Hella 358095721 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for Chevrolet and GMC Vehicles

The Hella 358095721 Mass Air Flow Sensor is designed to provide accurate airflow measurement for optimal engine performance. This sensor is compatible with select Chevrolet and GMC heavy-duty trucks and vans, ensuring precise air intake readings without a housing for direct integration.

• Housing Type: Without housing for direct mounting
• Mounting Type: Bolted for secure installation
• Number of Connectors: 5-pin connector for reliable electrical connection
• Compatible with Chevrolet Express 2500, Express 3500, Silverado 2500 HD, Silverado 3500 HD
• Compatible with GMC Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 3500 HD

About the Hella Brand Line

Hella is known for producing high-quality automotive sensors and emission control components. The Hella brand line focuses on precision and durability, providing sensors like the 358095721 Mass Air Flow Sensor that meet strict OEM standards. This ensures consistent performance and reliability in emission control systems for Chevrolet and GMC vehicles.

Product Details and Functionality

The Hella 358095721 Mass Air Flow Sensor measures the volume and density of air entering the engine, which is critical for the engine control unit to calculate the correct fuel injection. This sensor features a bolted mounting type for a secure fit and a 5-connector design to maintain stable electrical communication. The absence of a housing allows for direct integration into the vehicle’s air intake system, suitable for heavy-duty applications in Chevrolet Express and GMC Savana vans, as well as Silverado and Sierra HD trucks.

Common Applications and Issues Addressed

• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Prevents rough idling and stalling caused by faulty airflow readings
• Reduces emissions by ensuring accurate sensor data for the ECU
• Addresses check engine light triggers related to mass air flow sensor faults
• Improves fuel efficiency by providing precise airflow measurement

Installation Notes and Tips

When installing the Hella 358095721 Mass Air Flow Sensor, ensure the sensor is mounted securely using the bolted mounting points. Verify the 5-pin connector is properly seated to avoid electrical issues. Since this sensor comes without a housing, handle it carefully to prevent damage during installation. It is recommended to follow vehicle-specific service manuals for torque specifications and sensor calibration procedures.

Quality Assurance and Warranty

Hella products are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 358095721 Mass Air Flow Sensor undergoes rigorous quality control testing. Warranty coverage details should be confirmed with the original parts provider or vehicle manufacturer.