OE Quality
60-Day Returns

Standard Ignition US-177 Ignition Lock Cylinder and Switch
Reliable Ignition Lock Cylinder and Switch for Mercury Tracer
The Standard Ignition US-177 ignition lock cylinder and switch is designed specifically for Mercury Tracer vehicles. This coded ignition component ensures secure and precise operation of your vehicle's ignition system, providing a direct replacement for worn or damaged parts.
- Coded ignition lock cylinder for enhanced security
- Includes 2 keys, screws, and mounting bracket for easy installation
- Compatible with both male and female connectors and terminals
- Features 4 connectors and 11 blade-type terminals
- Mounts directly to the steering column for proper fitment
Product Details and Specifications
The Standard Ignition US-177 ignition lock cylinder and switch is engineered to meet the exact specifications required for Mercury Tracer models. This part includes two keys, mounting screws, and a bracket to facilitate a secure installation on the steering column. The unit is coded to match your vehicle’s ignition system, ensuring proper communication with the vehicle’s electrical components. It features four connectors with both male and female genders, and eleven blade-type terminals, providing reliable electrical connections. Although hardware and instructions are not included, the included mounting bracket and keys support a straightforward replacement process.
Compatible Vehicles and Applications
This ignition lock cylinder and switch is compatible with Mercury Tracer models, making it a suitable replacement part for ignition system repairs or upgrades. It is designed to address common ignition-related issues such as:
- Difficulty turning the ignition key
- Ignition key not turning or sticking
- Failure to start the vehicle due to ignition switch faults
- Worn or damaged ignition lock cylinder
- Security concerns related to ignition key coding
Installation Notes and Tips
Installation of the Standard Ignition US-177 requires removal of the steering column cover to access the ignition lock cylinder. The included mounting bracket and screws should be used to secure the unit firmly in place. Since hardware and instructions are not provided, it is recommended to consult a professional mechanic or refer to a vehicle-specific repair manual for detailed installation guidance. Ensure the ignition switch connectors and terminals are properly aligned and connected to avoid electrical issues.
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The US-177 ignition lock cylinder and switch undergoes quality checks to ensure durability and reliable performance. While specific warranty details are not provided here, Standard Ignition typically offers limited warranties on their components. For exact warranty terms, please refer to the product packaging or contact the manufacturer directly.
| Brand | Standard Ignition |
| Part Number | US-177 |
| Coding | Coded |
| Connector Gender | Male; Female |
| Contents | Includes 2 Keys, Screws & Bracket |
| Hardware Included | No |
| Instructions Included | No |
| Keys Included | Yes |
| Mounting Bracket(s) Included | Yes |
| Mounting Location | Column |
| Terminal Gender | Male; Female |
| Terminal Type | Blade |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1989 | Mercury | Tracer | N/A | |
| 1988 | Mercury | Tracer | N/A | |
| 1987 | Mercury | Tracer | 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.