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Delphi AS10261 Ignition Knock (Detonation) SensorOE Quality 60-Day Returns
Part #: AS10261

Delphi AS10261 Ignition Knock (Detonation) Sensor

376 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, Cadillac, Buick, Hummer, Pontiac, and Saturn, Express 2500, Express 3500, Savana 2500, Savana 3500, Silverado 2500 HD, Silverado 3500 HD, Suburban 3500 HD, Sierra 2500 HD, Sierra 3500 HD, LCF 3500, Caprice, SS, CTS, Camaro, Escalade, Escalade ESV, Express 1500, Suburban 1500, Tahoe, Savana 1500, Yukon, Yukon XL 1500, Escalade EXT, Avalanche, Corvette, Silverado 1500, Suburban 2500, Sierra 1500, Yukon XL 2500, Colorado, Canyon, Lucerne, DTS, Impala, STS, Malibu, H3, H3T, G6, Vue, LaCrosse, SRX, XLR, Equinox, Trailblazer, Envoy, H2, G8, Torrent, Uplander, Grand Prix, Aura, Rainier, Rendezvous, Terraza, Monte Carlo, Relay, SSR, Trailblazer EXT, Envoy XL, GTO, Montana, and Envoy XUV
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Not what you need? See all Ignition Knock (Detonation) Sensor options

Delphi Ignition Knock Sensor Overview

The Delphi AS10261 ignition knock (detonation) sensor is designed to detect engine knocking and help optimize ignition timing for improved engine performance. This sensor is compatible with a wide range of GM vehicles including Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, and Saturn models.

  • Pin terminal type with 2 male terminals
  • Single oval-shaped female connector
  • Bolt-on mounting type for secure installation
  • Mounting hardware not included
  • Includes ignition knock sensor and instruction sheet

Technical Details and Compatibility

The Delphi AS10261 ignition knock sensor features a pin terminal type with two male terminals and a single oval-shaped female connector, ensuring reliable electrical connections. Its bolt-on mounting design allows for straightforward installation on compatible engines. This sensor is engineered to fit numerous GM vehicles such as the Chevrolet Silverado 1500, Cadillac Escalade, Buick LaCrosse, GMC Sierra 2500 HD, and Pontiac G6, among others. The sensor’s design supports accurate detection of engine detonation, which is critical for maintaining engine efficiency and preventing damage.

Applications and Problem Resolution

This ignition knock sensor is used to monitor engine knocking or detonation, enabling the engine control unit (ECU) to adjust ignition timing accordingly. It helps address issues such as:

  • Engine knocking or pinging noises
  • Reduced fuel efficiency due to improper ignition timing
  • Engine performance irregularities or hesitation
  • Potential engine damage from uncontrolled detonation
  • Check engine light triggered by knock sensor faults

Installation Notes and Tips

Installation of the Delphi AS10261 sensor requires a bolt-on mounting approach. Ensure the mounting surface is clean and free of debris before installation. Since mounting hardware is not included, use appropriate bolts matching the original equipment specifications. Connect the sensor’s oval-shaped female connector securely to the vehicle’s wiring harness. Refer to the included instruction sheet for detailed installation guidance and torque specifications.

Quality Assurance and Warranty

Delphi ignition knock sensors are manufactured to meet OEM standards for durability and performance. The AS10261 sensor undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or your parts provider for exact warranty terms.

BrandDelphi
Part NumberAS10261
Connector GenderFemale
Connector Quantity1
Connector ShapeOval
Mounting Hardware IncludedNo
Mounting TypeBolt-On
Package ContentsIgnition Knock (Detonation) Sensor, Instruction Sheet
Terminal GenderMale
Terminal Quantity2
Terminal TypePin

