HomeEmission Control > SensorsHolstein 2KNC0104 Ignition Knock (Detonation) Sensor
Part #: 2KNC0104

Holstein 2KNC0104 Ignition Knock (Detonation) Sensor

Holstein Parts
⚙️ 105 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Holstein Parts
🚗Fitment: Hyundai and Kia, Elantra N, Forte, Forte Koup, Forte5, Kona N, Magentis, Optima, Rondo, Santa Fe, Santa Fe Sport, Sonata, Sorento, Sportage, Tucson, and Veloster N
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Reliable Ignition Knock Sensor for Hyundai and Kia Vehicles

The Holstein Parts 2KNC0104 Ignition Knock (Detonation) Sensor is designed to accurately detect engine knock and optimize ignition timing. This sensor is compatible with a range of Hyundai and Kia models, ensuring precise engine performance and emission control.

  • Terminal Type: Blade for secure electrical connection
  • Single female oval connector with 2 male terminals
  • Designed specifically for Hyundai and Kia vehicles including Elantra N, Forte, Sonata, and more
  • Part number 2KNC0104 ensures exact fit and function
  • Part of the Holstein Parts line, known for quality emission control components

About the Holstein Parts Product Line

Holstein Parts offers a comprehensive range of emission control sensors engineered to meet OEM specifications. The Holstein Parts line focuses on delivering reliable and durable components such as ignition knock sensors that maintain engine efficiency and reduce harmful emissions. The 2KNC0104 sensor is part of this line, providing a dependable solution for Hyundai and Kia vehicles requiring precise knock detection.

Detailed Product Description

The Holstein 2KNC0104 ignition knock sensor features a blade terminal type with two male terminals housed within a single female oval connector. This configuration ensures a secure and stable electrical connection, critical for accurate knock detection. Compatible with multiple Hyundai and Kia models—including the Elantra N, Forte series, Sonata, Santa Fe, Sorento, Sportage, Tucson, and Veloster N—this sensor plays a vital role in monitoring engine detonation and adjusting ignition timing accordingly to optimize performance and emissions.

Common Issues Addressed by the Ignition Knock Sensor

  • Engine knocking or pinging during acceleration
  • Reduced fuel efficiency due to improper ignition timing
  • Check engine light triggered by knock sensor fault codes
  • Increased emissions from uncontrolled detonation
  • Engine performance irregularities related to detonation detection

Installation Notes and Tips

When installing the Holstein 2KNC0104 sensor, ensure the connector is fully seated and the blade terminals are free of corrosion or damage. This sensor requires a female oval connector with two male terminals, so verify compatibility with your vehicle’s wiring harness. Proper torque specifications should be followed to avoid sensor damage or inaccurate readings.

Quality Assurance and Warranty

Holstein Parts maintains strict quality control standards to ensure each ignition knock sensor meets OEM requirements. The 2KNC0104 is manufactured to provide consistent performance and durability. Please refer to Holstein Parts documentation for specific warranty details related to this sensor.

BrandHolstein
Part Number2KNC0104
PositionHolstein Parts
Terminal TypeBlade
Connector Quantity1
Connector ShapeOval
Terminal Quantity2
Connector GenderFemale
Terminal GenderMale

