Help your engine computer hear the first signs of detonation with the Delphi sensor AS10149, an ignition knock (detonation) sensor designed to help protect against engine damage from pre-ignition knocking. It fits many vehicles, among them the 2006-2010 Hyundai Sonata, 2007-2009 Hyundai Santa Fe and 2007-2012 Hyundai Veracruz, as a direct-fit replacement for the listed applications. See the "Vehicles it fits" section for engine details and the full list.
Delphi's vehicle sensors are backed by strict OE development and product validation methods, and every sensor is tested and calibrated to OE standards for accurate readings.
- Tuned for accuracy: Calibrated across a wide variety of frequencies to detect shifts and adjust, providing accurate signals that help maximize engine performance with all fuels.
- Sealed construction: Sealed to withstand humidity, salt spray and automotive fluids.
- Signal protection: A ground-isolated design with a 2-wire shielded harness helps protect the sensor signal from electromagnetic interference (EMI).
- No power required: The self-generating piezoelectric design needs no power supplied to the sensor.
A knock sensor picks up the vibration of detonation and sends a signal to the engine computer, which can then adjust ignition timing. Signs this part may need replacing include a check engine light with a knock sensor code, audible pinging under load, or reduced power and fuel economy. These symptoms can have other causes, so diagnose the fault before replacing the sensor, and follow the vehicle service information for installation.
Interchange: 39320-3C000
393203C000 · 5S7688 · S8899 · DKS739 · KS299 · SU9176
This part cross-references / interchanges with the following part numbers:
5S7688, S8899, DKS739, 39320-3C000, KS299, SU9176
Frequently Asked Questions
What does the Delphi AS10149 knock sensor do?
It detects the vibration of engine knock (detonation) and sends a signal to the engine computer, which can adjust ignition timing. Its self-generating piezoelectric design needs no power supply.
Is this an 02 sensor for a 2006-2010 Hyundai Sonata?
No. The Delphi AS10149 is a knock (detonation) sensor, not an oxygen sensor. It is listed for the 2006-2010 Hyundai Sonata; an O2 sensor is a separate part.
Which other vehicles does this knock sensor fit?
It fits many vehicles, including the 2007-2009 Hyundai Santa Fe and 2007-2012 Hyundai Veracruz. See the "Vehicles it fits" section for engine details and the full list.
What are signs a knock sensor may need replacing?
Common signs include a check engine light with a knock sensor code, pinging under load, or reduced power and fuel economy. These can have other causes, so diagnose before replacing.
How is the sensor signal protected?
A ground-isolated design with a 2-wire shielded harness helps protect the signal from electromagnetic interference (EMI). The sensor is also sealed against humidity, salt spray and automotive fluids.