This part fits 376 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2020ChevroletExpress 2500N/A
2020ChevroletExpress 3500N/A
2020GMCSavana 2500N/A
2020GMCSavana 3500N/A
2019ChevroletExpress 2500N/A
2019ChevroletExpress 3500N/A
2019ChevroletSilverado 2500 HDN/A
2019ChevroletSilverado 3500 HDN/A
2019ChevroletSuburban 3500 HDN/A
2019GMCSavana 2500N/A
2019GMCSavana 3500N/A
2019GMCSierra 2500 HDN/A
2019GMCSierra 3500 HDN/A
2018ChevroletExpress 2500N/A
2018ChevroletExpress 3500N/A
2018ChevroletSilverado 2500 HDN/A
2018ChevroletSilverado 3500 HDN/A
2018ChevroletSuburban 3500 HDN/A
2018GMCSavana 2500N/A
2018GMCSavana 3500N/A
2018GMCSierra 2500 HDN/A
2018GMCSierra 3500 HDN/A
2017ChevroletCapriceN/A
2017ChevroletExpress 2500N/A
2017ChevroletExpress 3500N/A
2017ChevroletSilverado 2500 HDN/A
2017ChevroletSilverado 3500 HDN/A
2017ChevroletSSN/A
2017ChevroletSuburban 3500 HDN/A
2017GMCSavana 2500N/A
2017GMCSavana 3500N/A
2017GMCSierra 2500 HDN/A
2017GMCSierra 3500 HDN/A
2016ChevroletCapriceN/A
2016ChevroletExpress 2500N/A
2016ChevroletExpress 3500N/A
2016ChevroletSilverado 2500 HDN/A
2016ChevroletSilverado 3500 HDN/A
2016ChevroletSSN/A
2016ChevroletSuburban 3500 HDN/A
2016GMCSavana 2500N/A
2016GMCSavana 3500N/A
2016GMCSierra 2500 HDN/A
2016GMCSierra 3500 HDN/A
2015CadillacCTSN/A
2015ChevroletCamaroN/A
2015ChevroletCapriceN/A
2015ChevroletExpress 2500N/A
2015ChevroletExpress 3500N/A
2015ChevroletSilverado 2500 HDN/A
2015ChevroletSilverado 3500 HDN/A
2015ChevroletSSN/A
2015GMCSavana 2500N/A
2015GMCSavana 3500N/A
2015GMCSierra 2500 HDN/A
2015GMCSierra 3500 HDN/A
2014CadillacCTSN/A
2014CadillacEscaladeN/A
2014CadillacEscalade ESVN/A
2014ChevroletCamaroN/A
2014ChevroletCapriceN/A
2014ChevroletExpress 1500N/A
2014ChevroletExpress 2500N/A
2014ChevroletExpress 3500N/A
2014ChevroletSilverado 2500 HDN/A
2014ChevroletSilverado 3500 HDN/A
2014ChevroletSSN/A
2014ChevroletSuburban 1500N/A
2014ChevroletTahoeN/A
2014GMCSavana 1500N/A
2014GMCSavana 2500N/A
2014GMCSavana 3500N/A
2014GMCSierra 2500 HDN/A
2014GMCSierra 3500 HDN/A
2014GMCYukonN/A
2014GMCYukon XL 1500N/A
2013CadillacCTSN/A
2013CadillacEscaladeN/A
2013CadillacEscalade ESVN/A
2013CadillacEscalade EXTN/A
2013ChevroletAvalancheN/A
2013ChevroletCamaroN/A
2013ChevroletCapriceN/A
2013ChevroletCorvetteN/A
2013ChevroletExpress 1500N/A
2013ChevroletExpress 2500N/A
2013ChevroletExpress 3500N/A
2013ChevroletSilverado 1500N/A
2013ChevroletSilverado 2500 HDN/A
2013ChevroletSilverado 3500 HDN/A
2013ChevroletSuburban 1500N/A
2013ChevroletSuburban 2500N/A
2013ChevroletTahoeN/A
2013ChevroletTahoeLTZN/A
2013ChevroletTahoeLTN/A
2013ChevroletTahoeLSN/A
2013GMCSavana 1500N/A
2013GMCSavana 2500N/A
2013GMCSavana 3500N/A
2013GMCSierra 1500N/A
2013GMCSierra 2500 HDN/A
2013GMCSierra 3500 HDN/A
2013GMCYukonN/A
2013GMCYukon XL 1500N/A
2013GMCYukon XL 2500N/A
2012CadillacCTSN/A
2012CadillacEscaladeN/A
2012CadillacEscalade ESVN/A
2012CadillacEscalade EXTN/A
2012ChevroletAvalancheN/A
2012ChevroletCamaroN/A
2012ChevroletCapriceN/A
2012ChevroletColoradoN/A
2012ChevroletCorvetteN/A
2012ChevroletExpress 1500N/A
2012ChevroletExpress 2500N/A
2012ChevroletExpress 3500N/A
