OE Quality
60-Day Returns

Standard Ignition US-461 Ignition Switch
Overview of Standard Ignition US-461 Ignition Switch
The Standard Ignition US-461 ignition switch is designed specifically for select INFINITI models, including the G35, M45, and Q45. This bolt-on ignition switch features a reliable round female connector and is engineered for column mounting, ensuring compatibility and ease of installation.
- Bolt-on attachment method for secure mounting
- Single round female connector for straightforward wiring
- Five male blade terminals for reliable electrical connections
- Designed for column mounting in INFINITI G35, M45, and Q45 models
Detailed Product Description
The Standard Ignition US-461 ignition switch is a critical component in the ignition system of INFINITI vehicles such as the G35, M45, and Q45. It features a bolt-on attachment method that allows for a secure and stable installation on the steering column. The switch includes one round female connector, which simplifies the connection process, and five male blade terminals that provide durable and consistent electrical contact. This ignition switch is engineered to meet the specific electrical and mechanical requirements of the column-mounted ignition system in these INFINITI models, ensuring proper function and vehicle start-up reliability.
Common Applications and Issues Addressed
- Resolves ignition switch failure causing intermittent or no start conditions
- Replaces worn or damaged ignition switches affecting electrical connectivity
- Fixes issues with key turning difficulty or ignition lock cylinder problems
- Addresses electrical faults related to blade terminal corrosion or damage
- Restores proper ignition system operation in INFINITI G35, M45, and Q45 vehicles
Installation Notes and Tips
- Ensure the vehicle battery is disconnected before installation to prevent electrical shorts
- Verify the bolt-on mounting points align correctly with the steering column
- Confirm the round female connector and blade terminals match the vehicle’s wiring harness
- Use appropriate tools to avoid damaging terminals during connection
- Test ignition switch operation before reassembling the steering column covers
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The US-461 ignition switch undergoes rigorous quality control to ensure durability and reliable performance in INFINITI G35, M45, and Q45 vehicles. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship to provide confidence in the product’s longevity and reliability.
| Brand | Standard Ignition |
| Part Number | US-461 |
| Attachment Method | Bolt On |
| Connector Gender | Female |
| Connector Shape | Round |
| Mounting Location | Column |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | INFINITI | G35 | N/A | |
| 2004 | INFINITI | M45 | N/A | |
| 2004 | INFINITI | Q45 | N/A | |
| 2003 | INFINITI | G35 | N/A | |
| 2003 | INFINITI | M45 | N/A | |
| 2003 | INFINITI | Q45 | N/A | |
| 2002 | INFINITI | Q45 | N/A | |
| 2001 | INFINITI | Q45 | N/A | |
| 2000 | INFINITI | Q45 | N/A | |
| 1999 | INFINITI | Q45 | N/A | |
| 1998 | INFINITI | Q45 | N/A | |
| 1997 | INFINITI | Q45 | 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.