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Standard Ignition AS428 Manifold Absolute Pressure SensorOE Quality 60-Day Returns
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Part #: AS428

Standard Ignition AS428 Manifold Absolute Pressure Sensor

⚙️ 99 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, Cadillac, GMC, and Saab, Envision, Regal Sportback, Regal TourX, Equinox, Malibu, ATS, CTS, Camaro, Regal, Express 2500, Express 3500, Silverado 2500 HD, Silverado 3500 HD, Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 3500 HD, Verano, and 9-5
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Overview of Standard Ignition AS428 Manifold Absolute Pressure Sensor

The Standard Ignition AS428 Manifold Absolute Pressure (MAP) Sensor is designed to provide accurate pressure readings for optimal engine performance. This sensor is compatible with various Buick, Cadillac, Chevrolet, GMC, and Saab models, ensuring reliable fitment and function.

  • Connector Gender: Male
  • Connector Quantity: 1
  • Connector Type: Plug in
  • Port Quantity: 1
  • Terminal Gender: Male
  • Terminal Quantity: 3
  • Terminal Type: Blade

Detailed Product Description

The AS428 MAP sensor from Standard Ignition features a single male plug-in connector with three male blade terminals, designed for straightforward installation and secure electrical connection. Its single port design allows precise measurement of manifold absolute pressure, which is critical for engine control units to adjust fuel delivery and ignition timing. This sensor is engineered to meet OEM specifications, making it suitable for use in vehicles such as the Buick Regal, Cadillac ATS, Chevrolet Camaro, GMC Sierra 2500 HD, and Saab 9-5.

Applications and Common Issues Addressed

  • Helps resolve engine stalling or rough idling caused by inaccurate manifold pressure readings
  • Improves fuel efficiency by providing accurate data to the engine control module
  • Reduces emissions by ensuring proper air-fuel mixture adjustments
  • Prevents check engine light triggers related to MAP sensor faults
  • Supports consistent engine performance under varying load conditions

Installation Notes and Tips

  • Ensure the vehicle ignition is off before installation
  • Disconnect the battery to avoid electrical shorts during replacement
  • Locate the existing MAP sensor on the intake manifold for removal
  • Verify connector type and terminal alignment before securing the new sensor
  • After installation, clear any diagnostic trouble codes and test drive to confirm proper operation

Quality Assurance and Warranty

Standard Ignition manufactures the AS428 MAP sensor to meet strict quality standards, ensuring durability and reliable performance. This part is backed by a limited warranty that covers defects in materials and workmanship, providing confidence in its long-term use across compatible Buick, Cadillac, Chevrolet, GMC, and Saab vehicles.

BrandStandard Ignition
Part NumberAS428
Connector GenderMale
Connector TypePlug In
Terminal GenderMale
Terminal TypeBlade

