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Delphi AF10043 Mass Air Flow SensorOE Quality 60-Day Returns
Part #: AF10043

Delphi AF10043 Mass Air Flow Sensor

212 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, Hummer, Saab, Buick, Cadillac, Isuzu, Pontiac, and Oldsmobile, Trailblazer, Envoy, H2, 9-7x, Rainier, Corvette, Silverado 1500 Classic, Silverado 1500 HD Classic, Silverado 2500 HD Classic, Silverado 3500 Classic, Sierra 1500 Classic, Sierra 1500 HD Classic, Sierra 2500 HD Classic, Sierra 3500 Classic, Escalade, Escalade ESV, Escalade EXT, Avalanche 1500, Avalanche 2500, Silverado 1500, Silverado 1500 HD, Silverado 2500 HD, Silverado 3500, SSR, Suburban 1500, Suburban 2500, Tahoe, Trailblazer EXT, Envoy XL, Sierra 1500, Sierra 1500 HD, Sierra 2500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500, Ascender, GTO, CTS, DeVille, Envoy XUV, Bonneville, Seville, Silverado 2500, Sierra 2500, Aurora, and Eldorado
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Not what you need? See all Mass Air Flow Sensor options

Delphi Mass Air Flow Sensor AF10043 Overview

The Delphi Mass Air Flow Sensor AF10043 is designed to provide accurate airflow measurement for optimal engine performance. This sensor is compatible with a range of GM and related vehicles, including Buick, Cadillac, Chevrolet, GMC, and more, ensuring precise fitment and reliable operation.

  • Color: Black and silver housing for durability and corrosion resistance
  • Includes housing for complete assembly protection
  • Blade terminal type with 5 male terminals for secure electrical connection
  • Single oval-shaped female connector for easy plug-in installation
  • Bolt-on mounting type for straightforward replacement
  • Premium item grade ensuring consistent sensor performance
  • Package includes mass air flow sensor complete assembly and instruction sheet

Detailed Product Description

The Delphi AF10043 Mass Air Flow Sensor is engineered to measure the volume and density of air entering the engine, which is critical for the engine control unit to calculate the correct air-fuel mixture. Featuring a black and silver housing, this sensor is built to withstand harsh engine environments. The included housing protects the sensor element, while the blade terminal type with five male terminals and a single oval female connector ensures a secure and reliable electrical connection. The bolt-on mounting design simplifies installation, making it suitable for professional mechanics and experienced DIYers alike.

Compatible Vehicles and Applications

This mass air flow sensor is compatible with various models from Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, and Saab. Notable compatible models include the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, Buick Rainier, and Saab 9-7x, among others. The part number AF10043 ensures you receive the correct sensor for these specific vehicles.

Common Issues Addressed by Delphi AF10043

  • Engine stalling or rough idling due to inaccurate airflow readings
  • Reduced fuel efficiency caused by improper air-fuel mixture
  • Check Engine Light triggered by faulty mass air flow sensor signals
  • Loss of engine power or hesitation during acceleration
  • Difficulty starting the engine or poor throttle response

Installation Notes and Tips

Installation of the Delphi AF10043 sensor requires removal of the old sensor and bolt-on mounting of the new unit. Ensure the electrical connector is securely attached to avoid signal interruptions. It is recommended to inspect the air intake system for leaks or debris before installation. Follow the included instruction sheet carefully to maintain sensor integrity and proper function.

Quality Assurance and Warranty

Delphi manufactures this mass air flow sensor to premium standards, ensuring reliable performance and durability. The AF10043 is tested to meet OEM specifications for fit, form, and function. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in your purchase.

