HomeEmission Control > SensorsStandard Ignition KS398 Ignition Knock (Detonation) Sensor
Part #: KS398

Standard Ignition KS398 Ignition Knock (Detonation) Sensor

⚙️ 139 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura and Honda, ILX, MDX, NSX, RLX, TLX, Pilot, Clarity, CR-V, Fit, HR-V, Odyssey, Passport, Ridgeline, RDX, Accord, CR-Z, Civic, Crosstour, and Insight
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Reliable Ignition Knock Sensor for Acura and Honda Vehicles

The Standard Ignition KS398 Ignition Knock (Detonation) Sensor is designed to accurately detect engine knock and help optimize performance in various Acura and Honda models. This sensor ensures your vehicle’s engine control unit receives precise feedback to prevent detonation and maintain efficient combustion.

  • Compatible with Acura and Honda models including Accord, Civic, CR-V, MDX, Pilot, and more
  • Part number KS398 for easy identification and replacement
  • Bolt-on attachment method for secure and straightforward installation
  • Features a single oval-shaped female connector with two male terminals
  • Constructed from durable metal and plastic materials for long-lasting use

Technical Details and Sensor Attributes

The KS398 ignition knock sensor utilizes a bolt mount attachment method, ensuring a firm and reliable connection to the engine block. It includes one oval-shaped plug-in connector with female gender, designed to mate with male pin terminals. The sensor has two terminals, which are male pins, facilitating proper electrical connectivity. Made from a combination of metal and plastic, this sensor is built to withstand the harsh conditions under the hood. Note that mounting hardware is not included, so ensure you have the necessary bolts for installation.

Compatible Acura and Honda Models

This ignition knock sensor is compatible with a wide range of Acura and Honda vehicles, including but not limited to the Accord, Civic, Clarity, CR-V, CR-Z, Crosstour, Fit, HR-V, ILX, Insight, MDX, NSX, Odyssey, Passport, Pilot, RDX, Ridgeline, RLX, and TLX. Using the correct sensor like the Standard Ignition KS398 helps maintain engine efficiency and reduces the risk of engine damage caused by detonation.

Common Issues Addressed by the KS398 Sensor

  • Engine knocking or pinging during acceleration or load
  • Reduced fuel efficiency due to improper ignition timing
  • Check engine light triggered by knock sensor fault codes
  • Engine performance issues related to detonation detection failure
  • Potential engine damage from undetected knock events

Installation Notes and Tips

Installation of the Standard Ignition KS398 sensor requires removal of the old sensor and securing the new sensor using a bolt-on method. Since mounting hardware is not included, use the original bolts or appropriate replacements. Ensure the connector is properly aligned and plugged in to avoid electrical issues. It is recommended to follow the vehicle manufacturer’s service manual for torque specifications and installation procedures.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The KS398 ignition knock sensor undergoes rigorous quality control to ensure consistent operation. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandStandard Ignition
Part NumberKS398
Attachment MethodBolt On
Connector GenderFemale
Connector ShapeOval
Mounting TypeBolt Mount
Terminal GenderMale
Terminal TypeBlade

