Standard Ignition MRS4 Door Remote Mirror Switch

Brand Standard Ignition MRS4
Connector Gender Female
Terminal Gender Male
Terminal Type Pins
Fits Ford · 5 vehicles

OE direct replacement. Restores power mirror function with proper fit, form and function.

Copper alloy conductors. Deliver strong conductivity with low resistive losses.

OE-spec construction. Built to meet demanding service-professional standards.

Cross-references 1S9056, 4L3Z17B676A and 53-41887 for the same application. See all 7.

$54.10Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Door Remote Mirror Switch for Ford F-150

Restore power mirror control with this Standard Ignition door remote mirror switch, part number MRS4. It is a direct-fit electrical replacement for the 2004 Ford F-150 and is built to match OE fit, form, and function.

Standard Ignition MRS4 uses copper alloy conductors for strong electrical conductivity and low resistive loss. The switch is made with a female connector, male pins, and 8 terminals to match the original electrical layout.

Key Features

  • Direct-fit replacement for the factory door remote mirror switch
  • Fits 2004 Ford F-150, N/A
  • Standard Ignition MRS4 replacement part
  • Female connector with male pin terminals
  • 8-terminal design for OE-style electrical connection
  • Copper alloy conductors for efficient signal transfer
  • Built to OE specifications for proper fit, form, and function

Detailed Description

This Standard Ignition MRS4 door remote mirror switch is designed for drivers needing a replacement for a damaged or non-functioning mirror control. It restores power mirror operation on the 2004 Ford F-150 by replacing the original switch with an OE-spec unit that matches the vehicle’s electrical and physical requirements. If you are searching for a 2004 Ford F-150 power mirror switch replacement or a Standard Ignition MRS4 mirror switch, this part is built for that application.

This part cross-references 1S9056 and 4L3Z17B676A for the same application.

What It Helps Fix

  • Inoperative power mirror adjustment
  • Intermittent mirror switch response
  • Broken or worn switch contacts
  • Electrical connection issues at the door switch
  • Loss of mirror control from driver input

Installation Notes and Tips

Verify connector style, terminal count, and vehicle application before installation. This switch uses a female connector, male pins, and 8 terminals, so matching the original OE configuration is important for proper operation. Confirm the 2004 Ford F-150 fitment and compare the original switch before replacement.

Quality Assurance

Standard Ignition builds this switch to OE specifications using robust materials and copper alloy conductors to support reliable electrical performance in service use.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2004FordF-150FX4N/A—
2004FordF-150LariatN/A—
2004FordF-150STXN/A—
2004FordF-150XLN/A—
2004FordF-150XLTN/A—
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1S90564L3Z17B676A53-41887PA1254RMC1017RMS4SW6521