This part fits 105 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersFuel TypePositionNotes
2024HyundaiElantra N2.0LL4N/AHolstein Parts
2023HyundaiElantra N2.0LL4N/AHolstein Parts
2023HyundaiKona N2.0LL4N/AHolstein Parts
2022HyundaiElantra N2.0LL4N/AHolstein Parts
2022HyundaiKona N2.0LL4N/AHolstein Parts
2022HyundaiVeloster N2.0LL4N/AHolstein Parts
2022KiaSportage2.4LL4N/AWith OE Number 392502G100; Holstein Parts
2021HyundaiTucson2.4LL4N/AWith OE Number 392502G100; Holstein Parts
2021HyundaiVeloster N2.0LL4N/AHolstein Parts
2021KiaSportage2.4LL4N/AWith OE Number 392502G100; Holstein Parts
2020HyundaiSanta Fe2.0LL4N/AWith OE Number 392502G700; Holstein Parts
2020HyundaiTucson2.4LL4N/AWith OE Number 392502G100; Holstein Parts
2020HyundaiVeloster N2.0LL4N/AHolstein Parts
2020KiaOptimaAutomatic2.0LL4GASN/AWith OE Number 392502G700; Holstein Parts
2020KiaSorentoFWD2.4LL4GASN/AWith OE Number 392502G100; Holstein Parts
2020KiaSportage2.4LL4N/AWith OE Number 392502G100; Holstein Parts
2019HyundaiSanta Fe2.4LL4GASN/ASet of two; Holstein Parts
2019HyundaiSonataAutomatic2.4LL4GASN/ASet of two; Holstein Parts
2019HyundaiTucson2.4LL4GASN/ASet of two; Holstein Parts
2019HyundaiTucsonAWDAutomatic2.4LL4GASN/AFrom 09/06/2018; Set of two; Holstein Parts
2019HyundaiVeloster N2.0LL4GASN/AHolstein Parts
2019KiaOptima2.4LL4GASN/AHolstein Parts
2019KiaSorento2.4LL4GASN/AHolstein Parts
2019KiaSportage2.4LL4GASN/AHolstein Parts
2018HyundaiSanta Fe Sport2.4LL4GASN/AHolstein Parts
2018HyundaiSonata2.4LL4GASN/AHolstein Parts
2018KiaOptima2.4LL4GASN/AHolstein Parts
2018KiaOptima2.0LL4GASN/AHolstein Parts
2018KiaSorento2.0LL4GASN/AHolstein Parts
2018KiaSorento2.4LL4GASN/AHolstein Parts
2018KiaSportage2.4LL4GASN/AHolstein Parts
2018KiaSportage2.0LL4GASN/AHolstein Parts
2017HyundaiSanta Fe Sport2.0LL4GASN/AWith OE Number 392502G700; Holstein Parts
2017HyundaiSonata2.4LL4N/AHolstein Parts
2017KiaOptima2.4LL4GASN/AHolstein Parts
2017KiaOptima2.0LL4GASN/AHolstein Parts
2017KiaSorento2.0LL4GASN/AHolstein Parts
2017KiaSorento2.4LL4GASN/AHolstein Parts
2017KiaSportage2.4LL4GASN/AHolstein Parts
2017KiaSportage2.0LL4GASN/AHolstein Parts
2016HyundaiSanta Fe Sport2.4LL4N/AHolstein Parts
2016HyundaiSonata2.4LL4N/AHolstein Parts
2016KiaSorento2.4LL4N/AHolstein Parts
2016KiaSportage2.4LL4N/AHolstein Parts
2015HyundaiSanta Fe Sport2.4LL4N/AHolstein Parts
2015HyundaiSonata2.4LL4GASN/AHolstein Parts
2015HyundaiTucson2.4LL4N/AHolstein Parts
2015KiaOptima2.4LL4GASN/AHolstein Parts
2015KiaSorento2.4LL4N/AHolstein Parts
2015KiaSportage2.4LL4N/AHolstein Parts
2014HyundaiSanta Fe Sport2.4LL4N/AHolstein Parts
2014HyundaiSonata2.4LL4GASN/AHolstein Parts
2014HyundaiTucson2.4LL4N/AHolstein Parts
2014KiaOptima2.4LL4GASN/AHolstein Parts
2014KiaSorento2.4LL4N/AHolstein Parts
2014KiaSportage2.4LL4N/AHolstein Parts
2013HyundaiSanta Fe Sport2.4LL4N/AHolstein Parts
2013HyundaiSonata2.4LL4GASN/AHolstein Parts
2013HyundaiTucson2.0LL4N/ATo 07/28/2013; Holstein Parts
2013HyundaiTucson2.4LL4N/AHolstein Parts
2013KiaForte2.0LL4N/AHolstein Parts
2013KiaForte2.4LL4N/AHolstein Parts
2013KiaForte Koup2.4LL4N/AHolstein Parts
2013KiaForte Koup2.0LL4N/AHolstein Parts
2013KiaForte52.4LL4N/AHolstein Parts
2013KiaForte52.0LL4N/AHolstein Parts
2013KiaOptima2.4LL4GASN/AHolstein Parts
2013KiaSorento2.4LL4N/AHolstein Parts
2013KiaSportage2.4LL4N/AHolstein Parts
2012HyundaiSanta Fe2.4LL4N/AHolstein Parts
2012HyundaiSonata2.4LL4GASN/AHolstein Parts
2012HyundaiTucson2.4LL4N/AHolstein Parts
2012HyundaiTucson2.0LL4N/AHolstein Parts
2012KiaForte2.0LL4N/AHolstein Parts
2012KiaForte2.4LL4N/AHolstein Parts
2012KiaForte Koup2.4LL4N/AHolstein Parts
2012KiaForte Koup2.0LL4N/AHolstein Parts
2012KiaForte52.4LL4N/AHolstein Parts
2012KiaForte52.0LL4N/AHolstein Parts
2012KiaOptima2.4LL4GASN/AHolstein Parts
2012KiaRondo2.4LL4N/AHolstein Parts
2012KiaSorento2.4LL4N/AHolstein Parts
2012KiaSportage2.4LL4N/AHolstein Parts
2011HyundaiSanta Fe2.4LL4N/AHolstein Parts
2011HyundaiSonata2.4LL4GASN/AHolstein Parts
2011HyundaiTucson2.4LL4N/AHolstein Parts
2011HyundaiTucson2.0LL4N/AHolstein Parts
2011KiaForte2.4LL4N/AHolstein Parts
2011KiaForte Koup2.4LL4N/AHolstein Parts
2011KiaOptima2.4LL4GASN/AHolstein Parts
2011KiaRondo2.4LL4N/AHolstein Parts
2011KiaSorento2.4LL4N/AHolstein Parts
2011KiaSportage2.4LL4N/AHolstein Parts
2010HyundaiSanta Fe2.4LL4N/AHolstein Parts
2010HyundaiSonata2.4LL4N/AHolstein Parts
2010HyundaiTucson2.4LL4N/AHolstein Parts
2010KiaForte2.4LL4N/AHolstein Parts
2010KiaForte Koup2.4LL4N/AHolstein Parts
2010KiaMagentis2.4LL4N/AHolstein Parts
2010KiaOptima2.4LL4N/AHolstein Parts
2010KiaRondo2.4LL4N/AHolstein Parts
2009HyundaiSonata2.4LL4N/AHolstein Parts
2009KiaMagentis2.4LL4N/AHolstein Parts
2009KiaOptima2.4LL4N/AHolstein Parts
2009KiaRondo2.4LL4N/ATHETA 2 (L6); Holstein Parts

* 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:

39250 2G10039250 2G20039250 SG20039250-2G00039250-2G10039250-2G20039250-SG200392502G100392502G20039250SG2005S12485ID0033KS383S8983

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