HomeElectrical, Lighting and Body > SwitchesStandard Ignition CBS-2121 Headlight Dimmer Switch
Part #: CBS-2121

Standard Ignition CBS-2121 Headlight Dimmer Switch

⚙️ 2 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: Hyundai, Sonata
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Reliable Headlight Dimmer Switch for Hyundai Sonata

The Standard Ignition CBS-2121 headlight dimmer switch is designed specifically for Hyundai Sonata models. This essential electrical component ensures smooth operation of your vehicle's headlight dimming function, maintaining safety and visibility on the road.

Key Features of Standard Ignition CBS-2121

  • Direct replacement headlight dimmer switch for Hyundai Sonata
  • Durable construction for consistent electrical performance
  • Compatible with factory wiring and connectors
  • Engineered to meet OEM specifications
  • Part number CBS-2121 for precise identification

Product Details and Compatibility

The Standard Ignition CBS-2121 headlight dimmer switch is an electrical component categorized under switches, solenoids, and actuators. It is designed to fit Hyundai Sonata vehicles, providing reliable control over the headlight dimming function. This switch integrates seamlessly with the vehicle’s existing electrical system, ensuring proper dimmer operation without the need for modifications. Using the correct part number CBS-2121 guarantees compatibility and helps maintain the integrity of your vehicle’s lighting system.

Common Issues Addressed by This Headlight Dimmer Switch

  • Intermittent or non-functioning headlight dimming
  • Headlights stuck on high or low beam
  • Flickering headlights during dimmer operation
  • Electrical shorts or switch failure affecting lighting control
  • Difficulty switching between high and low beams

Installation Notes and Tips

  • Ensure vehicle ignition is off before beginning installation
  • Disconnect the battery to prevent electrical shorts
  • Locate the existing headlight dimmer switch on the steering column or dashboard area
  • Carefully disconnect wiring harness and remove the old switch
  • Install the Standard Ignition CBS-2121 switch by connecting the wiring harness securely
  • Test the dimmer function before reassembling panels

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The CBS-2121 headlight dimmer switch undergoes quality control testing to verify proper function. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in your replacement part.

BrandStandard Ignition
Part NumberCBS-2121
Attachment MethodBolt On
ColorBlack
Connector GenderFemale
Connector ShapeRectangular
ContentsSwitch
Cruise Control Cancel IncludedNo
Cruise Control On/Off Operator IncNo
Cruise Control Resume IncludedNo
Cruise Control Set IncludedNo
Cruise Control Speed Adjustment InNo
DisplayedYes
FinishPlastic
Fog Light Operator IncludedNo
FunctionsCombination Switch
Indicator Markings IncludedYes
Latching High Beam Operator IncludYes
Main Light Operator IncludedYes
Momentary High Beam Flasher IncludYes
New or RemanNew
Number Of Connector Cavities1
Rear Window Washer Spray IncludedNo
Rear Window Wiper Delay Control InNo
Rear Window Wiper Speed Setting InNo
Running Light Operator IncludedYes
Terminal GenderMale
Terminal TypeBlade
Turn Signal Control IncludedYes
Turn Signal/Directional IndicatorYes
Voltage12
Windshield Washer Spray IncludedNo
Windshield Wiper Delay Setting IncNo
Windshield Wiper Speed Setting IncNo

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
2007HyundaiSonataN/Aw/o Fog Lights; w/ Auto Headlights
2006HyundaiSonataN/Aw/o Fog Lights; w/ Auto Headlights

* 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:

1S1081153-23041934103K300DL7521S16321SW8165

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