HomeEmission Control > SensorsStandard Ignition KS139 Ignition Knock (Detonation) Sensor
Part #: KS139

Standard Ignition KS139 Ignition Knock (Detonation) Sensor

6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, Millenia
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Overview of Standard Ignition KS139 Knock Sensor for Mazda Millenia

The Standard Ignition KS139 Ignition Knock (Detonation) Sensor is designed specifically for Mazda Millenia models, providing reliable detection of engine knock. This screw-in sensor features a rectangular plug-in connector and a single female blade terminal, ensuring precise fitment and performance.

  • Compatible with Mazda Millenia vehicles
  • Screw-in mounting type with M10x1.25 thread size
  • Single female blade terminal for secure electrical connection
  • Rectangular plug-in connector for easy installation
  • Mounting hardware not included

Detailed Product Description and Attributes

The KS139 knock sensor from Standard Ignition is engineered to detect engine detonation and send signals to the engine control unit to optimize ignition timing. It features a screw-in attachment method with an M10x1.25 thread size, ensuring a secure and stable installation on the engine block. The sensor includes one female blade terminal with a rectangular plug-in connector, designed for straightforward electrical connection and compatibility with the Mazda Millenia's wiring harness. Note that mounting hardware is not included, so ensure you have the appropriate screws for installation.

Function and Common Applications

This ignition knock sensor is essential for maintaining engine performance and preventing damage caused by detonation. It is commonly used to address issues such as:

  • Engine knocking or pinging noises
  • Reduced fuel efficiency due to improper ignition timing
  • Check engine light triggered by knock sensor faults
  • Engine hesitation or poor acceleration
  • Potential engine damage from uncontrolled detonation

Installation Notes and Tips

When installing the Standard Ignition KS139 sensor on a Mazda Millenia, ensure the engine is cool to avoid injury. Use the correct M10x1.25 screw to securely mount the sensor. Connect the rectangular plug-in connector firmly to avoid electrical issues. It is recommended to inspect the wiring harness for any damage before installation. Proper torque specifications should be followed to prevent sensor damage or improper function.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. While mounting hardware is not included with the KS139 sensor, the product undergoes rigorous quality control to maintain consistent standards. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandStandard Ignition
Part NumberKS139
Attachment MethodScrew-in
Connector ShapeRectangular
Connector TypePlug In
Mounting TypeScrew-in
Terminal GenderFemale
Terminal TypeBlade
Thread SizeM10X1.25

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002MazdaMillenia2.5LV6N/A
2001MazdaMillenia2.5LV6N/A
2000MazdaMillenia2.5LV6N/A
1999MazdaMillenia2.5LV6N/A
1998MazdaMillenia2.5LV6N/A
1997MazdaMillenia2.5LV6N/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:

144-754158-110317-0773213-22402KNC00355S226471-663572823AS10113DKS568KDSB10017KLK118921KNS1047S8692SBC3834

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