW 525i, N/A, Plastic

What This Part Helps Address

• Worn or cracked water pump pulley surfaces
• Belt tracking issues at the water pump drive
• Noise from a damaged pulley in the cooling system
• Loss of proper accessory belt support on BMW engines
• Replacement needs during cooling system service

Installation Notes

Verify the pulley style and application before installation. Confirm the part number 11511730554 against the existing component and match it to the vehicle’s year, model, and cooling system configuration. Professional installation is recommended for accurate belt alignment and proper torque during service.

Quality Assurance

Genuine OE replacement part for the listed BMW applications. This part cross-references BMW OE number 11511730554 for the same application.