Cardone 74-50030 Mass Air Flow Sensor

Cardone Mass Air Flow Sensor for Audi and Volkswagen

The Cardone 74-50030 remanufactured mass air flow sensor restores accurate airflow feedback for proper engine management. It is built to track original equipment output curves and maintain tight tolerances, helping support smooth operation on 2000-2005 Volkswagen Passat and select 2000-2001 Audi A4, A4 Quattro, A6, and A6 Quattro applications.

Key Features

• Remanufactured OE-style mass air flow sensor for precise airflow measurement
• Tracks original equipment output curves for accurate scan tool readings
• 100% re-soldering of critical components for stronger electrical connections
• Automated computer testing for functionality and reliability
• On-car validation routines for form, fit, durability, and performance
• Earth-friendly remanufacturing process that reduces raw material and energy use
• Mounting type: bolt-on; mounting hole quantity: 2
• Package contents: mass air flow sensor and instruction sheet

Product Details

Cardone’s Mass Air Flow Sensor line focuses on restoring accurate engine air measurement with remanufactured OE parts that match factory fit and output behavior. The 74-50030 is engineered to maintain specific tolerances so the engine control system receives dependable airflow data, which supports consistent drivability in Audi A4, Audi A6, and Volkswagen Passat applications. This part cross-references Audi and Volkswagen OE number 078133471E for the same application.

Issues This Sensor May Help Resolve

• Hesitation during acceleration
• Stalling or rough running
• Poor fuel economy
• Poor engine performance
• Intermittent airflow signal faults

Installation Notes and Tips

Fits 2000-2005 Volkswagen Passat, N/A. Fits 2000-2001 Audi A4, N/A. Fits 2000-2001 Audi A4 Quattro, N/A. Fits 2000-2001 Audi A6, N/A. Fits 2001 Audi A6 Quattro, N/A. Before installing the Cardone 74-50030, inspect the air filter, intake tract, connectors, and wiring for dirt, debris, looseness, cracks, or moisture intrusion. A restricted air duct, damaged wiring, or contaminated intake system can damage the replacement sensor or create repeat faults.

Quality Assurance

Each unit is tested with automated computer equipment and validated on vehicle to confirm functionality and performance. The remanufacturing process includes full re-soldering of critical components and is intended to deliver reliable electrical connections and long service life.