GM Genuine Ignition Knock (Detonation) Sensor – OEM Replacement
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Condition
New in Original Packaging – Genuine GM part in original sealed packaging. Package was opened only for inspection and photographs. Never installed. You will receive the exact item shown in the pictures.
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Vehicle Compatibility
Buick
Allure
* 2005–2009 – 3.6L V6
LaCrosse
* 2005–2009 – 3.6L V6
Lucerne
* 2006–2011 – 3.8L V6
* 2006–2008 – 4.6L Northstar V8
Rainier
* 2004–2007 – 4.2L I6
* 2004–2007 – 5.3L V8
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Cadillac
CTS
* 2003–2007 – 3.2L V6
* 2004–2007 – 3.6L V6
* 2004–2007 – 5.7L V8 (CTS-V)
DeVille
* 2000–2005 – 4.6L Northstar V8
DTS
* 2006–2011 – 4.6L Northstar V8
Escalade
* 2003–2006 – 5.3L V8
* 2002–2014 – 6.0L V8
* 2007–2014 – 6.2L V8
SRX
* 2004–2009 – 3.6L V6
* 2004–2009 – 4.6L V8
STS
* 2005–2011 – 3.6L V6
* 2005–2011 – 4.6L Northstar V8
XLR
* 2004–2009 – 4.6L Northstar V8
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Chevrolet
Avalanche
* 2002–2013 – 5.3L V8
* 2002–2006 – 8.1L V8
Colorado
* 2004–2012 – 2.8L L4
* 2004–2012 – 3.5L I5
* 2007–2012 – 3.7L I5
Express
* 2003–2014 – 4.8L V8
* 2003–2014 – 5.3L V8
* 2003–2014 – 6.0L V8
Impala
* 2006–2011 – 3.9L V6
Silverado 1500
* 1999–2013 – 4.8L, 5.3L, 6.0L, 6.2L V8
Silverado 2500 / 3500
* 1999–2014 – 6.0L & 8.1L V8
Suburban
* 2000–2014 – 5.3L, 6.0L, 8.1L V8
Tahoe
* 2000–2014 – 4.8L, 5.3L, 6.0L, 6.2L V8
TrailBlazer
* 2002–2009 – 4.2L I6
* 2003–2006 – 5.3L V8
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GMC
Canyon
* 2004–2012 – 2.8L L4
* 2004–2012 – 3.5L I5
* 2007–2012 – 3.7L I5
Envoy
* 2002–2009 – 4.2L I6
* 2003–2008 – 5.3L V8
Savana
* 2003–2014 – 4.8L, 5.3L, 6.0L V8
Sierra 1500
* 1999–2013 – 4.8L, 5.3L, 6.0L, 6.2L V8
Sierra 2500 / 3500
* 1999–2014 – 6.0L & 8.1L V8
Yukon
* 2000–2014 – 4.8L, 5.3L, 6.0L, 6.2L V8
Yukon XL
* 2000–2014 – 5.3L, 6.0L, 8.1L V8
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Hummer
H2
* 2003–2009 – 6.0L & 6.2L V8
H3
* 2006–2010 – 3.5L I5
* 2007–2010 – 3.7L I5
* 2008–2010 – 5.3L V8
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Saab
9-7X
* 2005–2009 – 4.2L I6
* 2005–2009 – 5.3L V8
* 2008–2009 – 6.0L V8
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OEM Part Numbers
* GM 12589867
* GM 12623730
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Interchange / Aftermarket Part Numbers
* GM Genuine Parts 213-3521
* ACDelco 213-3521
* Delphi AS10175
* Standard Motor Products KS385
* Walker Products 245-1119
* NTK ID0263
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Specifications
* Brand: GM Genuine Parts
* Part Number: 213-3521
* OEM Number: 12589867
* Product Type: Ignition Knock (Detonation) Sensor
* Direct OEM Replacement
* Threaded Sensor Design
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Item Details
This genuine GM knock sensor monitors engine vibration and detonation (spark knock), allowing the engine control module to optimize ignition timing for maximum performance, fuel economy, and engine protection.
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Features
* Genuine GM OEM quality
* Direct-fit replacement
* Restores proper ignition timing control
* Helps prevent engine detonation
* Improves engine performance
* Meets or exceeds original equipment specifications
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Common Symptoms of a Faulty Knock Sensor
* Check Engine Light
* Poor acceleration
* Reduced fuel economy
* Engine pinging or knocking
* Retarded ignition timing
* Reduced engine performance
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Buy With Confidence
✅ Fast 2-Day Shipping
✅ Parts inspected and securely packed prior to shipping
✅ You will receive the exact part shown in the pictures
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Please Note
30-Day Returns Accepted, Buyer Pays Return Shipping
Please compare your original part number, mounting configuration, and vehicle application before purchasing. Vehicle fitment can vary by VIN, production date, drivetrain, and factory-installed options.
If you have any questions, feel free to message us!
