HomeEmission Control > SensorsStandard Ignition KS538 Ignition Knock (Detonation) Sensor
Part #: KS538

Standard Ignition KS538 Ignition Knock (Detonation) Sensor

9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Hyundai and Kia, K5, Santa Cruz, Santa Fe, and Sonata
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Ignition Knock Sensor for Hyundai and Kia

Standard Ignition KS538 is an ignition knock sensor built for direct-fit service on select Hyundai and Kia applications. It uses a plug-in attachment method with a bolt-mount design, helping maintain secure sensor placement and reliable electrical connection in the engine management system.

Key Features

  • Ignition knock (detonation) sensor for emission control and engine management systems
  • Plug-in connector design with 2 connectors
  • 8 terminals with female connector gender and male terminal gender
  • Bolt-mount installation style for secure attachment
  • Plastic and metal construction for underhood durability
  • Standard Ignition KS538 replacement part number

Detailed Description

Standard Ignition KS538 is an OE-style knock sensor used to detect engine detonation and send the signal to the vehicle control system. On applications such as the Hyundai Santa Fe, Hyundai Sonata, Hyundai Santa Cruz, and Kia K5, accurate knock sensing helps the engine computer adjust timing based on combustion conditions. This part cross-references Hyundai/Kia OE numbers 392502S200 and DKS283 for the same application. Standard Ignition KS538 is a practical choice when servicing a knock sensor circuit on 2021-2024 Kia K5, 2022-2023 Hyundai Santa Cruz, 2023-2024 Hyundai Santa Fe, and 2024 Hyundai Sonata applications.

What It Helps Address

  • Knock sensor fault codes
  • Engine pinging or detonation-related drivability concerns
  • Reduced engine timing control from a failed sensor signal
  • Check engine light concerns tied to the knock sensor circuit
  • Rough running caused by inaccurate combustion feedback

Installation Notes and Tips

Verify connector style, terminal count, and bolt-mount location before installation. Inspect the harness connector for corrosion, bent terminals, or damaged locking tabs before plugging in the sensor. Confirm the mounting surface is clean and secure so the sensor can read engine vibration correctly. Fitment includes 2021-2024 Kia K5, 2022-2023 Hyundai Santa Cruz, 2023-2024 Hyundai Santa Fe, and 2024 Hyundai Sonata.

Quality Assurance

Standard Ignition supplies replacement ignition and engine management components for service applications that require accurate electrical fit and dependable sensor operation. KS538 is built to match the listed connector and mounting specifications for the confirmed vehicle applications.

BrandStandard Ignition
Part NumberKS538
Mounting Hardware IncludedNo
Terminal Quantity8
Connector GenderFemale
Terminal GenderMale
Attachment MethodPlug in
Connector Quantity2
Connector TypePlug in
MaterialPlastic, metal
Mounting TypeBolt mount
Terminal TypeBlade

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2024HyundaiSanta Fe2.5LL4N/A
2024HyundaiSonata2.5LL4N/A
2024KiaK52.5LL4N/A
2023HyundaiSanta Cruz2.5LL4N/A
2023HyundaiSanta Fe2.5LL4N/A
2023KiaK52.5LL4N/A
2022HyundaiSanta Cruz2.5LL4N/A
2022KiaK52.5LL4N/A
2021KiaK52.5LL4N/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:

392502S200DKS283EKS186KDSB10136KS538

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