HomeElectrical, Lighting and Body > SensorsDelphi SS12405 Vehicle Speed Sensor
Part #: SS12405

Delphi SS12405 Vehicle Speed Sensor

⚙️ 19 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Hyundai and Kia, Forte, Forte Koup, Optima, and Sonata
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Vehicle Speed Sensor for Kia and Hyundai

The Delphi SS12405 vehicle speed sensor is a standard replacement part built for accurate speed signal output in select Kia and Hyundai applications. It uses a 4-terminal female connector with a blade terminal design and includes the wiring harness for a direct-fit service replacement.

Key Features

  • Vehicle speed sensor for OE-style replacement
  • Standard replacement grade
  • 1 rectangle female connector
  • 4 blade terminals
  • Wiring harness included
  • Package contents: vehicle speed sensor

Application Details

Compatible With 2011-2020 Kia Optima, N/A; 2015-2019 Hyundai Sonata, N/A; 2011-2013 Kia Forte Koup, N/A; and 2011 Kia Forte, N/A. This Delphi SS12405 is a direct service option for drivers searching for a Kia Optima vehicle speed sensor, Hyundai Sonata speed sensor replacement, or a Kia Forte speed sensor with OE-style connector layout.

Delphi validates and calibrates its sensors to OE standards to help deliver accurate readings and consistent signal performance. This part cross-references EXEDY OEM SC579 for the same application.

What It Helps Address

  • Inaccurate vehicle speed readings
  • Speedometer fluctuation or loss of signal
  • Transmission shift concerns tied to speed input
  • ABS or drivability issues related to faulty speed data
  • Diagnostic trouble codes associated with the vehicle speed sensor circuit

Installation Notes

Verify connector shape, terminal count, and harness routing before installation. Confirm the vehicle application against the listed fitment for 2011-2020 Kia Optima, 2015-2019 Hyundai Sonata, 2011-2013 Kia Forte Koup, and 2011 Kia Forte. Inspect the mating connector and wiring for corrosion or damage before connecting the new sensor.

Quality Assurance

Delphi backs its sensor portfolio with OE development and product validation methods. The SS12405 is tested and calibrated to OE standards to support accurate readings and reduce repeat repairs.

BrandDelphi
Part NumberSS12405
Terminal TypeBlade
Grade TypeStandard replacement
Connector Quantity1
Connector ShapeRectangle
Terminal Quantity4
Connector GenderFemale
Terminal GenderFemale
Wiring Harness IncludedYes
Package ContentsVehicle speed sensor

This part fits 19 vehicles. Search below:

YearMakeModelSubmodelTransmissionLitersCylindersPositionNotes
2020KiaOptima2.4LL4N/A
2019HyundaiSonata2.4LL4N/A
2019KiaOptima2.4LL4N/A
2018HyundaiSonata2.4LL4N/A
2018KiaOptima2.4LL4N/A
2017HyundaiSonata2.4LL4N/A
2017KiaOptima2.4LL4N/A
2016HyundaiSonata2.4LL4N/A
2016KiaOptimaLX2.4LL4N/A
2015HyundaiSonata2.4LL4N/A
2015KiaOptimaLX2.4LL4N/A
2014KiaOptimaLX2.4LL4N/A
2013KiaForte KoupAutomaticN/A
2013KiaOptimaLX2.4LL4N/A
2012KiaForte KoupAutomaticN/A
2012KiaOptimaLX2.4LL4N/A
2011KiaForteAutomaticN/A
2011KiaForte KoupAutomaticN/A
2011KiaOptimaLX2.4LL4N/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:

42620-3B6005S17049SC579SN8281VSS1113

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