BrandDelphi
Part NumberAF10043
ColorBlack and Silver
Connector GenderFemale
Connector Quantity1
Connector ShapeOval
Housing IncludedYes
Item GradePremium
Mounting TypeBolt-On
Package ContentsMass Air Flow Sensor - Complete Assembly, Instruction Sheet
Terminal GenderMale
Terminal Quantity5
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 212 vehicles. Search below:

YearMakeModelSubmodelFuel TypePositionNotes
2009ChevroletTrailblazerN/ACompatible with all model vehicles.
2009GMCEnvoyN/ACompatible with all model vehicles.
2009HummerH2N/ACompatible with all model vehicles.
2009Saab9-7xN/ACompatible with all model vehicles.
2008ChevroletTrailblazerN/ACompatible with all model vehicles.
2008GMCEnvoyN/ACompatible with all model vehicles.
2008HummerH2N/ACompatible with all model vehicles.
2008Saab9-7xN/ACompatible with all model vehicles.
2007BuickRainierN/ACompatible with all model vehicles.
2007ChevroletCorvetteN/ACompatible with all model vehicles.
2007ChevroletSilverado 1500 ClassicN/ACompatible with all model vehicles.
2007ChevroletSilverado 1500 HD ClassicN/ACompatible with all model vehicles.
2007ChevroletSilverado 2500 HD ClassicN/ACompatible with all model vehicles.
2007ChevroletSilverado 3500 ClassicN/ACompatible with all model vehicles.
2007ChevroletTrailblazerN/ACompatible with all model vehicles.
2007GMCEnvoyN/ACompatible with all model vehicles.
2007GMCSierra 1500 ClassicN/ACompatible with all model vehicles.
2007GMCSierra 1500 HD ClassicN/ACompatible with all model vehicles.
2007GMCSierra 2500 HD ClassicN/ACompatible with all model vehicles.
2007GMCSierra 3500 ClassicN/ACompatible with all model vehicles.
2007HummerH2N/ACompatible with all model vehicles.
2007Saab9-7xN/ACompatible with all model vehicles.
2006BuickRainierN/ACompatible with all model vehicles.
2006CadillacEscaladeN/ACompatible with all model vehicles.
2006CadillacEscalade ESVN/ACompatible with all model vehicles.
2006CadillacEscalade EXTN/ACompatible with all model vehicles.
2006ChevroletAvalanche 1500N/ACompatible with all model vehicles.
2006ChevroletAvalanche 2500N/ACompatible with all model vehicles.
2006ChevroletCorvetteN/ACompatible with all model vehicles.
2006ChevroletSilverado 1500N/ACompatible with all model vehicles.
2006ChevroletSilverado 1500 HDN/ACompatible with all model vehicles.
2006ChevroletSilverado 2500 HDN/ACompatible with all model vehicles.
2006ChevroletSilverado 3500N/ACompatible with all model vehicles.
2006ChevroletSSRN/ACompatible with all model vehicles.
2006ChevroletSuburban 1500N/ACompatible with all model vehicles.
2006ChevroletSuburban 2500N/ACompatible with all model vehicles.
2006ChevroletTahoeN/ACompatible with all model vehicles.
2006ChevroletTrailblazerN/ACompatible with all model vehicles.
2006ChevroletTrailblazer EXTN/ACompatible with all model vehicles.
2006GMCEnvoyN/ACompatible with all model vehicles.
2006GMCEnvoy XLN/ACompatible with all model vehicles.
2006GMCSierra 1500N/ACompatible with all model vehicles.
2006GMCSierra 1500 HDN/ACompatible with all model vehicles.
2006GMCSierra 2500 HDN/ACompatible with all model vehicles.
2006GMCSierra 3500N/ACompatible with all model vehicles.
2006GMCYukonN/ACompatible with all model vehicles.
2006GMCYukon XL 1500N/ACompatible with all model vehicles.
2006GMCYukon XL 2500N/ACompatible with all model vehicles.
2006HummerH2N/ACompatible with all model vehicles.
2006IsuzuAscenderN/ACompatible with all model vehicles.
