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Standard Ignition US-343 Ignition Switch
Reliable Ignition Switch for Chevrolet, GMC, Isuzu, and Oldsmobile
The Standard Ignition US-343 ignition switch is designed to provide dependable performance for select Chevrolet, GMC, Isuzu, and Oldsmobile vehicles. Engineered for column mounting, this gray plastic ignition switch offers a secure snap fit attachment and a durable blade terminal design.
Key Features of Standard Ignition US-343 Ignition Switch
- Attachment Method: Snap fit for easy installation
- Color: Gray plastic finish for corrosion resistance
- Connector: One male rectangular connector
- Terminals: 13 female blade terminals for reliable electrical connections
- Mounting Location: Designed specifically for column installation
Detailed Product Description
The Standard Ignition US-343 ignition switch is crafted to meet the electrical demands of vehicles such as the Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, and Oldsmobile S10 and Sonoma models. Its snap fit attachment method ensures a secure and straightforward installation on the steering column. The gray plastic finish provides durability and resistance to wear, while the single male rectangular connector and 13 female blade terminals facilitate consistent and stable electrical contact. This ignition switch is engineered to maintain proper ignition circuit function, supporting vehicle start-up and accessory power delivery.
Common Applications and Issues Addressed
- Replacement for faulty or worn ignition switches in Chevrolet Blazer and GMC Jimmy
- Resolves intermittent starting problems in Isuzu Hombre and Oldsmobile S10
- Fixes electrical connection failures related to ignition switch terminals
- Addresses ignition key sticking or failure to turn in column-mounted switches
- Restores proper accessory power operation in compatible vehicles
Installation Notes and Tips
- Ensure the ignition switch is compatible with your vehicle make and model before installation
- Disconnect the battery to prevent electrical shorts during replacement
- Use the snap fit attachment method to secure the switch firmly to the steering column
- Verify all 13 blade terminals are properly connected to avoid electrical issues
- Test ignition switch function before reassembling the steering column components
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. The US-343 ignition switch undergoes rigorous quality control to maintain consistent electrical and mechanical standards. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.
| Brand | Standard Ignition |
| Part Number | US-343 |
| Attachment Method | Snap Fit |
| Color | Gray |
| Connector Gender | Male |
| Connector Shape | Rectangular |
| Finish | Plastic |
| Mounting Location | Column |
| Terminal Gender | Female |
| Terminal Type | Blade |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Chevrolet | Blazer | N/A | Exc. Right Hand Drive |
| 2005 | GMC | Jimmy | N/A | Left Hand Drive |
| 2004 | Chevrolet | Blazer | N/A | Exc. Right Hand Drive |
| 2004 | Chevrolet | S10 | N/A | |
| 2004 | GMC | Jimmy | N/A | Left Hand Drive |
| 2004 | GMC | Sonoma | N/A | Left Hand Drive |
| 2003 | Chevrolet | Blazer | N/A | Exc. Right Hand Drive |
| 2003 | Chevrolet | S10 | N/A | |
| 2003 | GMC | Jimmy | N/A | Left Hand Drive |
| 2003 | GMC | Sonoma | N/A | Left Hand Drive |
| 2002 | Chevrolet | Blazer | N/A | Exc. Right Hand Drive |
| 2002 | Chevrolet | S10 | N/A | Left Hand Drive |
| 2002 | GMC | Jimmy | N/A | Left Hand Drive |
| 2002 | GMC | Sonoma | N/A | Left Hand Drive |
| 2001 | Chevrolet | Blazer | N/A | Exc. Right Hand Drive |
| 2001 | Chevrolet | S10 | N/A | Left Hand Drive |
| 2001 | GMC | Jimmy | N/A | Left Hand Drive |
| 2001 | GMC | Sonoma | N/A | Left Hand Drive |
| 2001 | Oldsmobile | Bravada | N/A | |
| 2000 | Chevrolet | Blazer | N/A | Exc. Right Hand Drive |
| 2000 | Chevrolet | S10 | N/A | Left Hand Drive |
| 2000 | GMC | Jimmy | N/A | Left Hand Drive |
| 2000 | GMC | Sonoma | N/A | Left Hand Drive |
| 2000 | Isuzu | Hombre | N/A | |
| 2000 | Oldsmobile | Bravada | 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.