ACDelco 2131585 Mass Air Flow Sensor

The ACDelco 2131585 Mass Air Flow (MAF) Sensor is a precision-engineered replacement sensor designed to accurately measure the amount of air entering the engine. This critical component sends data to the engine control module (ECM) to help maintain optimal air-fuel ratios, ensuring proper engine performance, fuel efficiency, and emissions control.

Key Features:

• Direct-fit replacement for original equipment on select GM vehicles
• Hot-wire sensing element provides accurate airflow measurements
• Integrated air temperature sensor for comprehensive engine management
• Durable housing designed to withstand engine bay conditions
• Factory-style electrical connector for reliable installation
• Helps maintain proper fuel economy and engine performance

This ACDelco genuine GM sensor is manufactured to strict OE specifications, ensuring reliable operation and long service life. A faulty mass air flow sensor can cause poor acceleration, rough idling, decreased fuel economy, and check engine light illumination. Replacing a failing MAF sensor with this quality ACDelco unit restores proper engine management system function.