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GM 19330121
Mass Air Flow Sensor

1999-2009 GM

Customer Questions & Expert Answers (30)
GM 19330121 Mass Air Flow Sensor
GM 19330121 Mass Air Flow Sensor
GM 19330121 Mass Air Flow Sensor
GM 19330121 Mass Air Flow Sensor
GM 19330121 Mass Air Flow Sensor
GM 19330121 Mass Air Flow Sensor
GM 19330121 Mass Air Flow Sensor
GM 19330121 Mass Air Flow Sensor
  • Part Description
    Sensor, Computer Control Sensors
  • Replaces
    25318411, 15904068
  • Manufacturer
    General Motors
Make sure this part fits
$319.89 MSRP: $573.80
You Save: $253.91 (45%)
Currently Unavailable

Due to manufacturer supply shortage, this item isn't currently available for ordering.

  • 2001 Cadillac DeVille Mass Air Flow Sensor Diagram for 19330121
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 19330121

  • Vehicle Fitment

    Year Make Model Trim Engine
    2004-2007 Buick RainierCXL, CXL Plus8 Cyl 5.3 L GAS
    2004-2005 Cadillac CTSV8 Cyl 5.7 L GAS
    2000-2005 Cadillac DeVilleBase, DHS, DTS, Protection Series8 Cyl 4.6 L GAS
    2000-2002 Cadillac EldoradoESC, ETC8 Cyl 4.6 L GAS
    2002-2006 Cadillac EscaladeBase8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2003-2006 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2002-2006 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2000-2004 Cadillac SevilleSLS, STS8 Cyl 4.6 L GAS
    2002-2006 Chevrolet Avalanche 1500Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2002-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 19330121 designed for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 19330121 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    Is there any lubricant recommended for installation for the 2006 Buick Rainier? Posted by Customer
    A:
    Use a small amount of a non-silicone based lubricant on the air duct to assist with installation.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    How should the new MAF sensor be installed for the 2005 Cadillac CTS? Posted by Customer
    A:
    Place the new MAF sensor seal and MAF sensor in position, securing it with the MAF sensor screws.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What is the first step to replace the MAF/IAT sensor for the 2002 Cadillac Eldorado? Posted by Customer
    A:
    Disconnect the MAF/IAT sensor electrical connector.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What is the process for installing the MAF/IAT sensor for the 2005 Cadillac DeVille? Posted by Customer
    A:
    Carefully place the MAF/IAT sensor back into the air cleaner and intake air duct, handling it with care.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What should be done after disconnecting the electrical connector for the 2005 Cadillac Escalade EXT? Posted by Customer
    A:
    Loosen the MAF/IAT clamp and remove the sensor from the air cleaner assembly.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    How do you disconnect the MAF/IAT sensor electrical connector for the 2004 Cadillac Escalade ESV? Posted by Customer
    A:
    Pull out the gray connector position assurance (CPA) retainer and push down on the black clip to disconnect the electrical connector.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What should be done to avoid damaging the MAF and IAT sensor during replacement for the 2002 Cadillac Escalade? Posted by Customer
    A:
    Carefully handle the sensor to avoid damaging the honeycell at the air inlet end and ensure that the sensing elements are not touched or contaminated with cleaning solvents or lubricants.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What should be done after installing the MAF/IAT sensor for the 2002 Cadillac Seville? Posted by Customer
    A:
    Install the clamps to secure the MAF/IAT sensor assembly, tightening them to 3 N.m (27 lb in).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What is the final step after installing the new MAF/IAT sensor for the 2003 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Reconnect the MAF/IAT sensor electrical connector, push in the gray CPA retainer, and finally reinstall the air cleaner outlet duct.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What should be done to avoid damaging the MAF/IAT sensor during replacement for the 2002 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Carefully handle the sensor 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.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    How should the MAF/IAT sensor be installed for the 2007 Chevrolet Corvette? Posted by Customer
    A:
    For installation, ensure the arrow on the MAF/IAT sensor is pointing toward the engine to indicate the proper air flow direction.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What lubricant can be used during installation for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Use a small amount of SPO P/N 12345884 lubricant or a soap-based equivalent to assist with installation.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What are the final steps after installing the new MAF/IAT sensor for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Install the sensor onto the air cleaner assembly, tighten the MAF/IAT clamp to 7 N.m (62 lb in), reconnect the electrical connector, push in the gray CPA retainer, and finally reinstall the air cleaner outlet duct.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    How do you disconnect the MAF/IAT sensor electrical connector for the 2005 Chevrolet Tahoe? Posted by Customer
    A:
