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Standard Ignition US-819 Ignition Switch
| Brand | Standard Ignition US-819 |
|---|---|
| Attachment Method | Snap Fit |
| Color | Black, White |
| Connector Gender | Female |
| Connector Shape | Square |
| Finish | Plastic |
| Mounting Location | Column |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Fits | Mazda · 21 vehicles |
Snap-fit design. Installs securely with a simple snap-fit attachment method.
Single connector. Features one square female connector for a clean connection.
Blade terminals. Uses 8 male blade terminals for reliable electrical contact.
Cross-references Standard Ignition US-819, BP4K66151 and CS1179 for the same application. See all 5.
Ignition Switch for Mazda 3 and Mazda 5
Standard Ignition US-819 is a column-mounted ignition switch built with a black and white plastic finish, a square female connector, and blade-style terminals for a direct electrical interface. It is a fitment-based replacement for select Mazda 3, Mazda 3 Sport, and Mazda 5 applications across multiple model years.
Key Features
- Column-mounted ignition switch for vehicle starting and accessory circuit control
- Snap-fit attachment method for secure installation at the steering column
- 1 square female connector with 8 male blade terminals
- Black and white plastic construction
- Direct replacement part number: US-819
Detailed Description
Standard Ignition US-819 is an ignition switch designed for Mazda vehicles that use a column-mounted switch assembly. The connector layout, terminal count, and blade terminal design support a straightforward electrical match for the specified applications. This part is listed for 2004-2013 Mazda 3, 2012-2013 Mazda 3 Sport, and 2006-2010 and 2012-2015 Mazda 5, making it a practical choice when replacing a worn or electrically inconsistent ignition switch. This part number, US-819, is also referenced under BP4K66151, CS1179, KS7179, and LS1420 for the same application.
What It Helps Fix
- Intermittent no-start or crank-no-start conditions caused by switch wear
- Accessory power loss at the ignition switch position
- Key position issues such as inconsistent ignition response
- Electrical contact problems at the steering column switch assembly
- Starting circuit faults traced to the ignition switch
Installation Notes and Tips
Fits 2004-2013 Mazda 3, N/A. Fits 2012-2013 Mazda 3 Sport, N/A. Fits 2006-2010 Mazda 5, N/A. Fits 2012-2015 Mazda 5, N/A. Confirm the connector shape, terminal count, and column mounting location before installation. Compare the original switch to US-819 to verify the snap-fit attachment and electrical terminal layout match the vehicle harness.
Quality Assurance
Standard Ignition supplies replacement ignition components for service applications, and US-819 is built to match the listed connector and terminal configuration for the specified Mazda fitments.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2015 | Mazda | 5 | N/A | — |
| 2014 | Mazda | 5 | N/A | — |
| 2013 | Mazda | 3 | N/A | — |
| 2013 | Mazda | 3 Sport | N/A | — |
| 2013 | Mazda | 5 | N/A | — |
| 2012 | Mazda | 3 | N/A | — |
| 2012 | Mazda | 3 Sport | N/A | — |
| 2012 | Mazda | 5 | N/A | — |
| 2011 | Mazda | 3 | N/A | — |
| 2010 | Mazda | 3 | N/A | — |
| 2010 | Mazda | 5 | N/A | — |
| 2009 | Mazda | 3 | N/A | — |
| 2009 | Mazda | 5 | N/A | — |
| 2008 | Mazda | 3 | N/A | — |
| 2008 | Mazda | 5 | N/A | — |
| 2007 | Mazda | 3 | N/A | — |
| 2007 | Mazda | 5 | N/A | — |
| 2006 | Mazda | 3 | N/A | — |
| 2006 | Mazda | 5 | N/A | — |
| 2005 | Mazda | 3 | N/A | — |
| 2004 | Mazda | 3 | N/A | — |
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