This part fits 139 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025AcuraMDXN/A
2025AcuraRDXN/A
2025HondaPilotN/A
2024AcuraMDXN/A
2024AcuraRDXN/A
2024HondaPilotN/A
2023AcuraMDXN/A
2023AcuraRDXN/A
2023HondaPilotN/A
2022AcuraMDXN/A
2022AcuraRDXN/A
2022HondaAccord2.0LL4N/A
2022HondaPilotN/A
2021AcuraRDXN/A
2021HondaAccord2.0LL4N/A
2021HondaClarity1.5LL4N/A
2021HondaInsight1.5LL4N/A
2021HondaOdyssey3.5LV6N/A
2021HondaPilotN/A
2020AcuraILX2.4LL4N/A
2020AcuraMDXN/A
2020AcuraNSX3.5LV6N/A
2020AcuraRDXN/A
2020AcuraRLXN/A
2020AcuraTLX2.4LL4N/A
2020AcuraTLX3.5LV6N/A
2020HondaAccord2.0LL4N/A
2020HondaClarity1.5LL4N/A
2020HondaCR-V2.0LL4N/A
2020HondaFit1.5LL4N/A
2020HondaHR-V1.8LL4N/A
2020HondaInsight1.5LL4N/A
2020HondaOdyssey3.5LV6N/A
2020HondaPassport3.5LV6N/A
2020HondaPilotN/A
2020HondaRidgeline3.5LV6N/A
2019AcuraILX2.4LL4N/A
2019AcuraMDXN/A
2019AcuraNSX3.5LV6N/A
2019AcuraRLXN/A
2019AcuraTLX2.4LL4N/A
2019AcuraTLX3.5LV6N/A
2019HondaAccord2.0LL4N/A
2019HondaClarity1.5LL4N/A
2019HondaCR-V2.4LL4N/A
2019HondaFit1.5LL4N/A
2019HondaHR-V1.8LL4N/A
2019HondaInsight1.5LL4N/A
2019HondaOdyssey3.5LV6N/A
2019HondaPassport3.5LV6N/A
2019HondaPilotN/A
2019HondaRidgeline3.5LV6N/A
2018AcuraILX2.4LL4N/A
2018AcuraMDXN/A
2018AcuraNSX3.5LV6N/A
2018AcuraRDXN/A
2018AcuraRLXN/A
2018AcuraTLX2.4LL4N/A
2018AcuraTLX3.5LV6N/A
2018HondaAccord2.0LL4N/A
2018HondaClarity1.5LL4N/A
2018HondaCR-V2.4LL4N/A
2018HondaFit1.5LL4N/A
2018HondaHR-V1.8LL4N/A
2018HondaOdyssey3.5LV6N/A
2018HondaPilotN/A
2018HondaRidgeline3.5LV6N/A
2017AcuraILX2.4LL4N/A
2017AcuraMDXN/A
2017AcuraNSX3.5LV6N/A
2017AcuraRDXN/A
2017AcuraRLXN/A
2017AcuraTLX2.4LL4N/A
2017AcuraTLX3.5LV6N/A
2017HondaAccord2.4LL4N/A
2017HondaAccord3.5LV6N/A
2017HondaCR-V2.4LL4N/A
2017HondaHR-V1.8LL4N/A
2017HondaPilotN/A
2017HondaRidgeline3.5LV6N/A
2016AcuraILX2.4LL4N/A
2016AcuraMDXN/A
2016AcuraRDXN/A
2016AcuraRLXN/A
2016AcuraTLX2.4LL4N/A
2016AcuraTLX3.5LV6N/A
2016HondaAccord2.4LL4N/A
2016HondaAccord3.5LV6N/A
2016HondaCR-VN/A
2016HondaCR-ZN/A
2016HondaHR-V1.8LL4N/A
2016HondaPilotN/A
2015AcuraILX1.5LL4N/A
2015AcuraILX2.0LL4N/A
2015AcuraILX2.4LL4N/A
2015AcuraMDXN/A
2015AcuraRLXN/A
2015AcuraTLX2.4LL4N/A
2015AcuraTLX3.5LV6N/A
2015HondaAccord2.4LL4N/A
2015HondaAccord3.5LV6N/A
2015HondaCivic1.5LL4N/A
2015HondaCivic1.8LL4N/A
2015HondaCivic2.4LL4N/A
2015HondaCR-VN/A
2015HondaCR-ZN/A
2015HondaCrosstour2.4LL4N/A
2015HondaCrosstour3.5LV6N/A
2014AcuraILX1.5LL4N/A
2014AcuraILX2.0LL4N/A
2014AcuraILX2.4LL4N/A
2014AcuraMDXN/A
2014AcuraRLXN/A
2014HondaAccord2.0LL4N/A
2014HondaAccord2.4LL4N/A
2014HondaAccord3.5LV6N/A
2014HondaCivic1.5LL4N/A
2014HondaCivic1.8LL4N/A
2014HondaCivic2.4LL4N/A
2014HondaCR-VN/A
2014HondaCR-ZN/A
2014HondaCrosstour2.4LL4N/A
2014HondaCrosstour3.5LV6N/A
2014HondaInsightN/A
2013AcuraILX1.5LL4N/A
2013AcuraILX2.0LL4N/A
2013AcuraILX2.4LL4N/A
2013HondaAccord2.4LL4N/A
2013HondaAccord3.5LV6N/A
2013HondaCivic1.5LL4N/A
2013HondaCivic1.8LL4N/A
2013HondaCivic2.4LL4N/A
2013HondaCR-VN/A
2013HondaCrosstour3.5LV6N/A
2013HondaInsight1.3LL4N/A
2012HondaCivic1.5LL4N/A
2012HondaCivic1.8LL4N/A
2012HondaCivic2.4LL4N/A
2012HondaInsight1.3LL4N/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:

2KNC021830530R1AA015S1273971-700173033DKS838EKA1002EKS898KDSA57

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