Standard Ignition CBS-2121 Headlight Dimmer Switch

Brand Standard Ignition CBS-2121
Attachment Method Bolt On
Color Black
Connector Gender Female
Connector Shape Rectangular
Contents Switch
Cruise Control Cancel Included No
Cruise Control On/Off Operator Inc No
Cruise Control Resume Included No
Cruise Control Set Included No
Cruise Control Speed Adjustment In No
Displayed Yes
Finish Plastic
Fog Light Operator Included No
Functions Combination Switch
Indicator Markings Included Yes
Latching High Beam Operator Includ Yes
Main Light Operator Included Yes
Momentary High Beam Flasher Includ Yes
New or Reman New
Number Of Connector Cavities 1
Rear Window Washer Spray Included No
Rear Window Wiper Delay Control In No
Rear Window Wiper Speed Setting In No
Running Light Operator Included Yes
Terminal Gender Male
Terminal Type Blade
Turn Signal Control Included Yes
Turn Signal/Directional Indicator Yes
Voltage 12
Windshield Washer Spray Included No
Windshield Wiper Delay Setting Inc No
Windshield Wiper Speed Setting Inc No
Fits Hyundai · 2 vehicles

Bolt-on installation. Female connector and 16 blade terminals simplify replacement.

Combination switch. Controls headlights, turn signals, and running lights in one unit.

New plastic finish. Black housing with indicator markings for a clean, easy-to-read look.

Cross-references Standard Ignition CBS-2121, 1S10811 and 53-23041 for the same application. See all 8.

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Headlight Dimmer Switch for Hyundai Sonata

Restore reliable lighting control with this Standard Ignition headlight dimmer switch, part number CBS-2121. It is a new, bolt-on combination switch built for 12-volt systems and direct replacement service on select 2006-2007 Hyundai Sonata models with auto headlights and without fog lights.

Key Features

  • Standard Ignition CBS-2121 headlight dimmer switch
  • Combination switch function with turn signal control included
  • Main light operator, running light operator, and latching high beam operator included
  • Momentary high beam flasher and indicator markings included
  • Black plastic finish with rectangular female connector
  • 16 blade terminals, 1 connector cavity, bolt-on attachment
  • New replacement part for 12-volt electrical systems

Detailed Description

The CBS-2121 is a headlight dimmer switch designed to manage key exterior lighting functions from the steering column. It supports main lighting, high beam switching, flash-to-pass operation, running lights, and turn signal control in one combination switch assembly. For Hyundai Sonata owners searching for a 2006-2007 Hyundai Sonata headlight dimmer switch or a Standard Ignition CBS-2121 replacement, this part provides the correct electrical interface for the listed application.

Compatible With 2006-2007 Hyundai Sonata, N/A, w/o Fog Lights; w/ Auto Headlights. This part cross-references Standard Ignition CBS-2121 for the same application.

What It Helps Fix

  • Inoperative or intermittent headlight dimmer function
  • High beams that will not latch or flash properly
  • Turn signal control issues at the combination switch
  • Dimmer switch wear that affects exterior lighting operation
  • Lighting control problems caused by a damaged steering column switch

Installation Notes and Tips

This switch uses a bolt-on attachment method with a female rectangular connector and male blade terminals. Verify the vehicle is equipped with auto headlights and does not have fog lights before installation. Match the connector shape, terminal count, and switch functions to the original unit before final assembly.

Quality Assurance

Standard Ignition CBS-2121 is a new replacement electrical switch built for direct-fit service on the listed Hyundai Sonata applications. Confirm fitment by year, model, and equipment before installation.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2007HyundaiSonataN/Aw/o Fog Lights; w/ Auto Headlights
2006HyundaiSonataN/Aw/o Fog Lights; w/ Auto Headlights
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — CBS-21211S1081153-2304164-0446934103K300DL7521S16321SW8165