This part fits 99 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2023ChevroletCamaro2.0LL4N/A
2022ChevroletCamaro2.0LL4N/A
2021ChevroletCamaro2.0LL4N/A
2020BuickEnvision2.0LL4N/A
2020BuickRegal Sportback2.0LL4N/A
2020BuickRegal TourX2.0LL4N/A
2020ChevroletCamaro2.0LL4N/AOn Intake Manifold
2020ChevroletEquinox2.0LL4N/A
2020ChevroletMalibu2.0LL4N/A
2019BuickEnvision2.0LL4N/A
2019BuickRegal Sportback2.0LL4N/A
2019BuickRegal TourX2.0LL4N/A
2019CadillacATS2.0LL4N/A
2019CadillacCTS2.0LL4N/A
2019ChevroletCamaro2.0LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
2019ChevroletMalibu2.0LL4N/A
2018BuickEnvision2.0LL4N/A
2018BuickRegal Sportback2.0LL4N/A
2018BuickRegal TourX2.0LL4N/A
2018CadillacCTS2.0LL4N/A
2018ChevroletCamaro2.0LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
2018ChevroletMalibu2.0LL4N/A
2017BuickEnvision2.0LL4N/A
2017BuickRegal2.0LL4N/A
2017CadillacATS2.0LL4N/A
2017CadillacCTS2.0LL4N/A
2017ChevroletCamaro2.0LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
2017ChevroletMalibu2.0LL4N/A
2016BuickEnvision2.0LL4N/A
2016BuickRegal2.0LL4N/A
2016CadillacATS2.0LL4N/A
2016CadillacCTS2.0LL4N/A
2016ChevroletCamaro2.0LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
2016ChevroletExpress 2500DIESELN/A
2016ChevroletExpress 35006.6LV8N/A
2016ChevroletMalibuN/A
2016ChevroletSilverado 2500 HD6.6LV8N/A
2016ChevroletSilverado 3500 HD6.6LV8N/A
2016GMCSavana 25006.6LV8N/A
2016GMCSavana 35006.6LV8N/A
2016GMCSierra 2500 HD6.6LV8N/A
2016GMCSierra 3500 HD6.6LV8N/A
2015BuickRegal2.0LL4N/A
2015CadillacATS2.0LL4N/A
2015CadillacCTS2.0LL4N/A
2015ChevroletExpress 2500DIESELN/A
2015ChevroletExpress 35006.6LV8N/A
2015ChevroletMalibuN/A
2015ChevroletSilverado 2500 HD6.6LV8N/A
2015ChevroletSilverado 3500 HD6.6LV8N/A
2015GMCSavana 25006.6LV8N/A
2015GMCSavana 35006.6LV8N/A
2015GMCSierra 2500 HD6.6LV8N/A
2015GMCSierra 3500 HD6.6LV8N/A
2014BuickRegal2.0LL4N/A
2014BuickVerano2.0LL4N/A
2014CadillacATS2.0LL4N/A
2014ChevroletExpress 2500DIESELN/A
2014ChevroletExpress 35006.6LV8N/A
2014ChevroletMalibuN/A
2014ChevroletSilverado 2500 HD6.6LV8N/A
2014ChevroletSilverado 3500 HD6.6LV8N/A
2014GMCSavana 25006.6LV8N/A
2014GMCSavana 35006.6LV8N/A
2014GMCSierra 2500 HD6.6LV8N/A
2014GMCSierra 3500 HD6.6LV8N/A
2013BuickRegal2.0LL4N/A
2013BuickVerano2.0LL4N/A
2013CadillacATS2.0LL4N/A
2013ChevroletExpress 2500DIESELN/A
2013ChevroletExpress 35006.6LV8N/A
2013ChevroletMalibuN/A
2013ChevroletSilverado 2500 HD6.6LV8N/A
2013ChevroletSilverado 3500 HD6.6LV8N/A
2013GMCSavana 25006.6LV8N/A
2013GMCSavana 35006.6LV8N/A
2013GMCSierra 2500 HD6.6LV8N/A
2013GMCSierra 3500 HD6.6LV8N/A
2012BuickRegal2.0LL4N/A
2012ChevroletExpress 2500DIESELN/A
2012ChevroletExpress 35006.6LV8N/A
2012ChevroletSilverado 2500 HD6.6LV8N/A
2012ChevroletSilverado 3500 HD6.6LV8N/A
2012GMCSavana 25006.6LV8N/A
2012GMCSavana 35006.6LV8N/A
2012GMCSierra 2500 HD6.6LV8N/A
2012GMCSierra 3500 HD6.6LV8N/A
2011ChevroletExpress 2500DIESELN/A
2011ChevroletExpress 35006.6LV8N/A
2011ChevroletSilverado 2500 HD6.6LV8N/A
2011ChevroletSilverado 3500 HD6.6LV8N/A
2011GMCSavana 25006.6LV8N/A
2011GMCSavana 35006.6LV8N/A
2011GMCSierra 2500 HD6.6LV8N/A
2011GMCSierra 3500 HD6.6LV8N/A
2011Saab9-52.0LL4N/A
2010ChevroletExpress 35006.6LV8N/A
2010GMCSavana 25006.6LV8N/A
2010GMCSavana 35006.6LV8N/A

* 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:

126439552-271472MAP00755S1221774322EC1910ECA1298MAPA125MP150

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

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