2012ChevroletSilverado 1500N/A
2012ChevroletSilverado 2500 HDN/A
2012ChevroletSilverado 3500 HDN/A
2012ChevroletSuburban 1500N/A
2012ChevroletSuburban 2500N/A
2012ChevroletTahoeN/A
2012ChevroletTahoePPVN/A
2012ChevroletTahoeLTZN/A
2012ChevroletTahoeLTN/A
2012GMCCanyonN/A
2012GMCSavana 1500N/A
2012GMCSavana 2500N/A
2012GMCSavana 3500N/A
2012GMCSierra 1500N/A
2012GMCSierra 2500 HDN/A
2012GMCSierra 3500 HDN/A
2012GMCYukonN/A
2012GMCYukon XL 1500N/A
2012GMCYukon XL 2500N/A
2011BuickLucerneN/A
2011CadillacCTSN/A
2011CadillacDTSN/A
2011CadillacEscaladeN/A
2011CadillacEscalade ESVN/A
2011CadillacEscalade EXTN/A
2011ChevroletAvalancheN/A
2011ChevroletCamaroN/A
2011ChevroletCapriceN/A
2011ChevroletColoradoN/A
2011ChevroletCorvetteN/A
2011ChevroletExpress 1500N/A
2011ChevroletExpress 2500N/A
2011ChevroletExpress 3500N/A
2011ChevroletImpalaN/A
2011ChevroletSilverado 1500N/A
2011ChevroletSilverado 2500 HDN/A
2011ChevroletSilverado 3500 HDN/A
2011ChevroletSuburban 1500N/A
2011ChevroletSuburban 2500N/A
2011ChevroletTahoeN/A
2011GMCCanyonN/A
2011GMCSavana 1500N/A
2011GMCSavana 2500N/A
2011GMCSavana 3500N/A
2011GMCSierra 1500N/A
2011GMCSierra 2500 HDN/A
2011GMCSierra 3500 HDN/A
2011GMCYukonN/A
2011GMCYukon XL 1500N/A
2011GMCYukon XL 2500N/A
2010BuickLucerneN/A
2010CadillacCTSN/A
2010CadillacDTSN/A
2010CadillacEscaladeN/A
2010CadillacEscalade ESVN/A
2010CadillacEscalade EXTN/A
2010CadillacSTSN/A
2010ChevroletAvalancheN/A
2010ChevroletCamaroN/A
2010ChevroletColoradoN/A
2010ChevroletCorvetteN/A
2010ChevroletExpress 1500N/A
2010ChevroletExpress 2500N/A
2010ChevroletExpress 3500N/A
2010ChevroletImpalaN/A
2010ChevroletMalibuN/A
2010ChevroletSilverado 1500N/A
2010ChevroletSilverado 2500 HDN/A
2010ChevroletSilverado 3500 HDN/A
2010ChevroletSuburban 1500N/A
2010ChevroletSuburban 2500N/A
2010ChevroletTahoeN/A
2010GMCCanyonN/A
2010GMCSavana 1500N/A
2010GMCSavana 2500N/A
2010GMCSavana 3500N/A
2010GMCSierra 1500N/A
2010GMCSierra 2500 HDN/A
2010GMCSierra 3500 HDN/A
2010GMCYukonN/A
2010GMCYukon XL 1500N/A
2010GMCYukon XL 2500N/A
2010HummerH3N/A
2010HummerH3TN/A
2010PontiacG6N/A
2010SaturnVueN/A
2009BuickLaCrosseN/A
2009BuickLucerneN/A
2009CadillacCTSN/A
2009CadillacDTSN/A
2009CadillacEscaladeN/A
2009CadillacEscalade ESVN/A
2009CadillacEscalade EXTN/A
2009CadillacSRXN/A
2009CadillacSTSN/A
2009CadillacXLRN/A
2009ChevroletAvalancheN/A
2009ChevroletColoradoN/A
2009ChevroletCorvetteN/A
2009ChevroletEquinoxN/A
2009ChevroletExpress 1500N/A
2009ChevroletExpress 2500N/A
2009ChevroletExpress 3500N/A
2009ChevroletImpalaN/A
2009ChevroletMalibuN/A
2009ChevroletSilverado 1500N/A
2009ChevroletSilverado 2500 HDN/A
2009ChevroletSilverado 3500 HDN/A
2009ChevroletSuburban 1500N/A
2009ChevroletSuburban 2500N/A
2009ChevroletTahoeN/A
2009ChevroletTrailblazerN/A
2009GMCCanyonN/A
2009GMCEnvoyN/A
2009GMCSavana 1500N/A
2009GMCSavana 2500N/A
2009GMCSavana 3500N/A
2009GMCSierra 1500N/A
2009GMCSierra 2500 HDN/A
2009GMCSierra 3500 HDN/A
2009GMCYukonN/A
2009GMCYukon XL 1500N/A
2009GMCYukon XL 2500N/A
2009HummerH2N/A
2009HummerH3N/A
2009HummerH3TN/A
2009PontiacG6N/A
2009PontiacG8N/A
2009PontiacTorrentN/A
2009SaturnVueN/A
2008BuickLaCrosseN/A
