Standard Ignition MAS0439 Mass Air Flow Sensor

Overview of Standard Ignition Mass Air Flow Sensor MAS0439

The Standard Ignition MAS0439 Mass Air Flow Sensor is designed for precise air measurement in select Audi models. This sensor ensures accurate airflow data for optimal engine performance in vehicles like the Audi A8 Quattro, R8, S6, and S8.

• Bolt-on attachment method for secure installation
• Female oval connector with one connection point
• Durable plastic construction for long-lasting use
• Complete assembly with two bolt holes for mounting
• Five male blade terminals for reliable electrical contact

Detailed Product Description

The Standard Ignition MAS0439 is a mass air flow sensor engineered to provide accurate airflow readings to the engine control unit. Featuring a bolt-on attachment method, this sensor mounts securely using two bolt holes, ensuring stable positioning within the intake system. The sensor includes a single female oval connector designed to interface with the vehicle’s wiring harness, providing a reliable electrical connection through five male blade terminals. Constructed from durable plastic materials, this complete assembly is built to withstand the operating conditions found in Audi A8 Quattro, R8, S6, and S8 models.

Compatible Vehicles and Applications

This mass air flow sensor is compatible with the following Audi models:

• Audi A8 Quattro
• Audi R8
• Audi S6
• Audi S8

It is specifically designed to replace the original equipment sensor, maintaining factory specifications and ensuring proper engine management system function.

Common Issues Addressed by MAS0439 Sensor

• Erratic engine idle or stalling
• Reduced fuel efficiency and increased emissions
• Check engine light triggered by airflow sensor faults
• Poor acceleration or hesitation during throttle response
• Engine performance issues related to inaccurate air measurement

Installation Notes and Tips

• Ensure the engine is cool before installation to avoid injury
• Disconnect the battery to prevent electrical shorts
• Use the two bolt holes to securely mount the sensor in place
• Verify the female oval connector is fully seated with the vehicle harness
• Inspect wiring and terminals for corrosion or damage before installation

Quality Assurance and Warranty

Standard Ignition provides this MAS0439 mass air flow sensor as a complete assembly meeting OEM standards. The sensor undergoes rigorous quality control to ensure reliable performance and durability. Warranty coverage details should be confirmed with the product documentation or supplier.