Standard Ignition US-731 Ignition Lock Cylinder and Switch

Brand Standard Ignition US-731
Coding Coded
Connector Gender Male
Instructions Included No
Keys Included Yes
Mounting Bracket(s) Included Yes
Mounting Location Column
Terminal Gender Female
Terminal Type Blade
Fits Mazda · 4 vehicles

Coded design. Provides the correct ignition lock cylinder and switch function.

Keys included. Comes with two keys for added convenience.

Mounting bracket included. Helps simplify installation and secure fitment.

Cross-references Standard Ignition US-731, BC1E76290 and CS1091 for the same application. See all 5.

$274.60Free shipping
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Ignition Lock Cylinder and Switch for Mazda Protege

Standard Ignition US-731 is a coded ignition lock cylinder and switch assembly for column-mounted applications. It is built for 1995-1998 Mazda Protege models and includes the key and mounting bracket(s) needed for the listed application.

Key Features

  • Fits 1995-1998 Mazda Protege, column
  • Coded ignition lock cylinder and switch assembly
  • Male connector with 3 connectors
  • Female blade terminals, 8 terminal positions
  • Mounting bracket(s) included
  • Keys included; 2 keys supplied

Product Details

Standard Ignition US-731 is an ignition lock cylinder and switch designed for column mounting in the Mazda Protege. The coded design supports proper key matching for the listed vehicle application, while the male connector layout and 8 female blade terminals match the electrical interface used in this setup. If you are replacing a worn or damaged ignition switch assembly on a 1995-1998 Mazda Protege, US-731 provides the core components needed for a direct-service replacement.

This part cross-references BC1E76290 and CS1091 for the same application. Standard Ignition US-731 is also referenced by part number US-731 for catalog lookup and fitment verification.

Common Problems This Part Can Address

  • Key will not turn or the ignition cylinder binds
  • Intermittent or failed ignition switch operation
  • Worn cylinder components causing poor key engagement
  • Electrical contact issues at the ignition switch
  • Damaged column-mounted ignition assembly

Installation Notes

Verify column mounting, connector count, terminal style, and vehicle year before installation. This unit is coded and includes keys, so key matching should be confirmed during replacement. Instructions are not included, so compare the original assembly and connector layout on the vehicle before removal.

Quality Assurance

Standard Ignition supplies replacement ignition components for service applications, and US-731 is built to match the listed fitment and connection requirements for 1995-1998 Mazda Protege models.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
1998MazdaProtegeAutomaticN/A
1997MazdaProtegeAutomaticN/A
1996MazdaProtegeAutomaticN/A
1995MazdaProtegeAutomaticN/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-731BC1E76290CS1091KS7091LA10274