ACDelco 213-2829 | Ignition Knock (Detonation) Sensor

Part Number
Ignition Knock (Detonation) Sensor

Fits: 98-99 Chevrolet P30, 01-02 Chevrolet C3500HD, 01-02 Chevrolet Express 3500, 01-06 Chevrolet Silverado 2500 HD, 01-06 Chevrolet Silverado 3500, 01-06 Chevrolet Suburban 2500, 01-02 GMC C3500HD, 01-02 GMC Savana 3500, 01-06 GMC Sierra 2500 HD, 01-06 GMC Sierra 3500, 01-06 GMC Yukon XL 2500, 02-06 Chevrolet Avalanche 2500, 07 Chevrolet Silverado 2500 HD Classic, 07 Chevrolet Silverado 3500 Classic, 07 GMC Sierra 2500 HD Classic, 07 GMC Sierra 3500 Classic

Special Price $51.84 Regular Price $60.99
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ACDelco GM Original Equipment Ignition Knock (Detonation) Sensors monitor the engine for pinging or spark knock, and are GM-recommended replacements for your vehicle's original components. These sensors create a voltage signal based on the vibrations caused by erratic air/fuel mixture combustion; the engine control module uses these signals to adjust the ignition timing and air/fuel mixture. These original equipment ignition knock sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ? WARNING: Cancer and Reproductive Harm -



  • Chevrolet;Chevrolet;GMC;GMC
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Helps prevent damage to the engine caused by pre-ignition
  • Manufactured to GM OE specification for fit, form, and function
  • Offering the quality, reliability, and durability of GM OE
  • Sends signals to the engine control module (ECM) to adjust timing


Connector GenderFemale
Connector Quantity1
Connector ShapeRound
FAQ - Answer 1Yes. With a faulty sensor, there is a chance that higher emissions are being produced from the engine because the engine is running hot.
FAQ - Answer 2Yes. Knock is caused by pre-ignition or detonation. If left uncorrected, it can cause possible damage to the motor.
FAQ - Question 1Can a bad sensor cause the vehicle to run hot?
FAQ - Question 2Can engine knock damage an engine?
Good Maintenance Practices - Section 1 - Bullet 1Use approved octane fuel for your vehicle.
Good Maintenance Practices - Section 1 - Bullet 2Have vehicle serviced if 'Check Engine' light illuminates.
Height (in)1.6
Meets or Exceeds Original Equipment Manufacture SpecificationsYes
Mounting Hardware IncludedNo
Programming RequiredNo
Terminal Quantity1
Terminal TypePin
Weight (lb)0.22
Width (in)2
Wire Harness IncludedNo



  • 2001-2006 Chevrolet Silverado 3500
  • 2007-2007 GMC Sierra 2500 HD Classic
  • 2001-2006 GMC Sierra 2500 HD
  • 2001-2002 Chevrolet Express 3500
  • 2001-2006 GMC Sierra 3500
  • 2007-2007 GMC Sierra 3500 Classic
  • 2001-2002 GMC Savana 3500
  • 2001-2002 Chevrolet C3500HD
  • 2001-2002 GMC C3500HD
  • 2001-2006 Chevrolet Silverado 2500 HD
  • 2002-2006 Chevrolet Avalanche 2500
  • 2007-2007 Chevrolet Silverado 3500 Classic
  • 2007-2007 Chevrolet Silverado 2500 HD Classic
  • 2001-2006 Chevrolet Suburban 2500
  • 1998-1999 Chevrolet P30
  • 2001-2006 GMC Yukon XL 2500
Customer Questions
Does AC Delco make Ford parts?
No, AC Delco produces parts primarily for General Motors vehicles and does not make parts specifically for Ford vehicles.
Can I use AC Delco parts to replace OEM parts?
Yes, in most cases AC Delco parts can be used as a replacement for OEM parts. However, it's important to ensure that the parts are compatible with your specific make and model of vehicle.
What AC Delco oil filter do I need?
AC Delco offers a variety of oil filters that are compatible with different makes and models of vehicles. To determine which AC Delco oil filter you need, consult your vehicle's owner's manual or use our online filter lookup tool that matches the make, model, and year of your vehicle.
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