C-Tzu Mass Air Flow (MAF) Sensor for Cadillac Chevy GMC — Direct-Fit Replaces 10393948, OEM-Style, 12-Month Warranty

The C-Tzu Mass Air Flow (MAF) Sensor 10393948 is a direct-fit replacement that measures incoming air to restore precise engine fueling and smooth performance for compatible GM V8/V6 vehicles.

When a vehicle’s ECU receives incorrect airflow data, drivability issues like rough idle, reduced fuel economy, or check-engine lights can appear. The C-Tzu MAF Sensor (replaces 10393948, 23256991, AF10060) is built as a new OEM-style unit to give your Cadillac, Chevy, or GMC the accurate airflow readings it needs. It’s engineered for simple installation, consistent response across temperatures, and long-term reliability backed by a 12-month warranty.

How quickly can I install this MAF sensor and what tools do I need?

Installation is straightforward and typically completed in about 10 minutes because this sensor is a direct replacement for the factory unit. Basic hand tools and a safe procedure are all that’s required; detailed steps reduce the chance of error even for beginner DIYers.

• Turn off ignition and disconnect the battery ground cable to prevent electrical faults.
• Unclip the electrical connector and loosen the intake clamps or screws holding the sensor.
• Swap the old sensor with the C-Tzu unit, secure clamps, reconnect the plug, and reset ECU/clear codes if necessary.

Will this sensor fit my vehicle and which part numbers does it replace?

The C-Tzu MAF sensor is compatible with many GM models from the 2009–2015 era; always confirm fitment using your vehicle’s make, model, year, and trim. It is engineered to replace several OEM reference numbers so you can match it to the original part quickly.

• Common compatible models: Cadillac CTS (2009–2015), Escalade (2009–2014)
• Also fits: Chevy Avalanche, Silverado 1500 (2009–2013), Silverado 2500HD & 3500HD (2009–2015)
• GMC Sierra 1500 & 2500HD (2009–2014), Chevy Tahoe, Yukon XL and other similar GM platforms
• Direct replacements for: 10393948, 23256991, AF10060, MAF300, 917-1067, 5S13836

How does this MAF sensor affect engine performance and fuel efficiency?

Accurate airflow readings are essential for the ECU to calculate fuel delivery and ignition timing. The C-Tzu sensor provides fast response and stable measurements so the engine can return to expected idle behavior, throttle response, and fuel economy without unnecessary excess emissions.

• Delivers precise airflow data to help restore factory fuel trims and idle stability.
• Stable operation across a wide temperature range avoids fluctuating readings.
• Manufactured and tested to meet or exceed OEM tolerances for reliability.

What warranty and support are included if I have issues after installation?

The sensor is sold new (not remanufactured) and comes with a 12-month warranty that covers manufacturing defects. C-Tzu provides customer service to arrange a replacement or refund if the unit fails under normal use during the warranty period.

• 12-month limited warranty on workmanship and materials.
• All units inspected and airflow-tested before shipping.
• Responsive customer support for troubleshooting or warranty claims.

Who is this for: The C-Tzu 10393948 MAF Sensor is intended for owners and technicians of GM trucks and SUVs from the late 2000s to mid-2010s who need a reliable, OEM-compatible airflow sensor. It’s a good choice for DIY mechanics looking to replace a failing MAF quickly, fleet managers wanting a cost-effective reliable part, and repair shops that need a tested aftermarket alternative to keep vehicles running as designed.