Dorman 901-124 Door Mirror Switch - Front Left

Brand Dorman 901-124
Position Front Left
Attached Lead Wires No
Housing Material Plastic
Illuminated Yes
Package Contents 1 Switch
Terminal Type Blade
Universal Or Specific Fit Specific
Wiring Harness Included No
Fits Cadillac, Chevrolet, and GMC · 48 vehicles

OE-style replacement. Matches the appearance and function of the original switch.

Quality materials. Plastic housing is engineered for reliable performance and durability.

Illuminated switch. Built with blade terminals for straightforward electrical connection.

Cross-references Standard Ignition MRS21, 1S8324 and 15045085 for the same application. See all 5.

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Dorman 901-124 Door Mirror Switch

The Dorman 901-124 door mirror switch is a specific-fit replacement for vehicles that need a direct match to the original switch layout and function. It is built with a plastic housing, illuminated controls, and blade terminals for a clean OE-style repair on the driver-side mirror control circuit.

Compatible With 2000-2002 Chevrolet Silverado 1500, front left; 2001-2002 Chevrolet Silverado 1500 HD, front left; 2000-2002 GMC Sierra 1500, front left; and other listed Cadillac, Chevrolet, and GMC applications.

Key Features

  • Specific-fit door mirror switch for direct replacement use
  • Matches the appearance and function of the original switch on listed applications
  • Illuminated design for easier visibility in low-light conditions
  • Blade terminal type for straightforward electrical connection
  • Plastic housing for OE-style fit and finish
  • No attached lead wires and no wiring harness included

Product Details

This Dorman mirror switch is engineered for vehicles that use a front left door mirror control switch, including Chevrolet Silverado, GMC Sierra, Chevrolet Tahoe, GMC Yukon, Cadillac Escalade, and related models in the 2000-2002 range. It is designed to restore mirror adjustment control when the original switch is worn, damaged, or no longer responding properly. This part cross-references Standard Ignition MRS21 for the same application.

Common Issues It Can Solve

  • Inoperative power mirror adjustment on the driver side
  • Intermittent mirror control response
  • Broken, sticky, or worn switch buttons
  • Dim or failed switch illumination
  • Damaged electrical terminals at the mirror switch

Installation Notes and Tips

Verify the vehicle’s year, make, model, and front left position before installation. Confirm blade-terminal configuration and compare the original switch connector to the replacement part. Because no wiring harness is included, reuse the existing vehicle harness and inspect it for corrosion or loose terminals before reconnecting. For best results, test mirror movement in all directions after installation.

Quality Assurance

Dorman designs this switch to match the original appearance and function on specified applications and uses quality materials for reliable performance and durability. Part number 901-124 is built as a direct replacement solution for repair work where OE-style fit and operation are required.

This part fits 48 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2002CadillacEldoradoFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002CadillacEscaladeFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002CadillacEscalade EXTFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002ChevroletAvalanche 1500Front Leftwo/Luxury Edition Package; Packaging Type: Box
2002ChevroletSilverado 1500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002ChevroletSilverado 1500 HDFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002ChevroletSilverado 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002ChevroletSilverado 2500 HDFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002ChevroletSilverado 3500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002ChevroletSuburban 1500Front Leftwo/Luxury Edition Package; Packaging Type: Box
2002ChevroletSuburban 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002ChevroletTahoeFront Leftwo/Luxury Edition Package; Packaging Type: Box
2002GMCSierra 1500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002GMCSierra 1500 HDFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002GMCSierra 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002GMCSierra 2500 HDFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002GMCSierra 3500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2002GMCYukonFront Leftwo/Luxury Edition Package; Packaging Type: Box
2002GMCYukon XL 1500Front Leftwo/Luxury Edition Package; Packaging Type: Box
2002GMCYukon XL 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001ChevroletSilverado 1500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001ChevroletSilverado 1500 HDFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001ChevroletSilverado 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001ChevroletSilverado 2500 HDFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001ChevroletSilverado 3500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001ChevroletSuburban 1500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001ChevroletSuburban 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001ChevroletTahoeFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001GMCSierra 1500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001GMCSierra 1500 HDFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001GMCSierra 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001GMCSierra 2500 HDFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001GMCSierra 3500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001GMCYukonFront LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001GMCYukon XL 1500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001GMCYukon XL 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000ChevroletSilverado 1500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000ChevroletSilverado 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000ChevroletSuburban 1500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000ChevroletSuburban 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000ChevroletTahoe5.3LV8Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000ChevroletTahoe4.8LV8Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000GMCSierra 1500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000GMCSierra 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000GMCYukon5.3LV8Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000GMCYukon4.8LV8Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000GMCYukon XL 1500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000GMCYukon XL 2500Front LeftProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — MRS211S832415045085RMS21SW5810