Standard Ignition MAS0279 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for Chevrolet and GMC Trucks

The Standard Ignition MAS0279 Mass Air Flow Sensor is designed to provide accurate airflow measurement for select Chevrolet and GMC heavy-duty trucks. This sensor ensures your engine control unit receives precise data to optimize fuel delivery and emissions control.

• Bolt-on attachment method for secure installation
• Female oval connector with one connection point
• Durable plastic construction housing the sensor element
• Two bolt holes for stable mounting
• Five male blade terminals for reliable electrical connection
• Sensor only, housing not included

Detailed Product Description

The Standard Ignition MAS0279 is a mass air flow sensor engineered for use in Chevrolet Express 2500 and 3500, GMC Savana 2500 and 3500, as well as Chevrolet Silverado 2500 HD and 3500 HD, and GMC Sierra 2500 HD and 3500 HD models. This sensor features a bolt-on attachment method with two bolt holes, ensuring a secure fit in the air intake system. The sensor includes a female oval connector with a single connection point, designed to mate with the vehicle’s wiring harness. Constructed from durable plastic, the sensor element is built to withstand the operating environment under the hood. The five male blade terminals provide a stable and corrosion-resistant electrical interface. Note that this part is the sensor only and does not include the housing.

Common Applications and Problem Resolution

• Restores accurate air flow measurement for proper engine fuel management
• Helps resolve rough idling and engine hesitation issues
• Addresses check engine light codes related to mass air flow sensor faults
• Improves fuel efficiency by providing correct air intake data
• Supports emissions control compliance in heavy-duty Chevrolet and GMC trucks

Installation Notes and Tips

Installation of the MAS0279 mass air flow sensor requires removal of the old sensor from the air intake assembly. The bolt-on design with two bolt holes allows for straightforward replacement. Ensure the female oval connector is securely attached to the vehicle’s wiring harness to maintain proper electrical connection. Since the housing is not included, reuse the existing housing from the original sensor. Handle the sensor carefully to avoid damage to the plastic body and terminals.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The MAS0279 mass air flow sensor undergoes rigorous quality control to ensure reliable performance in Chevrolet and GMC heavy-duty trucks. Warranty coverage details should be confirmed with the product documentation or supplier.