2006PontiacGTON/ACompatible with all model vehicles.
2006Saab9-7xN/ACompatible with all model vehicles.
2005BuickRainierN/ACompatible with all model vehicles.
2005CadillacCTSN/ACompatible with all model vehicles.
2005CadillacDeVilleN/ACompatible with all model vehicles.
2005CadillacEscaladeN/ACompatible with all model vehicles.
2005CadillacEscalade ESVN/ACompatible with all model vehicles.
2005CadillacEscalade EXTN/ACompatible with all model vehicles.
2005ChevroletAvalanche 1500N/ACompatible with all model vehicles.
2005ChevroletAvalanche 2500N/ACompatible with all model vehicles.
2005ChevroletCorvetteN/ACompatible with all model vehicles.
2005ChevroletSilverado 1500N/ACompatible with all model vehicles.
2005ChevroletSilverado 1500 HDN/ACompatible with all model vehicles.
2005ChevroletSilverado 2500 HDN/ACompatible with all model vehicles.
2005ChevroletSilverado 3500N/ACompatible with all model vehicles.
2005ChevroletSSRN/ACompatible with all model vehicles.
2005ChevroletSuburban 1500N/ACompatible with all model vehicles.
2005ChevroletSuburban 2500N/ACompatible with all model vehicles.
2005ChevroletTahoeN/ACompatible with all model vehicles.
2005ChevroletTrailblazer EXTN/ACompatible with all model vehicles.
2005GMCEnvoyN/ACompatible with all model vehicles.
2005GMCEnvoy XLN/ACompatible with all model vehicles.
2005GMCEnvoy XUVN/ACompatible with all model vehicles.
2005GMCSierra 1500N/ACompatible with all model vehicles.
2005GMCSierra 1500 HDN/ACompatible with all model vehicles.
2005GMCSierra 2500 HDN/ACompatible with all model vehicles.
2005GMCSierra 3500N/ACompatible with all model vehicles.
2005GMCYukonN/ACompatible with all model vehicles.
2005GMCYukon XL 1500N/ACompatible with all model vehicles.
2005GMCYukon XL 2500N/ACompatible with all model vehicles.
2005HummerH2N/ACompatible with all model vehicles.
2005IsuzuAscenderN/ACompatible with all model vehicles.
2005PontiacBonnevilleN/ACompatible with all model vehicles.
2005PontiacGTON/ACompatible with all model vehicles.
2005Saab9-7xN/ACompatible with all model vehicles.
2004BuickRainierN/ACompatible with all model vehicles.
2004CadillacCTSN/ACompatible with all model vehicles.
2004CadillacDeVilleN/ACompatible with all model vehicles.
2004CadillacEscaladeN/ACompatible with all model vehicles.
2004CadillacEscalade ESVN/ACompatible with all model vehicles.
2004CadillacEscalade EXTN/ACompatible with all model vehicles.
2004CadillacSevilleN/ACompatible with all model vehicles.
2004ChevroletAvalanche 1500GASN/ACompatible with all model vehicles.
2004ChevroletAvalanche 2500N/ACompatible with all model vehicles.
2004ChevroletCorvetteBaseN/ACompatible with all model vehicles.
2004ChevroletSilverado 1500N/ACompatible with all model vehicles.
2004ChevroletSilverado 2500N/ACompatible with all model vehicles.
2004ChevroletSilverado 2500 HDN/ACompatible with all model vehicles.
2004ChevroletSilverado 3500N/ACompatible with all model vehicles.
2004ChevroletSSRN/ACompatible with all model vehicles.
2004ChevroletSuburban 1500N/ACompatible with all model vehicles.
2004ChevroletSuburban 2500N/ACompatible with all model vehicles.
2004ChevroletTahoeN/ACompatible with all model vehicles.
2004ChevroletTrailblazer EXTN/ACompatible with all model vehicles.
2004GMCEnvoy XLN/ACompatible with all model vehicles.
2004GMCEnvoy XUVN/ACompatible with all model vehicles.
2004GMCSierra 1500N/ACompatible with all model vehicles.
