Mass Airflow Sensor with Intake Air Temperature Sensor - OE

Our review of the GM Genuine Parts 213-4222 Mass Airflow Sensor with Intake Air Temperature Sensor finds it is a focused, dependable replacement for GM vehicles that need accurate air measurement for proper fueling. This unit is aimed at owners who want a direct-fit, GM-recommended component that restores factory performance and fuel economy. Installers and DIY mechanics will appreciate the straightforward swap and OE-level fit, while anyone chasing improved efficiency or a resolved drivability issue will see the most immediate benefit.

Key Features

• Accurate airflow measurement: Measures the amount of air entering the engine so the engine control module can calculate the correct fuel delivery for efficient combustion.
• Intake air temperature sensing: Built-in IAT sensing helps the engine computer refine fueling and ignition timing for improved performance in varying temperatures.
• GM OE specification: Manufactured to GM OE specification for fit, form, and function to reduce the risk of fitment or calibration issues on compatible vehicles.
• Engineered by GM: Designed and validated by GM engineers for Chevrolet, Buick, GMC, and Cadillac vehicles to match original performance and durability.
• Backed by General Motors: Offers the quality and reliability associated with GM Genuine Parts, giving confidence in long-term service life.
• Direct replacement: Intended as a recommended replacement for the vehicle's original factory component to restore proper engine management.

Who It's For

This mass airflow sensor is best for owners of GM vehicles whose diagnostics or symptoms point to a failing MAF or intake air temperature circuit, such as reduced fuel economy, rough idle, or drivability concerns. It is particularly well suited to DIY mechanics and independent shops that prefer OE-spec parts to maintain factory performance and durability.

Those who should look elsewhere include buyers who need a universal or aftermarket sensor for non-GM vehicles, or users seeking a sensor with aftermarket performance tuning features. For stock replacement and reliable everyday use, this GM-recommended part is the practical choice.

Pros & Cons

Pros

• Direct-fit GM OE specification ensures proper fit and reliable operation in compatible GM vehicles.
• Customers report improved fuel economy and restored drivability after installation.
• Easy installation and correct fit reduce shop time and troubleshooting for most users.

Cons

• Some customers reported mixed experience with engine light behavior, so additional diagnostics may be needed if codes persist.

Specifications

Our Verdict

The GM Genuine Parts 213-4222 MAF with IAT is a sensible, cost-effective OE replacement for GM owners who need to restore factory air metering and improve fuel economy. It delivers the expected fit, durability, and performance of a GM-designed part, making it a smart option for routine maintenance and correcting airflow-related drivability issues.

Frequently Asked Questions

Will this sensor fix a check engine light related to the MAF?
Replacing a faulty MAF/IAT often clears related codes, but persistent engine light issues may require further diagnostics of wiring, connectors, or other sensors.

Is this a direct fit for my GM vehicle?
This unit is manufactured to GM OE specification as a recommended replacement for the original factory component; verify part compatibility with vehicle year and engine before purchase.

Does this improve fuel economy?
Customers report improved fuel economy after installing a functioning OE-quality MAF/IAT sensor because the engine computer can meter fuel more accurately.