HomeEmission Control > SensorsStandard Ignition KS512 Ignition Knock (Detonation) Sensor
Part #: KS512

Standard Ignition KS512 Ignition Knock (Detonation) Sensor

⚙️ 37 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, Chevrolet, and GMC, Acadia, Blazer, CT4, CT5, CT6, Envision, XT4, XT5, and XT6
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Reliable Ignition Knock Sensor for Buick, Cadillac, Chevrolet, and GMC

The Standard Ignition KS512 Ignition Knock (Detonation) Sensor is designed to provide accurate knock detection for improved engine performance. Compatible with select Buick, Cadillac, Chevrolet, and GMC models, this sensor helps maintain optimal combustion by detecting engine knock and sending signals to the engine control unit.

  • Direct, snap fit attachment method for secure mounting
  • Metal and plastic construction for durability
  • Two terminals with male blade type for reliable electrical connection
  • Single female plug-in connector for easy integration
  • Designed for direct mounting to engine block

Durable Design and Precise Fitment

The KS512 ignition knock sensor features a robust metal and plastic build that withstands harsh engine environments. Its direct mounting type and snap fit attachment method ensure a secure and precise installation on compatible vehicles. The sensor includes a single female connector with two male blade terminals, providing a stable electrical connection essential for accurate knock detection. This sensor is engineered specifically for Buick Acadia, Cadillac CT4, CT5, CT6, Chevrolet Blazer, and GMC Envision, XT4, XT5, and XT6 models, ensuring proper fit and function.

Purpose and Common Issues Addressed

  • Detects engine knock or detonation to prevent engine damage
  • Helps optimize ignition timing for improved fuel efficiency
  • Prevents rough idling and engine hesitation caused by knock
  • Reduces risk of engine misfire related to detonation
  • Supports emission control by maintaining proper combustion

Installation Notes and Tips

Installation of the Standard Ignition KS512 sensor requires direct mounting to the engine block using the snap fit method. Ensure the sensor terminals align correctly with the vehicle’s wiring harness connector, which is a female plug-in type with two male blade terminals. No mounting hardware is included, so use existing fasteners or hardware as needed. Proper torque specifications should be followed to avoid sensor damage or improper function.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details for the KS512 sensor are not provided here, Standard Ignition typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.

BrandStandard Ignition
Part NumberKS512
Mounting Hardware IncludedNo
Terminal Quantity2
Connector GenderFemale
Terminal GenderMale
Attachment MethodDirect, snap fit
Connector Quantity1
Connector TypePlug in
MaterialMetal, plastic
Mounting TypeDirect
Terminal TypeBlade

This part fits 37 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2024CadillacCT42.0LL4N/A
2024CadillacCT52.0LL4N/A
2024CadillacXT4N/A
2024CadillacXT52.0LL4N/A
2024ChevroletBlazer2.0LL4N/A
2023BuickEnvision2.0LL4N/A
2023CadillacCT42.0LL4N/A
2023CadillacCT52.0LL4N/A
2023CadillacXT4N/A
2023CadillacXT52.0LL4N/A
2023CadillacXT62.0LL4N/A
2023ChevroletBlazer2.0LL4N/A
2023GMCAcadia2.0LL4N/A
2022BuickEnvision2.0LL4N/A
2022CadillacCT42.0LL4N/A
2022CadillacCT52.0LL4N/A
2022CadillacXT4N/A
2022CadillacXT52.0LL4N/A
2022CadillacXT62.0LL4N/A
2022ChevroletBlazer2.0LL4N/A
2022GMCAcadia2.0LL4N/A
2021BuickEnvision2.0LL4N/A
2021CadillacCT42.0LL4N/A
2021CadillacCT52.0LL4N/A
2021CadillacXT4N/A
2021CadillacXT52.0LL4N/A
2021CadillacXT62.0LL4N/A
2021ChevroletBlazer2.0LL4N/A
2021GMCAcadia2.0LL4N/A
2020CadillacCT42.0LL4N/A
2020CadillacCT52.0LL4N/A
2020CadillacXT4N/A
2020CadillacXT52.0LL4N/A
2020ChevroletBlazer2.0LL4N/A
2020GMCAcadia2.0LL4N/A
2019CadillacCT62.0LL4N/A
2019CadillacXT4N/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:

12737536DKS249EKS150KDSB10109

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