2004GMCSierra 2500N/ACompatible with all model vehicles.
2004GMCSierra 2500 HDN/ACompatible with all model vehicles.
2004GMCSierra 3500N/ACompatible with all model vehicles.
2004GMCYukonN/ACompatible with all model vehicles.
2004GMCYukon XL 1500N/ACompatible with all model vehicles.
2004GMCYukon XL 2500N/ACompatible with all model vehicles.
2004HummerH2N/ACompatible with all model vehicles.
2004IsuzuAscenderN/ACompatible with all model vehicles.
2003CadillacDeVilleN/ACompatible with all model vehicles.
2003CadillacEscaladeN/ACompatible with all model vehicles.
2003CadillacEscalade ESVN/ACompatible with all model vehicles.
2003CadillacEscalade EXTN/ACompatible with all model vehicles.
2003CadillacSevilleN/ACompatible with all model vehicles.
2003ChevroletAvalanche 1500GASN/ACompatible with all model vehicles.
2003ChevroletAvalanche 2500N/ACompatible with all model vehicles.
2003ChevroletCorvetteBaseN/ACompatible with all model vehicles.
2003ChevroletCorvette50th Anniversary EditionN/ACompatible with all model vehicles.
2003ChevroletCorvette50th Anniversary Edition Pace CarN/ACompatible with all model vehicles.
2003ChevroletSilverado 1500N/ACompatible with all model vehicles.
2003ChevroletSilverado 1500 HDN/ACompatible with all model vehicles.
2003ChevroletSilverado 2500N/ACompatible with all model vehicles.
2003ChevroletSilverado 2500 HDN/ACompatible with all model vehicles.
2003ChevroletSilverado 3500N/ACompatible with all model vehicles.
2003ChevroletSSRN/ACompatible with all model vehicles.
2003ChevroletSuburban 1500N/ACompatible with all model vehicles.
2003ChevroletSuburban 2500N/ACompatible with all model vehicles.
2003ChevroletTahoeN/ACompatible with all model vehicles.
2003ChevroletTrailblazer EXTN/ACompatible with all model vehicles.
2003GMCEnvoy XLN/ACompatible with all model vehicles.
2003GMCSierra 1500N/ACompatible with all model vehicles.
2003GMCSierra 1500 HDN/ACompatible with all model vehicles.
2003GMCSierra 2500N/ACompatible with all model vehicles.
2003GMCSierra 2500 HDN/ACompatible with all model vehicles.
2003GMCSierra 3500N/ACompatible with all model vehicles.
2003GMCYukonN/ACompatible with all model vehicles.
2003GMCYukon XL 1500N/ACompatible with all model vehicles.
2003GMCYukon XL 2500N/ACompatible with all model vehicles.
2003HummerH2N/ACompatible with all model vehicles.
2003IsuzuAscenderN/ACompatible with all model vehicles.
2003IsuzuAscenderLimitedN/ACompatible with all model vehicles.
2003IsuzuAscenderLSN/ACompatible with all model vehicles.
2003OldsmobileAuroraN/ACompatible with all model vehicles.
2002CadillacDeVilleN/ACompatible with all model vehicles.
2002CadillacEldoradoN/ACompatible with all model vehicles.
2002CadillacEscaladeN/ACompatible with all model vehicles.
2002CadillacEscalade EXTN/ACompatible with all model vehicles.
2002CadillacSevilleN/ACompatible with all model vehicles.
2002ChevroletAvalanche 1500GASN/ACompatible with all model vehicles.
2002ChevroletAvalanche 2500N/ACompatible with all model vehicles.
2002ChevroletCorvetteBaseN/ACompatible with all model vehicles.
2002ChevroletSilverado 1500N/ACompatible with all model vehicles.
2002ChevroletSilverado 1500 HDN/ACompatible with all model vehicles.
2002ChevroletSilverado 2500N/ACompatible with all model vehicles.
2002ChevroletSilverado 2500 HDN/ACompatible with all model vehicles.
2002ChevroletSilverado 3500N/ACompatible with all model vehicles.
