11511436590 Water Pump Pulley for BMW Z3 323i 323Ci 330Ci 325Ci 328is

Product Overview

This aftermarket replacement water pump pulley is intended for the listed BMW applications, including Z3, 323i, 323Ci, 330Ci, 325Ci, and 328is models, and cross-references part number 11511436590. A water pump pulley is the wheel that the drive belt turns to operate the engine water pump, which circulates coolant through the cooling system. It is used when servicing or replacing the corresponding pulley on the front of the engine.

Key Features & Performance

• Transfers drive belt rotation to the engine water pump
• Plays a role in the belt-driven accessory system at the front of the engine
• Cross-references part number 11511436590 for comparison with the original
• Supplied for the BMW models named in the listing title
• Intended for use when replacing a worn or damaged pulley

Fitment & Compatibility

• for BMW Z3 applications
• for BMW 323i applications
• for BMW 323Ci applications
• for BMW 330Ci applications
• for BMW 325Ci applications
• for BMW 328is applications

Common Uses

• Replacing a worn, damaged, or noisy water pump pulley
• Servicing the belt-driven cooling system components during engine maintenance
• Restoring normal belt drive to the water pump after the original pulley has failed

Technical Specifications

• Product Type: Water Pump Pulley
• Part Number: 11511436590
• Vehicle Application(s): BMW Z3, 323i, 323Ci, 330Ci, 325Ci, 328is
• General Application: Engine cooling system accessory drive

Frequently Asked Questions

Q: What does a water pump pulley do? A: The pulley is driven by the engine belt and turns the water pump, which circulates coolant through the cooling system.

Q: How should fitment be verified? A: Compare the complete part number 11511436590 and the full model designation of your BMW with the information in this listing before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.