A-Premium Mass Air Flow Sensor 5-Pin Replacement for GM Vehicles — Direct-Fit, ±3% Accuracy

A-Premium's 5-pin Mass Air Flow (MAF) sensor precisely measures incoming air volume and density so the engine computer can optimize fuel delivery. This high-quality replacement MAF sensor is engineered as a direct-fit aftermarket part for a wide range of General Motors and select import vehicles. Built with a reinforced PBT+GF30 plastic body and aluminum alloy elements, it reproduces factory mounting, electrical connections, and airflow response for consistent performance. The sensor's 5-pin configuration, bolt-on mounting, and compact footprint make installation straightforward for professional technicians and experienced DIYers.

Which vehicles will this sensor fit?

This A-Premium MAF covers many GM models and some compatible import applications across multiple engine sizes and years. Always cross-check reference numbers and your vehicle's part number before ordering.

• Chevrolet: Malibu (2008–2012 2.4L), Camaro (2010–2015 6.2L), Cobalt, Trailblazer, HHR, Equinox, Colorado, Impala, Corvette, Spark, Captiva Sport.
• GMC, Buick, Cadillac, Pontiac, Saturn, Saab, Hummer, Hyundai, Isuzu fitments listed for specific years and engines.
• Reference numbers include 12576410, 15865791, AFH70M-43A, MAF0034, MAS0141 for verification.

How accurate and durable is this MAF sensor?

The sensor is designed for stable readings and long service life using durable materials and tight manufacturing tolerances. It delivers repeatable airflow output so the engine control unit can adjust fuel delivery precisely.

• Measuring range: 0–9.25 m³/min for broad engine coverage.
• Specified accuracy: ±3% to maintain reliable fueling inputs.
• Materials: PBT+GF30 plastic housing with aluminum alloy elements for strength.
• Electrical: 5-pin terminal configuration rated for 12V operation.

What should I expect during installation and testing?

Installation is bolt-on with two mounting holes and a 5-pin connector that matches factory harnesses for direct replacement. After fitting, the ECU may require a short drive cycle to re-learn airflow baselines; scan-tool checks can confirm proper operation.

• Mounting type: bolt-on with two bolt holes—no housing required.
• Terminal: 5-pin pin-style electrical connector matching factory wiring.
• Basic post-install checks: clear fault codes, observe live MAF readings, confirm expected airflow values at idle and RPM.
• No special programming typically required—drop-in replacement for supported vehicles.

How does a functioning MAF sensor affect driveability?

A correctly operating MAF sensor helps the engine maintain proper air/fuel mixture across conditions, contributing to smoother idle, consistent throttle response, and reduced chance of drivability faults related to air measurement errors.

• Enables accurate fuel metering across temperatures and loads.
• Helps prevent intermittent airflow-related trouble codes when within spec.
• Supports engine efficiency and stable combustion under varied conditions.

Who is this for: This A-Premium 5-pin MAF sensor is intended for owners and technicians replacing a failing or out-of-spec mass air flow sensor on supported GM and specified import models. It suits repair shops, fleet maintenance, and experienced DIYers who need an OEM-style, direct-fit aftermarket option that mirrors factory connector and mounting details. Always verify compatibility with VIN, engine code, or OEM reference numbers before purchase to ensure correct application.

FAQ

Q: Does this MAF require programming after installation?

A: No special programming is usually needed; clear codes and run a short drive cycle for the ECU to relearn baseline readings.

Q: How do I confirm it fits my vehicle?

A: Match your VIN or OEM part number to listed reference numbers (12576410, 15865791, AFH70M-43A, MAF0034, MAS0141).