2007–2010 LMM Duramax Diesel Mass Air Flow MAF Sensor GM 98002762 / ACDelco 213-3856

Maintain proper airflow measurement and restore performance with the Genuine GM ACDelco 98002762 / 213-3856 Mass Air Flow (MAF) Sensor, designed for 2007.5–2010 Chevrolet Silverado HD and GMC Sierra HD trucks equipped with the 6.6L LMM Duramax diesel engine.

The MAF sensor measures the volume of air entering the engine, which allows the ECU to balance the air-fuel mixture for optimal combustion. On LMM Duramax engines, common MAF issues include dirt or contamination on the hot wires, wiring harness problems, connector faults, or intake air leaks.

Symptoms of a Failing or Dirty MAF Sensor:
- Check engine light (often P0101 code)
- Reduced engine power / limp mode
- Rough or unstable idle
- Poor fuel efficiency
- Hesitation, stalling, or engine vibration

Fixing MAF Sensor Issues:
- Clean sensor using dedicated MAF cleaner
- Inspect wiring harness and connectors for damage
- Check for intake air leaks
- Verify EGR system is functioning properly

Features & Benefits:
- Genuine GM OEM part – ACDelco GM Original Equipment
- Direct-fit replacement for Silverado & Sierra HD
- Ensures accurate airflow readings for proper fueling
- Restores power, fuel economy, and drivability
- Engineered and validated by GM for durability

OEM & Interchange Numbers:
GM #: 98002762
ACDelco #: 213-3856
Interchange: 2451194, SK2451194, 5S8058, MAF0084, MAF304, 221224, MAS0354, 59113, MG0049, MA364, AF10150, 7450064
UPC: 707773164358

Vehicle Fitment:
2007.5–2010 Chevrolet Silverado 2500HD / 3500HD (6.6L LMM Duramax Diesel)
2007.5–2010 GMC Sierra 2500HD / 3500HD (6.6L LMM Duramax Diesel)