TVM TRAVERMAN Mass Air Flow (MAF) Sensor for Chevy Silverado / GMC Sierra — Replaces 10393948, OEM-fit sealed electronics

The TVM TRAVERMAN Mass Air Flow (MAF) Sensor accurately measures intake air for compatible GM V8/V6 engines so your ECU can restore proper fuel delivery and smoother running.

If your Chevy, GMC or Cadillac shows rough idle, hesitation, or a check-engine light after years of service, a worn MAF sensor is often the cause. This replacement is engineered to match OEM signal characteristics and fit directly into the intake tract between the airbox and throttle body. It’s built to handle engine- bay heat, vibration and contaminants while delivering stable voltage and frequency output that modern engine computers expect.

How will this MAF sensor affect drivability?

Installing the correct air mass sensor helps the engine computer calculate fuel flow more precisely, which can reduce stumbling, poor throttle response and erratic idle. Once the sensor provides stable airflow data, fueling and ignition timing stabilize across the RPM range.

• Restores consistent air-to-fuel calculations for smoother acceleration.
• Reduces hesitation during throttle transitions and load changes.
• Helps eliminate surging or unstable idle caused by incorrect airflow readings.

Which vehicles and part numbers does this replace?

This TVM TRAVERMAN unit is designed for a wide range of GM trucks and SUVs across late-2000s and early-2010s model years. It directly replaces several common OE references so you can match it to your original sensor.

• Compatible with Chevy Silverado 1500/2500HD/3500HD, Tahoe, Suburban, Avalanche (2009–2015 ranges listed).
• Fits GMC Sierra 1500/2500HD/3500HD, Yukon and Yukon XL models within the same years.
• Also fits Cadillac Escalade (including ESV and EXT) and CTS models noted; replaces 10393948 and other OEM numbers.

What makes this sensor reliable and easy to install?

TVM TRAVERMAN builds this MAF to meet or exceed OEM performance with sealed electronics and a vibration-resistant housing. Basic hand tools and common steps are all that’s needed for replacement on most vehicles—no dealer programming typically required.

• Precision-calibrated hot-wire sensing element for predictable airflow output.
• Durable housing and sealed connector protect against heat and moisture.
• Simple swap procedure: disconnect battery, remove clamp and plug, swap sensor, reconnect and test drive.

When should I consider replacing my MAF sensor?

Replace the MAF if the vehicle shows persistent rough running, poor fuel economy, or recurring engine codes after cleaning. If basic cleaning doesn’t restore consistent readings, a new sensor matched to your OE part numbers is the next step.

• Persistent check-engine light with airflow or fuel trim codes.
• Rough idle, hard starting, or sudden decrease in throttle responsiveness.
• After failed bench or in-vehicle testing, or when a diagnostic points to MAF failure.

Who is this for? The TVM TRAVERMAN MAF sensor is intended for DIY mechanics, independent repair shops and fleet owners running compatible Chevy, GMC or Cadillac trucks and SUVs from the specified model years who need a direct-fit, OEM-referenced replacement. It suits anyone wanting a tested, vehicle-specific airflow sensor to bring fueling back to factory-like behavior without complex programming or custom tuning.