Standard Ignition US-456L Ignition Lock Cylinder

Brand Standard Ignition US-456L
Coding Coded
Instructions Included Yes
Keys Included Yes
Mounting Bracket(s) Included No
Mounting Location Column
Fits Mazda · 5 vehicles

Coded lock cylinder. Includes keys for a ready-to-match replacement.

Instructions included. Helps simplify installation and setup.

Ignition lock cylinder. A direct replacement for the primary ignition system.

Cross-references Standard Ignition US-456L, BJYE76140 and CS928L for the same application. See all 5.

$95.23Free shipping
In stock · usually ships same day before 1pm CST
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Ignition Lock Cylinder for Mazda Protege

Restore proper key operation with this coded ignition lock cylinder from Standard Ignition. The US-456L is built for column mounting and includes instructions plus the keys needed for a direct replacement on select Mazda Protege models.

Key Features

  • Coded ignition lock cylinder for controlled key matching
  • Mounts in the steering column
  • Includes instructions for installation reference
  • Keys included for immediate use
  • Fits 1999-2003 Mazda Protege applications
  • Standard Ignition US-456L replacement part

Product Details

The Standard Ignition US-456L ignition lock cylinder is a direct-fit replacement for 1999-2003 Mazda Protege vehicles with column-mounted ignition systems. It is coded for key matching and supplied with keys, making it a practical solution when the original cylinder is worn, sticking, or no longer turning smoothly. This part cross-references BJYE76140 and CS928L for the same application. Use US-456L when you need a replacement ignition lock cylinder for Mazda Protege models and want a part that follows the original column-mount layout.

Common Problems It Can Help Solve

  • Key will not turn or turns inconsistently in the ignition
  • Worn cylinder tumblers causing poor key engagement
  • Broken or damaged ignition lock cylinder components
  • Loss of proper ignition key operation on the steering column
  • Need for a replacement ignition lock cylinder on a Mazda Protege

Installation Notes and Tips

Fits 1999-2003 Mazda Protege, column. Confirm the vehicle’s ignition layout and compare the original cylinder before installation. Follow the included instructions during replacement, and verify smooth key rotation and proper lock function after installation. The mounting bracket is not included.

Quality Assurance

Standard Ignition supplies this ignition lock cylinder as a coded replacement part for consistent fit and function in the listed Mazda Protege applications. Part number US-456L should be matched to the vehicle’s original ignition configuration before installation.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2003MazdaProtegeManualN/A
2002MazdaProtegeManualN/A
2001MazdaProtegeManualN/A
2000MazdaProtegeManualN/A
1999MazdaProtegeManualN/A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — US-456LBJYE76140CS928LKS6928LLC65020