HomeEmission Control > SensorsStandard Ignition KS148 Ignition Knock (Detonation) Sensor
Part #: KS148

Standard Ignition KS148 Ignition Knock (Detonation) Sensor

⚙️ 25 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: Kia and Hyundai, Forte5, Santa Fe, Optima, Sonata, and Magentis
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Overview of Standard Ignition KS148 Knock Sensor

The Standard Ignition KS148 Ignition Knock (Detonation) Sensor is designed for precise detection of engine knock in select Hyundai and Kia vehicles. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

  • Direct screw-in mounting type with M12 x 1.25 thread size
  • Equipped with one oval-shaped female connector
  • Two blade terminals with male and female terminal genders
  • Attachment method: direct installation for secure fitment
  • Compatible with Hyundai Forte5, Magentis, Optima, Santa Fe, and Sonata models

Detailed Product Description

The KS148 ignition knock sensor from Standard Ignition is engineered to detect engine detonation by sensing vibrations caused by knocking. It features a screw-in mounting type with an M12 x 1.25 thread size, ensuring a secure and direct attachment to the engine block. The sensor includes a single oval-shaped female connector with two blade terminals—one male and one female—designed for reliable electrical connections. This configuration supports accurate signal transmission to the vehicle’s engine control unit, enabling timely adjustments to ignition timing and fuel delivery.

Compatible with a range of Hyundai and Kia vehicles, including the Forte5, Magentis, Optima, Santa Fe, and Sonata, the KS148 sensor meets the specific requirements of these models’ emission control systems. The direct attachment method simplifies installation and helps maintain consistent sensor positioning for optimal performance.

Common Applications and Issues Addressed

  • Detects engine knock or detonation to prevent engine damage
  • Helps reduce engine misfires and rough idling
  • Supports improved fuel efficiency by optimizing ignition timing
  • Prevents check engine light triggers related to knock sensor faults
  • Maintains emission control system compliance

Installation Notes and Tips

  • Ensure the mounting surface is clean and free of debris before installation
  • Use the correct M12 x 1.25 thread size to avoid cross-threading
  • Do not overtighten the sensor to prevent damage to the threads
  • Verify connector polarity: female oval connector mates with male blade terminals
  • Check for secure electrical connections to avoid intermittent sensor signals

Quality Assurance and Warranty

Standard Ignition KS148 sensors are manufactured to meet OEM specifications for durability and performance. While mounting hardware is not included, the sensor’s design ensures compatibility with factory mounting points. Standard Ignition typically offers a limited warranty covering defects in materials and workmanship, providing confidence in the sensor’s reliability for Hyundai and Kia vehicles.

BrandStandard Ignition
Part NumberKS148
Attachment MethodDirect
Connector GenderFemale
Connector ShapeOval
Mounting TypeScrew-in
Terminal GenderMale
Terminal TypeBlade
Thread SizeM12 x 1.25

This part fits 25 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012KiaForte52.4LL4N/A
2006HyundaiSanta Fe2.4LL4N/A
2006KiaOptima2.4LL4N/A
2005HyundaiSanta Fe2.4LL4N/A
2005HyundaiSonata2.4LL4N/A
2005KiaMagentis2.4LL4N/A
2005KiaOptima2.4LL4N/A
2004HyundaiSanta Fe2.4LL4N/A
2004HyundaiSonata2.4LL4N/A
2004KiaMagentis2.4LL4N/A
2004KiaOptima2.4LL4N/A
2003HyundaiSanta Fe2.4LL4N/A
2003HyundaiSonata2.4LL4N/A
2003KiaMagentis2.4LL4N/A
2003KiaOptima2.4LL4N/A
2002HyundaiSanta Fe2.4LL4N/A
2002HyundaiSonata2.4LL4N/A
2002KiaMagentis2.4LL4N/A
2002KiaOptima2.4LL4N/A
2001HyundaiSanta Fe2.4LL4N/A
2001HyundaiSonata2.4LL4N/A
2001KiaMagentis2.4LL4N/A
2001KiaOptima2.4LL4N/A
2000HyundaiSonata2.4LL4N/A
1999HyundaiSonata2.4LL4N/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:

0261231007144-788158-069317-0790213-22502KNC026139500380325S223671-660672923DKS594KDSA114S8741SBC3888V52-72-0110

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