HomeEmission Control > SensorsBeck Arnley 158-1791 Ignition Knock (Detonation) Sensor
Part #: 158-1791

Beck Arnley 158-1791 Ignition Knock (Detonation) Sensor

33 vehicles fit this part
Select your vehicle to confirm fitment
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Hyundai and Kia, Accent, Rio, Soul, and Veloster
Easy Returns — Return within 60 days for a full refund
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Overview of Beck Arnley Ignition Knock Sensor 158-1791

The Beck Arnley Ignition Knock (Detonation) Sensor 158-1791 is designed for precise detection of engine knock in select Hyundai and Kia vehicles. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

  • Compatible with Hyundai Accent, Kia Rio, Kia Soul, and Hyundai Veloster models
  • Part number 158-1791 ensures exact fit and function
  • Detects engine knock to prevent damage and improve efficiency
  • Direct replacement sensor for emission control systems
  • Durable construction for reliable long-term operation

Detailed Product Description

The Beck Arnley 158-1791 ignition knock sensor is an essential component in the emission control system of Hyundai Accent, Kia Rio, Kia Soul, and Hyundai Veloster vehicles. It detects engine detonation or knock by sensing vibrations caused by abnormal combustion. This information is relayed to the engine control module, which adjusts ignition timing to prevent engine damage and maintain fuel efficiency. The sensor is engineered to meet OEM specifications, ensuring compatibility and reliable performance in the specified vehicle models.

Common Applications and Issues Addressed

  • Prevents engine knocking and pinging that can cause internal damage
  • Helps maintain proper ignition timing for fuel efficiency
  • Reduces harmful emissions by optimizing combustion
  • Eliminates engine hesitation or rough idling caused by knock sensor failure
  • Supports emission control compliance in Hyundai and Kia vehicles

Installation Notes and Tips

  • Ensure vehicle compatibility with Hyundai Accent, Kia Rio, Kia Soul, or Hyundai Veloster before installation
  • Disconnect the battery before sensor replacement to avoid electrical issues
  • Use proper torque specifications to avoid sensor damage
  • Inspect wiring and connectors for corrosion or damage during installation
  • Clear engine codes after installation to reset the engine control module

Quality Assurance and Warranty

Beck Arnley ignition knock sensor 158-1791 is manufactured to meet or exceed OEM standards for fit, form, and function. The sensor undergoes rigorous testing to ensure durability and accurate performance under normal operating conditions. While specific warranty details may vary, Beck Arnley products typically include a limited warranty covering defects in materials and workmanship.

This part fits 33 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2019HyundaiAccent1.6LL4N/A
2019KiaRio1.6LL4N/A
2019KiaSoul1.6LL4N/A
2018HyundaiAccent1.6LL4N/A
2018KiaRio1.6LL4N/A
2018KiaSoulBase1.6LL4N/A
2017HyundaiAccent1.6LL4N/A
2017HyundaiVelosterBase1.6LL4N/A
2017HyundaiVelosterValue Edition1.6LL4N/A
2017KiaRio1.6LL4N/A
2017KiaSoulBase1.6LL4N/A
2016HyundaiAccent1.6LL4N/A
2016HyundaiVelosterBase1.6LL4N/A
2016KiaRio1.6LL4N/A
2016KiaSoul1.6LL4N/A
2015HyundaiAccent1.6LL4N/A
2015HyundaiVelosterBase1.6LL4N/A
2015KiaRio1.6LL4N/A
2015KiaSoul1.6LL4N/A
2014HyundaiAccent1.6LL4N/A
2014HyundaiVelosterBase1.6LL4N/A
2014KiaRio1.6LL4N/A
2014KiaSoul1.6LL4N/A
2013HyundaiAccent1.6LL4N/A
2013HyundaiVelosterBase1.6LL4N/A
2013KiaRio1.6LL4N/A
2013KiaSoul1.6LL4N/A
2012HyundaiAccent1.6LL4N/A
2012HyundaiVelosterBase1.6LL4N/A
2012KiaRio1.6LL4N/A
2012KiaSoul1.6LL4N/A
2011KiaSoul1.6LL4N/A
2010KiaSoul1.6LL4N/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:

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