Standard Ignition US-173L Ignition Lock Cylinder

Brand Standard Ignition US-173L
Coding Coded
Instructions Included Yes
Keys Included Yes
Mounting Bracket(s) Included No
Mounting Location Column
Fits Ford and Mercury · 12 vehicles

OE-matched fit. Precision installation for a direct replacement feel.

Solid brass tumblers. Chrome-plated brass keys and die-cast zinc cores for smooth operation.

Coded lock cylinder. Multiple randomly assigned key codes help improve security.

Cross-references Dorman - OE Solutions 989-008, 4H1134 and 53-2018 for the same application. See all 11.

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Ignition Lock Cylinder for Ford and Mercury

The Standard Ignition US-173L ignition lock cylinder is a coded replacement built for precise installation and dependable key operation. It is designed for select Ford Contour and Mercury Mystique applications, including immobilizer-equipped models, with construction details that support consistent fit and function.

Key Features

  • Coded ignition lock cylinder for direct replacement use
  • Solid brass tumblers and chrome plated brass keys
  • Die-cast zinc lock core for durable operation
  • Instructions included for installation reference
  • Mounts at the steering column
  • Compatible With 1995-2000 Ford Contour and 1995-2000 Mercury Mystique applications

Detailed Description

Standard Ignition US-173L is engineered as an OE-style ignition lock cylinder for vehicles where the original lock has worn, stuck, or no longer turns smoothly. The coded design helps match the lock to the vehicle application, while the brass tumbler and key construction supports accurate key engagement. This part number is a practical choice for Ford Contour and Mercury Mystique owners needing a column-mounted ignition lock cylinder, including 1998-2000 models with immobilizer systems.

This part cross-references Dorman OE Solutions 989-008 for the same application.

Common Problems It Can Solve

  • Key will not turn in the ignition
  • Worn or sticking ignition lock cylinder
  • Broken or inconsistent key engagement
  • Ignition cylinder replacement after lock core wear
  • Restoration of proper column ignition operation on Ford Contour and Mercury Mystique models

Installation Notes and Tips

Fits 1995-1997 Ford Contour, column. Fits 1998-2000 Ford Contour, column, w/ Immobilizer. Fits 1995-1997 Mercury Mystique, column. Fits 1998-2000 Mercury Mystique, column, w/ Immobilizer. Verify the vehicle’s ignition and immobilizer configuration before installation. Instructions are included, and the cylinder mounts at the column location. Confirm key code and lock application match the vehicle before final assembly.

Quality Assurance

Standard Ignition builds this ignition lock cylinder with solid brass tumblers, chrome plated brass keys, and a die-cast zinc lock core to support reliable operation. The design reflects the brand’s focus on OE-style replacement parts for ignition system repair.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2000FordContourN/Aw/ Immobilizer
2000MercuryMystiqueN/Aw/ Immobilizer
1999FordContourN/Aw/ Immobilizer
1999MercuryMystiqueN/Aw/ Immobilizer
1998FordContourN/Aw/ Immobilizer
1998MercuryMystiqueN/Aw/ Immobilizer
1997FordContourN/A
1997MercuryMystiqueN/A
1996FordContourN/A
1996MercuryMystiqueN/A
1995FordContourN/A
1995MercuryMystiqueN/A
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 989-0084H113453-201889058041CS408LF5RY11582AKS6462LC13400LS1160CSW5032UL8A