OE Quality
60-Day Returns

Standard Ignition US-668 Ignition Switch
Reliable Ignition Switch for Nissan Quest Vehicles
The Standard Ignition US-668 ignition switch and lock assembly is designed specifically for Nissan Quest models. This coded ignition switch ensures secure and precise operation, featuring both male and female connectors for versatile installation.
- Coded ignition switch for enhanced security
- Includes ignition switch and lock assembly with 2 keys
- Compatible with Nissan Quest column mounting location
- Equipped with 3 connectors and 8 blade-type terminals (male and female)
- Mounting bracket included for straightforward installation
Product Details and Specifications
The Standard Ignition US-668 ignition switch is engineered to meet the specific requirements of Nissan Quest vehicles. This assembly comes complete with two keys and a mounting bracket, allowing for a direct replacement of the factory ignition switch. The switch features a coded design to prevent unauthorized use and includes three connectors with both male and female terminals, ensuring compatibility with the vehicle’s wiring harness. The blade-type terminals provide reliable electrical connections, and the column mounting location matches the original equipment setup.
Applications and Common Issues Addressed
- Replacement for faulty or worn ignition switches in Nissan Quest
- Resolves issues with ignition key not turning or sticking
- Fixes intermittent electrical connection problems related to ignition
- Addresses security concerns with coded key ignition system
- Restores proper function to ignition lock assembly
Installation Notes and Tips
Installation of the Standard Ignition US-668 ignition switch requires removal of the steering column cover to access the original switch. The included mounting bracket facilitates secure attachment in the column location. Ensure the connectors are properly matched to the vehicle’s wiring harness, noting the male and female connector genders. No additional hardware or instructions are included, so referring to a Nissan Quest service manual is recommended for detailed installation guidance.
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The US-668 ignition switch assembly undergoes quality checks to ensure reliable performance. While hardware and instructions are not included, the product is backed by Standard Ignition’s warranty coverage, providing assurance of durability and proper operation when installed correctly.
| Brand | Standard Ignition |
| Part Number | US-668 |
| Coding | Coded |
| Connector Gender | Male; Female |
| Contents | Ignition Switch & Lock Assembly w/ Keys |
| 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 10 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2002 | Nissan | Quest | N/A | ||||
| 2001 | Nissan | Quest | N/A | ||||
| 2000 | Nissan | Quest | N/A | ||||
| 1999 | Nissan | Quest | N/A | ||||
| 1998 | Nissan | Quest | Automatic | 3.0L | V6 | N/A | |
| 1998 | Nissan | Quest | 3.0L | V6 | N/A | ||
| 1997 | Nissan | Quest | Automatic | 3.0L | V6 | N/A | |
| 1997 | Nissan | Quest | 3.0L | V6 | N/A | ||
| 1996 | Nissan | Quest | Automatic | 3.0L | V6 | N/A | |
| 1996 | Nissan | Quest | 3.0L | V6 | 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.