HomeEmission Control > SensorsStandard Ignition KS135 Ignition Knock (Detonation) Sensor
Part #: KS135

Standard Ignition KS135 Ignition Knock (Detonation) Sensor

⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura and Honda, EL and Civic
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Overview of Standard Ignition KS135 Knock Sensor

The Standard Ignition KS135 Ignition Knock (Detonation) Sensor is designed for precise detection of engine knock in Acura and Honda vehicles. Specifically compatible with Honda Civic and Acura EL models, this sensor helps maintain optimal engine performance by monitoring detonation levels.

  • Compatible with Acura and Honda Civic, EL models
  • Part number KS135 for accurate identification
  • 3-terminal design with male terminals and female connector
  • Oval-shaped, plug-in connector for secure electrical connection
  • Bolt mount attachment with screw-on method for stable installation
  • Terminal type: pin; Connector quantity: 1
  • Mounting hardware not included

Technical Details and Features

The KS135 knock sensor features a 3-terminal configuration with male terminals and a female connector, ensuring reliable electrical contact. Its oval-shaped plug-in connector simplifies wiring connections, while the bolt mount design with a screw-on attachment method provides a secure and vibration-resistant fit. The sensor terminals use pin-type contacts, which are standard for this application. Note that mounting hardware is not included, so appropriate bolts should be sourced separately during installation.

Function and Application

This ignition knock sensor is essential for detecting engine detonation or knock, allowing the engine control unit (ECU) to adjust ignition timing accordingly. It is specifically designed for use in Acura and Honda vehicles, including the Civic and EL models, ensuring compatibility and proper function.

  • Detects engine knock to prevent damage
  • Helps optimize ignition timing for fuel efficiency
  • Reduces engine noise caused by detonation
  • Prevents potential engine damage from uncontrolled knocking
  • Supports emission control by maintaining proper combustion

Installation Notes and Tips

When installing the Standard Ignition KS135 sensor, ensure the mounting surface is clean and free of debris. Use the appropriate bolt hardware as mounting hardware is not included. The sensor should be securely bolt-mounted using the screw-on attachment method to prevent loosening due to engine vibrations. Connect the oval-shaped female plug firmly to the sensor’s male terminals to ensure a stable electrical connection. Verify compatibility with your Acura or Honda Civic or EL model before installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for reliable performance. The KS135 knock sensor undergoes rigorous quality control to ensure durability and accurate operation. Please refer to Standard Ignition’s warranty policy for specific coverage details related to this part number.

BrandStandard Ignition
Part NumberKS135
Attachment MethodScrew-On
Connector GenderFemale
Connector ShapeOval
Connector TypePlug In
Mounting TypeBolt Mount
Terminal GenderMale
Terminal TypePin

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005AcuraELN/A
2005HondaCivic1.7LL4N/A
2004AcuraELN/A
2004HondaCivic1.7LL4N/A
2003AcuraELN/A
2003HondaCivic1.7LL4N/A
2002AcuraELN/A
2002HondaCivic1.7LL4N/A
2001AcuraELN/A
2001HondaCivic1.7LL4N/A
2000AcuraELN/A
1999AcuraELN/A
1998AcuraELN/A
1997AcuraELN/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:

144-774158-126317-0793213-2237242-10832KNC022130530PLE0045S222971-659972983DKS591DKS591SBKDSA64KS135TKS78S8745SBC3727

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