HomeBody > DoorsDorman 940-400 Door Latch Assembly - Front Left
Part #: 940-400

Dorman 940-400 Door Latch Assembly - Front Left

Front Left
⚙️ 24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Explorer Sport Trac, Explorer Sport, Explorer, and Mountaineer
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Reliable Door Latch Assembly for Ford and Mercury Vehicles

The Dorman 940-400 door latch assembly is designed specifically for select Ford and Mercury models, including the Explorer, Explorer Sport, Explorer Sport Trac, and Mountaineer. This electric door latch assembly ensures secure door closure and reliable operation tailored to your vehicle's specifications.

  • Constructed with durable metal and plastic materials for long-lasting performance
  • Electric activation type compatible with 12V vehicle systems
  • Specific fit for Ford Explorer, Explorer Sport, Explorer Sport Trac, and Mercury Mountaineer
  • Bolt-on attachment method with 3 bolt holes for secure installation
  • Includes door latch assembly only; installation hardware and wiring harness not included

Detailed Product Description

The Dorman 940-400 door latch assembly combines metal and plastic housing materials to provide a balance of strength and durability. Designed for electric activation, this part operates on a 12-volt system and features a female terminal type for electrical connections. The bolt-on design with three bolt holes ensures a precise and secure fit, matching the original equipment specifications for Ford Explorer, Explorer Sport, Explorer Sport Trac, and Mercury Mountaineer models. This door latch assembly is a specific fit part, engineered to replace the factory component without modification.

Common Applications and Issues Addressed

  • Resolves door latch failure causing doors not to stay closed
  • Fixes electric door lock malfunction in compatible Ford and Mercury models
  • Replaces worn or damaged latch assemblies affecting door security
  • Addresses issues with electric activation of door locks
  • Restores proper door operation after impact or wear

Installation Notes and Tips

  • Installation requires removal of the interior door panel to access the latch assembly
  • Use appropriate tools to remove and reinstall the three mounting bolts securely
  • Verify electrical connections match the female terminal type; wiring harness not included
  • Test door latch operation electrically before reassembling the door panel
  • Consult vehicle service manual for detailed installation procedures specific to your model

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 940-400 door latch assembly undergoes quality checks to ensure reliable performance in Ford Explorer, Explorer Sport, Explorer Sport Trac, and Mercury Mountaineer vehicles. While installation hardware and wiring harness are not included, the part is designed for straightforward replacement. Please refer to Dorman's warranty policy for coverage details.

BrandDorman
Part Number940-400
Activation TypeElectric
Attachment MethodBolts
Attachment TypeBolt On
Electric/ManualElectric
Housing MaterialMetal; Plastic
Installation Hardware IncludedNo
MaterialMetal
MaterialPlastic
Package ContentsDoor Latch Assembly
Self LubricatingNo
Terminal TypeFemale
Universal Or Specific FitSpecific
Voltage12V
Wiring Harness IncludedNo

This part fits 24 vehicles. Search below:

YearMakeModelPositionNotes
2005FordExplorer Sport TracFront Left
2004FordExplorer Sport TracFront Left
2003FordExplorer SportFront Left
2003FordExplorer Sport TracFront Left
2002FordExplorer SportFront Left
2002FordExplorer Sport TracFront Left
2001FordExplorerFront Left
2001FordExplorer SportFront Left
2001FordExplorer Sport TracFront Left
2001MercuryMountaineerFront Left
2000FordExplorerFront Left
2000MercuryMountaineerFront Left
1999FordExplorerFront Left
1999MercuryMountaineerFront Left
1998FordExplorerFront Left
1998MercuryMountaineerFront Left
1997FordExplorerFront Left
1997MercuryMountaineerFront Left
1996FordExplorerFront Left
1995FordExplorerFront Left
1994FordExplorerFront Left
1993FordExplorerFront Left
1992FordExplorerFront Left
1991FordExplorerFront Left

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

3L5Z7821813AAAPDLA0186DLA1218DLA1942SK940400

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.