    Pull out the gray connector position assurance (CPA) retainer and disconnect the electrical connector by pushing down on the black clip.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What do you do after removing the air intake duct for the 2006 Chevrolet SSR? Posted by Customer
    A:
    Take out the MAF/IAT sensor and clamp from the air cleaner assembly.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What is the first step to replace the MAF/IAT sensor for the 2002 Chevrolet Suburban 1500? Posted by Customer
    A:
    Carefully remove the air intake resonator and disconnect the MAF/IAT sensor electrical connector.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What should be done after securing the air cleaner outlet duct for the 2008 Chevrolet Trailblazer? Posted by Customer
    A:
    Tighten the clamps at the MAF/IAT sensor and the throttle body to 7 N.m (62 lb in) and reconnect the MAF/IAT electrical connector.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What is the final step in the replacement process for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Reconnect the electrical connector.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What should be done to avoid damaging the MAF/IAT sensor for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Carefully handle the MAF/IAT sensor 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.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    Can any lubricant be used during installation for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    A small amount of a non-silicone based lubricant can be used on the air duct to assist with installation.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What should be done to avoid damaging the MAF/IAT sensor for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Handle the sensor with care to avoid damaging the honeycell at the air inlet end and ensure that the sensing elements are not touched or contaminated with cleaning solvents or lubricants.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What is the first step in replacing the MAF/IAT sensor for the 2007 GMC Sierra 1500? Posted by Customer
    A:
    Begin by removing the air cleaner outlet resonator.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What should be done after securing the new MAF/IAT sensor for the 2009 GMC Envoy? Posted by Customer
    A:
    Reconnect the engine harness electrical connector to the MAF/IAT sensor.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    How should the MAF/IAT sensor be installed for the 2006 GMC Sierra 3500? 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 ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What should be done to avoid damaging the MAF/IAT sensor during replacement for the 2005 GMC Yukon? Posted by Customer
    A:
    Handle it with care to avoid damaging the honeycell at the air inlet end and ensure that the sensing elements are not touched or contaminated with cleaning solvents or lubricants.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What are the final steps after installing the MAF/IAT sensor for the 2001 GMC Yukon XL 1500? Posted by Customer
    A:
    Install the MAF/IAT sensor onto the air cleaner housing and tighten the clamp, connect the MAF/IAT electrical connector, reinstall the air intake duct to the MAF/IAT sensor and the throttle body, and finally tighten the clamps at the MAF/IAT sensor and the throttle body.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What is the final step after installing the sensor for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Reconnect the engine wiring harness electrical connector to the MAF/IAT sensor and reinstall the air cleaner outlet resonator.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    How should the MAF/IAT sensor be handled during removal for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Handle the MAF/IAT sensor carefully to avoid dropping it or damaging the screen at the air inlet end; do not touch the sensing elements or allow solvents and lubricants to contact them.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Mass Air Flow Sensor
    Q:
    What should be done to avoid damaging the MAF and IAT sensor for the 2004 GMC Yukon XL 2500? Posted by Customer
    A:
    Handle the sensor with care to avoid damaging the honeycell at the air inlet end and ensure that the sensing elements are not touched or contaminated with cleaning solvents or lubricants.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this 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 Mass Air Flow Sensor 19330121 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 19330121 Mass Air Flow Sensor is available in the market under the name GM Mass Air Flow Sensor, Air Charge Temperature Sensor. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 19330121 Mass Air Flow Sensor fits certain Chevrolet Tahoe, SSR, Silverado 1500 models, as well as GMC Sierra 1500, Yukon, Sierra 2500 HD. Additionally, it is compatible with Cadillac Escalade, CTS, DeVille and Buick Rainier models.
The original GM component designated by Manufacturer Part Number 19330121 maintains top performance when functioning as the Sensor, Computer Control Sensors unit. The component 19330121 is constructed from durable material and its dimensions span 9.1 x 7.4 x 6.2 inches while weighing 1.00 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Air Mass Sensor. The part 19330121 has available replacement options 25318411, 15904068. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts? Our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.