Standard Ignition MAS0431 Mass Air Flow Sensor

Overview of Standard Ignition Mass Air Flow Sensor MAS0431

The Standard Ignition MAS0431 Mass Air Flow Sensor is designed specifically for BMW 745i and 745Li models. This sensor features a complete assembly with a female oval connector and a male blade terminal configuration, ensuring precise airflow measurement for optimal engine performance.

• Complete assembly for direct replacement
• Female oval connector with one connection point
• Five male blade terminals for secure electrical contact
• Compatible with BMW 745i and 745Li models
• Part number MAS0431 for accurate identification

Detailed Product Description

The Standard Ignition MAS0431 is a mass air flow sensor engineered to provide accurate measurement of the air entering the engine. It features a single female oval connector with one connection point, designed to interface seamlessly with the vehicle’s wiring harness. The sensor includes five male blade terminals, which offer reliable electrical connections essential for consistent sensor performance. This complete assembly replaces the original sensor, maintaining factory specifications and ensuring proper engine management system operation in BMW 745i and 745Li vehicles.

Compatible Vehicles and Applications

This mass air flow sensor is compatible with BMW 745i and 745Li models, making it a suitable replacement part for these specific vehicles. Using the Standard Ignition MAS0431 ensures that the sensor matches the original equipment manufacturer’s design and fitment requirements.

• Helps resolve engine performance issues related to inaccurate air flow readings
• Addresses rough idling or stalling caused by faulty mass air flow sensors
• Improves fuel efficiency by providing precise air measurement data
• Reduces emissions by ensuring proper air-fuel mixture
• Eliminates check engine light triggers related to mass air flow sensor faults

Installation Notes and Tips

Installation of the Standard Ignition MAS0431 mass air flow sensor requires careful handling to avoid damage to the sensor or connector terminals. Ensure the female oval connector aligns correctly with the vehicle’s wiring harness. Verify that all five male blade terminals are securely connected to maintain proper electrical contact. It is recommended to disconnect the battery before installation to prevent electrical shorts. After installation, clear any diagnostic trouble codes and perform a system check to confirm proper sensor operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The MAS0431 mass air flow sensor undergoes rigorous quality control testing to ensure consistent functionality. This part typically includes a limited warranty covering defects in materials and workmanship, offering peace of mind for professional and DIY installers alike.