URO 32427553955PRM Power Steering Pump Pulley

BMW Power Steering Pump Pulley Upgrade

This URO Premium power steering pump pulley is a heavy duty aluminum replacement for the factory plastic-style part. It is manufactured to OE pulley dimensions for proper belt alignment and clearances, with fitment for select BMW 1 Series M, 135i, 335i, 335is, 335i xDrive, and 335xi applications.

Part number 32427553955PRM is part of URO’s Heavy Duty Aluminum Upgrade, CNC Machined line, which focuses on re-engineered replacement components built with stronger materials and improved durability for failure-prone OE parts.

Key Features

• Aluminum construction replaces the original plastic pulley design
• CNC-machined heavy duty upgrade for improved strength
• Black corrosion-resistant surface finish
• 7-groove serpentine belt design
• OE-style dimensions for proper pulley alignment
• Bolt-on mount type with 30 mm shaft diameter
• New part with guaranteed fitment
• Limited Lifetime / Unlimited Mileage Warranty

Detailed Description

The URO 32427553955PRM power steering pump pulley is built for BMW steering systems that use a serpentine belt drive. With a 4.72-inch outside diameter, 33.5 mm pulley width, and 23.75 mm belt width, it is engineered to match OE power steering pump pulley dimensions and maintain correct belt tracking. The aluminum body and alloy construction are intended to handle engine heat and vibration better than the original plastic component.

This part cross-references Genuine 32427553955 and VAICO V20-2937 for the same application. It is a direct-fit option for BMW 335i power steering pulley replacement needs, as well as BMW 135i and 1 Series M service work where the original pulley has worn, cracked, or lost alignment. The part number 32427553955PRM is also useful when searching for a BMW E9x power steering pump pulley upgrade.

Fitment

• Fits 2011-2013 BMW 335is, N/A. Made from Aluminum; Heavy Duty Aluminum Upgrade, CNC Machined
• Fits 2011 BMW 1 Series M, N/A. Made from Aluminum; Heavy Duty Aluminum Upgrade, CNC Machined
• Fits 2008-2010 BMW 135i, N/A. Made from Aluminum; Heavy Duty Aluminum Upgrade, CNC Machined
• Fits 2007-2010 BMW 335i, N/A. Made from Aluminum; Heavy Duty Aluminum Upgrade, CNC Machined
• Fits 2009-2010 BMW 335i xDrive, N/A. Made from Aluminum; Heavy Duty Aluminum Upgrade, CNC Machined
• Fits 2007-2008 BMW 335xi, N/A. Made from Aluminum; Heavy Duty Aluminum Upgrade, CNC Machined

Common Problems This Part Can Address

• Cracked or broken OEM plastic pulley
• Belt misalignment from worn pulley dimensions
• Noise from pulley wear or surface damage
• Heat-related deterioration of the original part
• Vibration-related failure in the steering drive system

Installation Notes and Tips

Verify pulley dimensions, groove count, and shaft diameter before installation. This pulley uses a bolt mount and is designed for serpentine belt applications, so belt routing and alignment should be checked after installation. No instructions are included, and mounting hardware is not included.

Quality Assurance

URO Premium products are re-engineered replacement parts built with upgraded materials and a more robust design than the original failure-prone component. This pulley carries a Limited Lifetime / Unlimited Mileage Warranty and is identified by the PRM suffix in the part number.