URO 11511730554PRM Engine Water Pump Pulley

Engine Water Pump Pulley for BMW Models

The URO Engine Water Pump Pulley 11511730554PRM is designed specifically for select BMW vehicles, including the 323i, 325i, 328i, 525i, M3, and Z3 models. This pulley is engineered to maintain optimal cooling system performance by ensuring reliable serpentine belt operation.

• Constructed from durable La-c steel material for strength and longevity
• Black finish for corrosion resistance and a clean appearance
• Fixed pulley type with 6 grooves to accommodate serpentine belts
• Inside diameter of 40.65 mm and outside diameter of 131.9 mm
• Width measures 1.62 inches for precise belt alignment
• Bolted attachment type with 4 mounting holes, each 6.85 mm in diameter

Heavy Duty Aluminum Upgrade, CNC Machined Product Line

This pulley is part of URO's Heavy Duty Aluminum Upgrade, CNC Machined line, which focuses on precision manufacturing and enhanced durability. Although this specific pulley is made from La-c steel, it benefits from CNC machining processes that ensure tight tolerances and consistent fitment for BMW cooling system components.

Product Details and Specifications

The URO 11511730554PRM water pump pulley is engineered to meet the exact specifications required by BMW cooling systems. Its fixed pulley design with six grooves supports serpentine belts, which are common in BMW 3 Series and 5 Series models as well as performance variants like the M3. The bolted attachment type with four mounting holes ensures secure installation and stable operation under engine load. The black finish helps resist corrosion, extending the service life of the pulley in demanding engine environments.

Common Applications and Problem Solving

• Replacement for worn or damaged water pump pulleys in BMW 323i, 325i, 328i, 525i, M3, and Z3 models
• Addresses belt slippage caused by pulley wear or deformation
• Helps prevent overheating issues related to compromised water pump operation
• Restores proper serpentine belt alignment and tension
• Mitigates noise and vibration from faulty pulleys

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Verify that the serpentine belt is properly routed and tensioned after pulley replacement. Use the correct torque specifications for the four mounting bolts to avoid damage or loosening. This pulley does not include mounting hardware, so retain original bolts or source appropriate replacements. Inspect the water pump and belt condition during installation to ensure overall system reliability.

Quality Assurance and Warranty

URO parts are manufactured to meet or exceed OEM standards for fit and function. The 11511730554PRM pulley undergoes CNC machining for precision and durability. While specific warranty details are not provided, URO products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.