URO 11517840403 Engine Water Pump Pulley

Overview of URO Engine Water Pump Pulley 11517840403

The URO Engine Water Pump Pulley 11517840403 is designed for precise fitment on select BMW models including the M3, Z3, and Z4. This black aluminum pulley features a fixed water pump design optimized for serpentine belt systems, ensuring reliable engine cooling performance.

• Color: Black finish for corrosion resistance
• Material: Durable aluminum construction
• Inside Diameter: 40 mm for exact fit
• Outside Diameter: 116 mm (4.57 inches)
• Width: 1.738 inches
• Number of Pulley Grooves: 6 grooves compatible with serpentine belts
• Attachment Type: Bolt-on installation
• Pulley Type: Fixed water pump pulley

Detailed Product Description

This URO engine water pump pulley (part number 11517840403) is engineered to meet the specifications required by BMW M3, Z3, and Z4 vehicles. Constructed from aluminum, it offers a balance of lightweight design and durability, helping maintain optimal water pump operation. The pulley’s 6-groove serpentine belt configuration ensures proper belt alignment and tension, which is critical for efficient engine cooling system function. Its bolt attachment type allows for secure mounting without the need for additional hardware.

Applications and Common Issues Addressed

• Replacement for worn or damaged water pump pulleys on BMW M3, Z3, and Z4 models
• Resolves belt slippage caused by pulley wear or deformation
• Prevents overheating issues related to inefficient water pump operation
• Addresses noise or vibration problems stemming from pulley misalignment
• Supports maintenance of serpentine belt system integrity

Installation Notes and Tips

Installation requires removal of the existing water pump pulley and securing the new pulley using the bolt attachment method. Ensure the serpentine belt is properly aligned with all six grooves to avoid premature belt wear. It is recommended to inspect the water pump and belt condition during installation to confirm overall system health. No mounting hardware is included with this part, so retain original bolts or source compatible fasteners.

Quality Assurance and Warranty

URO parts are manufactured to meet or exceed OEM standards for fit and function. The 11517840403 engine water pump pulley undergoes quality checks to ensure durability and performance consistency. While specific warranty details are not provided, URO products typically come with a limited warranty against manufacturing defects. Verify warranty terms with the supplier or manufacturer documentation.