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GM 23256991
Mass Air Flow Sensor

2009-2016 GM

Customer Questions & Expert Answers (5)
GM 23256991 Mass Air Flow Sensor
GM 23256991 Mass Air Flow Sensor
  • Part Description
    Sensor Assembly-Mass Airflow
  • Replaces
    10393948
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number23256991
    Part DescriptionSensor Assembly-Mass Airflow
    Other NamesAir Mass Sensor; Sensor, Computer Control Sensors
    Item Dimensions6.1 x 4.2 x 4.2 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces10393948
    ManufacturerGeneral Motors
    SKU23256991
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Trim Engine
    2009-2015 Cadillac CTSBase, Luxury, Performance, Premium, V6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 6.2 L GAS
    2009-2014 Cadillac EscaladeBase, Hybrid, Hybrid Platinum, Luxury, Platinum, Premium8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.2 L FLEX
    2009-2014 Cadillac Escalade ESVBase, Luxury, Platinum, Premium8 Cyl 6.2 L FLEX
    2009-2013 Cadillac Escalade EXTBase, Luxury, Premium8 Cyl 6.2 L FLEX
    2009-2013 Chevrolet AvalancheBlack Diamond LS, Black Diamond LT, Black Diamond LTZ, LS, LT, LTZ8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2009-2013 Chevrolet Silverado 1500Hybrid, LS, LT, LTZ, WT, XFE6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
    2009-2016 Chevrolet Silverado 2500 HDHigh Country, LT, LTZ, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    2009-2016 Chevrolet Silverado 3500 HDHigh Country, LT, LTZ, WT8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    2009-2014 Chevrolet Suburban 1500LS, LT, LTZ8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2009-2013 Chevrolet Suburban 2500LS, LT8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    View More
  • Customer Questions & Expert Answers

    Q:
    Can you help me check if this 23256991 is the right part for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 23256991 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What type of lubricant should be used during installation for the 2009 Cadillac Escalade? Posted by Customer
    A:
    Use a small amount of a non-silicone based lubricant on the air duct to assist with installation.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Mass Air Flow Sensor
    Q:
    What should be done to avoid damaging the Mass Airflow Sensor (MAF) or Intake Air Temperature Sensor (IAT) during replacement for the 2009 Chevrolet Silverado 1500? Posted by Customer
    A:
    Handle the MAF/IAT sensor carefully to avoid damaging the honeycell at the air inlet end; do not touch the sensing elements or allow any cleaning solvents or lubricants to contact them. Use only a small amount of a non-silicone based lubricant on the air duct to assist with installation.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Mass Air Flow Sensor
    Q:
    What is the first step in replacing the MAF/IAT sensor for the 2010 GMC Sierra 1500? Posted by Customer
    A:
    Begin by removing the air cleaner outlet resonator.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Mass Air Flow Sensor
    Q:
    How should the MAF/IAT sensor be installed for the 2009 GMC Sierra 1500? Posted by Customer
    A:
    Ensure the embossed arrow on the MAF/IAT sensor points toward the engine, then install the sensor back into the air cleaner assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Mass Air Flow Sensor
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 23256991, Excellent Performance and Perfect Fitment

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