OE Quality
60-Day Returns

Standard Ignition US-731 Ignition Lock Cylinder and Switch
Reliable Ignition Lock Cylinder and Switch for Mazda Protege
The Standard Ignition US-731 ignition lock cylinder and switch is designed specifically for Mazda Protege models. This coded ignition switch ensures secure vehicle operation and comes complete with keys and mounting hardware for a straightforward replacement.
- Coded ignition lock cylinder for enhanced security
- Includes 2 keys for convenience and backup
- Mounting bracket(s) included for easy installation
- Connector with 3 male terminals and 8 female blade terminals
- Designed for column mounting location
Product Details and Specifications
The Standard Ignition US-731 ignition lock cylinder and switch features a coded design to match your Mazda Protege’s factory security system. It includes two keys, allowing for immediate use and a spare. The part is equipped with a male connector featuring three terminals and eight female blade terminals, ensuring proper electrical connections. This ignition switch mounts directly to the steering column, maintaining the original equipment fit and function. The included mounting bracket(s) facilitate secure and precise installation without additional hardware.
Compatible Vehicles and Applications
This ignition lock cylinder and switch is compatible with Mazda Protege models requiring a coded ignition switch replacement. It is ideal for addressing issues related to ignition key recognition, switch failure, or worn lock cylinders.
- Resolves ignition key not turning or sticking problems
- Fixes electrical issues related to ignition switch malfunction
- Replaces worn or damaged ignition lock cylinders
- Restores proper steering column ignition operation
Installation Notes and Tips
Installation of the Standard Ignition US-731 should be performed with the vehicle’s battery disconnected to prevent electrical shorts. The included mounting bracket(s) simplify alignment and secure attachment to the steering column. Since instructions are not included, referring to a vehicle-specific repair manual or professional guidance is recommended to ensure proper coding and electrical connections.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The US-731 ignition lock cylinder and switch undergoes quality checks to ensure reliable performance. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Standard Ignition |
| Part Number | 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 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 1998 | Mazda | Protege | Automatic | N/A | |
| 1997 | Mazda | Protege | Automatic | N/A | |
| 1996 | Mazda | Protege | Automatic | N/A | |
| 1995 | Mazda | Protege | Automatic | N/A |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.