Dorman 901-331 Door Lock Switch - Front Left or Front Right

Brand Dorman 901-331
Position Front Left
Attached Lead Wires No
Housing Material Plastic
Master Switch No
Package Contents 1 Switch
Terminal Type Blade
Wiring Harness Included No
Fits Ford and Mercury · 35 vehicles

OE-style match. Matches the original switch's appearance and function.

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

Blade terminals for straightforward electrical connection.

Cross-references Standard Ignition PDS-110, 1L2Z14028AB and 1S9009 for the same application. See all 5.

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Dorman 901-331 Door Lock Switch

Dorman 901-331 is a door lock switch built to match the appearance and function of the original switch on specified vehicles. It uses a plastic housing and blade terminals for a direct-style electrical connection, making it a practical replacement for worn or nonresponsive factory switches.

Compatible With Ford F-250 Super Duty, Ford F-350 Super Duty, Ford Excursion, Ford Explorer, Ford Explorer Sport Trac, Mercury Mountaineer, Ford F-150 Heritage, Ford F-150, Ford F-250, and Ford Crown Victoria applications where the listed front left or front right position matches the vehicle.

Key Features

  • OE-style door lock switch for factory appearance and function
  • Plastic housing for a lightweight, durable switch body
  • Blade terminal type for straightforward electrical connection
  • No master switch configuration
  • No wiring harness included and no attached lead wires
  • Designed for specified front left and front right applications

Detailed Description

This Dorman door lock switch is engineered as a direct replacement for the original switch on listed Ford and Mercury models. The part number 901-331 is used for applications including 2002-2007 Ford F-250 Super Duty front left, 2002-2007 Ford F-350 Super Duty front left, 2002-2005 Ford Excursion front left, 2002-2005 Ford Explorer front left, 2001-2005 Ford Explorer Sport Trac front right, 2002-2005 Mercury Mountaineer front left, 2004 Ford F-150 Heritage front left, 2002-2003 Ford F-150 front left, 2002-2003 Ford F-250 front left, and 2002 Ford Crown Victoria front left with lock symbol on switch. This makes it a focused replacement for drivers needing a door lock switch that matches the original layout and electrical interface.

This part cross-references Standard Ignition PDS-110 for the same application.

What It Helps Fix

  • Nonworking door lock switch operation
  • Broken or worn switch face from repeated use
  • Intermittent lock/unlock response at the door panel
  • Electrical connection issues caused by damaged switch terminals
  • Mismatch after replacing a factory switch with the wrong style

Installation Notes and Tips

Verify the switch position before ordering, since this part is listed for front left and front right applications depending on the vehicle. Confirm the terminal style and connector layout against the original switch, especially on 2001-2005 Ford Explorer Sport Trac front right and 2002 Ford Crown Victoria front left with lock symbol on switch. Because no wiring harness or lead wires are included, reuse the existing vehicle connector during installation.

Quality Assurance

Dorman designs this switch to match the original switch appearance and function on specified applications. It is made from quality materials for reliable performance and durability in regular vehicle use.

This part fits 35 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2007FordF-250 Super DutyFront Left—
2007FordF-350 Super DutyFront Left—
2006FordF-250 Super DutyFront Left—
2006FordF-350 Super DutyFront Left—
2005FordExcursionFront Left—
2005FordExplorerFront Left—
2005FordExplorer Sport TracFront Right—
2005FordF-250 Super DutyFront Left—
2005FordF-350 Super DutyFront Left—
2005MercuryMountaineerFront Left—
2004FordExcursionFront Left—
2004FordExplorerFront Left—
2004FordExplorer Sport TracFront Right—
2004FordF-150 HeritageFront Left—
2004FordF-250 Super DutyFront Left—
2004FordF-350 Super DutyFront Left—
2004MercuryMountaineerFront Left—
2003FordExcursionFront Left—
2003FordExplorerFront Left—
2003FordExplorer Sport TracFront Right—
2003FordF-150Front Left—
2003FordF-250Front Left—
2003FordF-250 Super DutyFront Left—
2003FordF-350 Super DutyFront Left—
2003MercuryMountaineerFront Left—
2002FordCrown VictoriaFront Leftw/Lock Symbol on Switch
2002FordExcursionFront Left—
2002FordExplorerFront Left—
2002FordExplorer Sport TracFront Right—
2002FordF-150Front Left—
2002FordF-250Front Left—
2002FordF-250 Super DutyFront Left—
2002FordF-350 Super DutyFront Left—
2002MercuryMountaineerFront Left—
2001FordExplorer Sport TracFront Right—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — PDS-1101L2Z14028AB1S9009PDL210SW6474