2002ChevroletSuburban 1500N/ACompatible with all model vehicles.
2002ChevroletSuburban 2500N/ACompatible with all model vehicles.
2002ChevroletTahoeN/ACompatible with all model vehicles.
2002GMCSierra 1500N/ACompatible with all model vehicles.
2002GMCSierra 1500 HDN/ACompatible with all model vehicles.
2002GMCSierra 2500N/ACompatible with all model vehicles.
2002GMCSierra 2500 HDN/ACompatible with all model vehicles.
2002GMCSierra 3500N/ACompatible with all model vehicles.
2002GMCYukonN/ACompatible with all model vehicles.
2002GMCYukon XL 1500N/ACompatible with all model vehicles.
2002GMCYukon XL 2500N/ACompatible with all model vehicles.
2002OldsmobileAuroraN/ACompatible with all model vehicles.
2001CadillacDeVilleN/ACompatible with all model vehicles.
2001CadillacEldoradoN/ACompatible with all model vehicles.
2001CadillacSevilleN/ACompatible with all model vehicles.
2001ChevroletCorvetteN/ACompatible with all model vehicles.
2001ChevroletSilverado 1500N/ACompatible with all model vehicles.
2001ChevroletSilverado 1500 HDN/ACompatible with all model vehicles.
2001ChevroletSilverado 2500N/ACompatible with all model vehicles.
2001ChevroletSilverado 2500 HDN/ACompatible with all model vehicles.
2001ChevroletSilverado 3500N/ACompatible with all model vehicles.
2001ChevroletSuburban 1500N/ACompatible with all model vehicles.
2001ChevroletSuburban 2500N/ACompatible with all model vehicles.
2001ChevroletTahoeN/ACompatible with all model vehicles.
2001GMCSierra 1500N/ACompatible with all model vehicles.
2001GMCSierra 1500 HDN/ACompatible with all model vehicles.
2001GMCSierra 2500N/ACompatible with all model vehicles.
2001GMCSierra 2500 HDN/ACompatible with all model vehicles.
2001GMCSierra 3500N/ACompatible with all model vehicles.
2001GMCYukonN/ACompatible with all model vehicles.
2001GMCYukon XL 1500N/ACompatible with all model vehicles.
2001GMCYukon XL 2500N/ACompatible with all model vehicles.
2001OldsmobileAuroraN/ACompatible with all model vehicles.
2000CadillacDeVilleN/ACompatible with all model vehicles.
2000CadillacEldoradoN/ACompatible with all model vehicles.
2000CadillacSevilleN/ACompatible with all model vehicles.
2000ChevroletSilverado 1500N/ACompatible with all model vehicles.
2000ChevroletSilverado 2500N/ACompatible with all model vehicles.
2000ChevroletSuburban 1500N/ACompatible with all model vehicles.
2000ChevroletSuburban 2500N/ACompatible with all model vehicles.
2000ChevroletTahoeN/ACompatible with all model vehicles.
2000GMCSierra 1500N/ACompatible with all model vehicles.
2000GMCSierra 2500N/ACompatible with all model vehicles.
2000GMCYukonN/ACompatible with all model vehicles.
2000GMCYukon XL 1500N/ACompatible with all model vehicles.
2000GMCYukon XL 2500N/ACompatible with all model vehicles.
1999ChevroletSilverado 1500N/ACompatible with all model vehicles.
1999ChevroletSilverado 2500N/ACompatible with all model vehicles.
1999GMCSierra 1500N/ACompatible with all model vehicles.
1999GMCSierra 2500N/ACompatible with all model vehicles.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

15 90 4068158-146519330121213-4160213346021336425 31 84112516849128411M5S26365S805064-185974-84118-15904-068-08-19330-121-08-25318-411-086-8411917-826DL-6012MA1062MA145MAF68411MAF8411TMAS0203MAS0277MF8411MF8411NMQ7202SU1287XTP48411

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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