2008BuickLucerneN/A
2008CadillacDTSN/A
2008CadillacEscaladeN/A
2008CadillacEscalade ESVN/A
2008CadillacEscalade EXTN/A
2008CadillacSRXN/A
2008CadillacSTSN/A
2008CadillacXLRN/A
2008ChevroletAvalancheN/A
2008ChevroletColoradoN/A
2008ChevroletCorvetteN/A
2008ChevroletEquinoxN/A
2008ChevroletExpress 1500N/A
2008ChevroletExpress 2500N/A
2008ChevroletExpress 3500N/A
2008ChevroletImpalaN/A
2008ChevroletMalibuClassic LTN/A
2008ChevroletMalibuClassic LSN/A
2008ChevroletSilverado 1500N/A
2008ChevroletSilverado 2500 HDN/A
2008ChevroletSilverado 3500 HDN/A
2008ChevroletSuburban 1500N/A
2008ChevroletSuburban 2500N/A
2008ChevroletTahoeN/A
2008ChevroletTrailblazerN/A
2008ChevroletUplanderN/A
2008GMCCanyonN/A
2008GMCEnvoyN/A
2008GMCSavana 1500N/A
2008GMCSavana 2500N/A
2008GMCSavana 3500N/A
2008GMCSierra 1500N/A
2008GMCSierra 2500 HDN/A
2008GMCSierra 3500 HDN/A
2008GMCYukonN/A
2008GMCYukon XL 1500N/A
2008GMCYukon XL 2500N/A
2008HummerH2N/A
2008HummerH3N/A
2008PontiacG6N/A
2008PontiacG8N/A
2008PontiacGrand PrixN/A
2008PontiacTorrentN/A
2008SaturnAuraN/A
2008SaturnVueN/A
2007BuickLucerneN/A
2007BuickRainierN/A
2007BuickRendezvousN/A
2007BuickTerrazaN/A
2007CadillacCTSN/A
2007CadillacDTSN/A
2007CadillacEscaladeN/A
2007CadillacEscalade ESVN/A
2007CadillacEscalade EXTN/A
2007CadillacSRXN/A
2007CadillacSTSN/A
2007CadillacXLRN/A
2007ChevroletAvalancheN/A
2007ChevroletColoradoN/A
2007ChevroletCorvetteN/A
2007ChevroletEquinoxN/A
2007ChevroletImpalaN/A
2007ChevroletImpalaLTZN/A
2007ChevroletImpalaLTN/A
2007ChevroletMalibuN/A
2007ChevroletMonte CarloN/A
2007ChevroletSilverado 1500N/A
2007ChevroletSilverado 2500 HDN/A
2007ChevroletSilverado 3500 HDN/A
2007ChevroletSuburban 1500N/A
2007ChevroletSuburban 2500N/A
2007ChevroletTahoeN/A
2007ChevroletTrailblazerN/A
2007ChevroletUplanderN/A
2007GMCCanyonN/A
2007GMCEnvoyN/A
2007GMCSierra 1500N/A
2007GMCSierra 2500 HDN/A
2007GMCSierra 3500 HDN/A
2007GMCYukonN/A
2007GMCYukon XL 1500N/A
2007GMCYukon XL 2500N/A
2007HummerH3N/A
2007PontiacG6N/A
2007PontiacGrand PrixN/A
2007PontiacTorrentN/A
2007SaturnAuraN/A
2007SaturnRelayN/A
2006BuickRainierN/A
2006BuickRendezvousN/A
2006BuickTerrazaN/A
2006CadillacCTSN/A
2006CadillacSTSN/A
2006CadillacXLRN/A
2006ChevroletCorvetteN/A
2006ChevroletEquinoxN/A
2006ChevroletImpalaN/A
2006ChevroletMalibuN/A
2006ChevroletMonte CarloN/A
2006ChevroletSSRN/A
2006ChevroletTrailblazerN/A
2006ChevroletTrailblazer EXTN/A
2006ChevroletUplanderN/A
2006GMCEnvoyN/A
2006GMCEnvoy XLN/A
2006PontiacG6N/A
2006PontiacGrand PrixN/A
2006PontiacGTON/A
2006PontiacMontanaN/A
2006PontiacTorrentN/A
2006SaturnRelayN/A
2005BuickRainierN/A
2005BuickTerrazaN/A
2005ChevroletCorvetteN/A
2005ChevroletEquinoxN/A
2005ChevroletMalibuN/A
2005ChevroletSSRN/A
2005ChevroletTrailblazer EXTN/A
2005ChevroletUplanderN/A
2005GMCEnvoyN/A
2005GMCEnvoy XLN/A
2005GMCEnvoy XUVN/A
2005PontiacG6N/A
2005PontiacGrand PrixN/A
2005PontiacGTON/A
2005PontiacMontanaN/A
2005SaturnRelayN/A
2004ChevroletMalibuN/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:

12 62 3730213-1576DKS651KS211SU8212

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

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