HomeEmission Control > SensorsStandard Ignition KS66 Ignition Knock (Detonation) Sensor
Part #: KS66

Standard Ignition KS66 Ignition Knock (Detonation) Sensor

⚙️ 21 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$63.01Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ 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: Acura and Honda, Integra, Civic, Civic del Sol, Prelude, and Vigor
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition KS66 Knock Sensor

The Standard Ignition KS66 Ignition Knock (Detonation) Sensor is designed for precise detection of engine knock in select Acura and Honda vehicles. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

  • Compatible with Acura and Honda models including Civic, Civic del Sol, Integra, and Prelude
  • Single male blade terminal for reliable electrical connection
  • Bolt-on attachment method with bolt mount for secure installation
  • Plug-in connector type for straightforward wiring integration
  • Mounting hardware not included

Detailed Product Description

The KS66 knock sensor from Standard Ignition is engineered to detect engine detonation by sensing vibrations caused by knocking. Featuring a bolt mount design, this sensor securely attaches to the engine block using a bolt-on method, ensuring stable positioning for accurate readings. The sensor includes one male blade terminal that plugs directly into the vehicle’s wiring harness, simplifying installation and electrical connectivity. While mounting hardware is not included, the bolt-on design allows for easy replacement using existing fasteners.

This ignition knock sensor is specifically compatible with Acura and Honda vehicles such as the Civic, Civic del Sol, Integra, and Prelude, making it a suitable replacement part for maintaining engine efficiency and preventing damage caused by uncontrolled knocking.

Common Applications and Issues Addressed

  • Detects engine knock or detonation to prevent engine damage
  • Helps improve fuel efficiency by optimizing ignition timing
  • Prevents rough idling and engine hesitation caused by knock
  • Reduces risk of engine misfire related to detonation
  • Supports proper engine performance and emissions control

Installation Notes and Tips

  • Ensure the engine is cool before installation to avoid injury
  • Use the existing bolt or appropriate mounting hardware to secure the sensor
  • Verify the male blade terminal aligns correctly with the vehicle’s wiring harness connector
  • Check for proper torque specifications to avoid sensor damage
  • Inspect wiring and connector for corrosion or damage before installation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The KS66 knock sensor undergoes rigorous testing to ensure reliable performance in Acura and Honda vehicles. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product durability and reliability.

BrandStandard Ignition
Part NumberKS66
Attachment MethodBolt On
Connector TypePlug In
Mounting TypeBolt Mount
Terminal GenderMale
Terminal TypeBlade

This part fits 21 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2001AcuraIntegraN/A
2000AcuraIntegraN/A
2000HondaCivicSi1.6LL4N/A
1999AcuraIntegraN/A
1999HondaCivicSi1.6LL4N/A
1998AcuraIntegraN/A
1997AcuraIntegraN/A
1997HondaCivic del SolN/A
1996AcuraIntegraN/A
1996HondaCivic del SolN/A
1996HondaPreludeN/A
1995AcuraIntegraN/A
1995HondaCivic del Sol1.6LL4N/A
1995HondaPreludeN/A
1994AcuraIntegraN/A
1994HondaCivic del Sol1.6LL4N/A
1994HondaPreludeN/A
1993AcuraIntegraN/A
1993HondaPreludeN/A
1992AcuraIntegraN/A
1992HondaPreludeN/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:

144-715158-095817-0720213-2309242-1033290132KNC004430530PV1A015S213571-650072850AS10074DKS509KDSA81S8611SBC3786V26-72-0014

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