Atlantic Automotive Enterprises PU100-618 Power Steering Pump Pulley

Power Steering Pump Pulley for Audi and Volkswagen

Atlantic Automotive Enterprises PU100-618 is a standard replacement power steering pump pulley built with steel construction and a black finish. It is manufactured with OE-quality components and inspected and tested for proper operation and fitment.

Compatible with select Audi A4, A6, A8, S4, S6, S8, RS6, Allroad Quattro, and Volkswagen Passat applications, this pulley is a direct-fit service part for serpentine belt systems. Part number PU100-618 also cross-references 078145255H for the same application.

Key Features

• Steel pulley construction for strength and durability
• Black finish
• Standard replacement grade
• Bolt-on mount type with 3 mounting holes
• Serpentine belt type
• OE-quality components with inspection and testing for fitment and operation

Detailed Description

PU100-618 is a power steering pump pulley for vehicles using a serpentine belt drive. It is built as a bolt-on, steel replacement pulley with three mounting holes, making it suitable for service on Audi and Volkswagen steering systems that require OE-style pulley fitment. The part number PU100-618 is commonly searched for Audi A4 Quattro power steering pump pulley replacement, Audi A6 power steering pulley service, and Volkswagen Passat steering component repair.

This pulley is listed for 1995-2006 Audi A4, A4 Quattro, A6, A6 Quattro, A8, A8 Quattro, S4, S6, S8, RS6, and Allroad Quattro, plus 1998-2005 Volkswagen Passat. For 1995 Audi A6 and A6 Quattro applications, fitment applies from the specified VIN breakpoints.

Common Issues This Part May Address

• Worn or damaged power steering pump pulley
• Belt tracking noise from a misaligned pulley
• Cracked or bent pulley surfaces
• Loss of proper serpentine belt drive engagement
• Service replacement after steering system repair

Installation Notes and Tips

Verify pulley diameter, belt routing, and mounting style before installation. This part uses a bolt-on design and does not include mounting hardware. Confirm the vehicle’s engine and VIN-specific fitment where noted, especially on 1995 Audi A6 and A6 Quattro applications. Inspect the serpentine belt and related steering components for wear during replacement.

Quality Assurance

Atlantic Automotive Enterprises states that these new power steering pulleys are made with OE-quality components and undergo thorough inspection and testing to support OE operation and fitment.