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Standard Ignition MRS21 Door Remote Mirror Switch
| Brand | Standard Ignition MRS21 |
|---|---|
| Color | Black |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Terminal Gender | Male |
| Terminal Type | Pins |
| Fits | Chevrolet and GMC · 45 vehicles |
OE-spec direct fit. Restores mirror switch function with proper fit, form, and function.
Copper alloy conductors. Deliver superior conductivity with low resistive losses.
Robust construction. Built with high-grade materials for demanding service use.
Cross-references ACI 387136, Dorman - OE Solutions 901-124 and 1S8324 for the same application. See all 9.
OE-Style Door Remote Mirror Switch
Restore power mirror control with this Standard Ignition door remote mirror switch. The MRS21 is a direct-fit electrical replacement built to OE specifications for proper fit, form, and function in supported Chevrolet and GMC trucks and SUVs.
- Direct-fit replacement for a damaged or nonworking mirror switch
- OE-spec design for consistent fit and operation
- Copper alloy conductors for strong electrical conductivity and low resistance
- Black housing with a rectangular female connector
- 9 male pin terminals for the listed applications
Detailed Product Overview
Standard Ignition MRS21 is a door remote mirror switch designed to replace the original electrically operated unit and restore power mirror adjustment. It uses copper alloy conductors to support efficient current flow, while the robust construction and OE-spec dimensions help it match the original switch location and connector layout. This part cross-references Dorman - OE Solutions 901-124 for the same application.
Compatible With 2000-2002 Chevrolet Silverado 1500, 2001-2002 Chevrolet Silverado 1500 HD, 2000-2002 Chevrolet Silverado 2500, 2001-2002 Chevrolet Silverado 2500 HD, 2001-2002 Chevrolet Silverado 3500, 2000-2002 Chevrolet Suburban 1500, 2000-2002 Chevrolet Suburban 2500, 2000-2002 Chevrolet Tahoe, 2000-2002 GMC Sierra 1500, 2001-2002 GMC Sierra 1500 HD, 2000-2002 GMC Sierra 2500, 2001-2002 GMC Sierra 2500 HD, 2001-2002 GMC Sierra 3500, 2001 Chevrolet C1500, 2000 Chevrolet C2500, 2000 Chevrolet C3500, 2000 Chevrolet K2500, 2000 Chevrolet K3500, 2000 GMC C2500, 2000 GMC C3500, 2000 GMC K2500, 2000 GMC K3500, 2000 GMC Yukon, 2000 GMC Yukon XL 1500, and 2000 GMC Yukon XL 2500.
Common Problems This Switch Can Solve
- Power mirrors that do not respond to switch input
- Intermittent mirror adjustment on the driver door
- Broken, worn, or damaged original mirror switch contacts
- Electrical issues caused by poor internal conductivity
- Loss of mirror control in Chevrolet Silverado, Suburban, Tahoe, Sierra, and Yukon applications
Installation Notes and Tips
Verify the connector style, terminal count, and OE switch layout before installation. This MRS21 uses a female rectangular connector with 9 male pin terminals, so matching the original electrical interface is important for proper operation. Confirm vehicle application by year, make, and model before replacing the switch.
Quality Assurance
Standard Ignition builds this switch to OE specification using durable materials intended to meet the demands of professional service work. The design focuses on correct fitment and dependable electrical performance for the listed applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Chevrolet | Silverado 1500 | N/A | — |
| 2002 | Chevrolet | Silverado 1500 HD | N/A | — |
| 2002 | Chevrolet | Silverado 2500 | N/A | — |
| 2002 | Chevrolet | Silverado 2500 HD | N/A | — |
| 2002 | Chevrolet | Silverado 3500 | N/A | — |
| 2002 | Chevrolet | Suburban 1500 | N/A | — |
| 2002 | Chevrolet | Suburban 2500 | N/A | — |
| 2002 | Chevrolet | Tahoe | N/A | — |
| 2002 | GMC | Sierra 1500 | N/A | — |
| 2002 | GMC | Sierra 1500 HD | N/A | — |
| 2002 | GMC | Sierra 2500 | N/A | — |
| 2002 | GMC | Sierra 2500 HD | N/A | — |
| 2002 | GMC | Sierra 3500 | N/A | — |
| 2001 | Chevrolet | C1500 | N/A | — |
| 2001 | Chevrolet | Silverado 1500 | N/A | — |
| 2001 | Chevrolet | Silverado 1500 HD | N/A | — |
| 2001 | Chevrolet | Silverado 2500 | N/A | — |
| 2001 | Chevrolet | Silverado 2500 HD | N/A | — |
| 2001 | Chevrolet | Silverado 3500 | N/A | — |
| 2001 | Chevrolet | Suburban 1500 | N/A | — |
| 2001 | Chevrolet | Suburban 2500 | N/A | — |
| 2001 | Chevrolet | Tahoe | N/A | — |
| 2001 | GMC | Sierra 1500 | N/A | — |
| 2001 | GMC | Sierra 1500 HD | N/A | — |
| 2001 | GMC | Sierra 2500 | N/A | — |
| 2001 | GMC | Sierra 2500 HD | N/A | — |
| 2001 | GMC | Sierra 3500 | N/A | — |
| 2000 | Chevrolet | C2500 | N/A | — |
| 2000 | Chevrolet | C3500 | N/A | — |
| 2000 | Chevrolet | K2500 | N/A | — |
| 2000 | Chevrolet | K3500 | N/A | — |
| 2000 | Chevrolet | Silverado 1500 | N/A | — |
| 2000 | Chevrolet | Silverado 2500 | N/A | — |
| 2000 | Chevrolet | Suburban 1500 | N/A | — |
| 2000 | Chevrolet | Suburban 2500 | N/A | — |
| 2000 | Chevrolet | Tahoe | N/A | — |
| 2000 | GMC | C2500 | N/A | — |
| 2000 | GMC | C3500 | N/A | — |
| 2000 | GMC | K2500 | N/A | — |
| 2000 | GMC | K3500 | N/A | — |
| 2000 | GMC | Sierra 1500 | N/A | — |
| 2000 | GMC | Sierra 2500 | N/A | — |
| 2000 | GMC | Yukon | N/A | — |
| 2000 | GMC | Yukon XL 1500 | N/A | — |
| 2000 | GMC | Yukon XL 2500 | N/A | — |
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