OE Quality
60-Day Returns

Standard Ignition NS-308 Neutral Safety Switch
Reliable Neutral Safety Switch for Acura and Honda Vehicles
The Standard Ignition NS-308 Neutral Safety Switch is designed to ensure safe engine starting by preventing the vehicle from starting in gear. Compatible with various Acura and Honda models, this switch offers precise activation and durable construction for dependable performance.
- Compatible with Acura and Honda models including Accord, Civic, CR-V, Crosstour, Element, Fit, ILX, RSX, and TSX
- Part number NS-308 for accurate identification and fitment
- Black face color with a rectangular female connector for secure electrical connection
- Ten male blade terminals for reliable wiring interface
- Durable cast iron and plastic finish with bolt mount attachment method
- Measures 4 inches (101.6 mm) in length for proper fit
- Mounting hardware and gaskets not included
Product Details and Specifications
The NS-308 neutral safety switch from Standard Ignition features a bolt mount design that ensures a secure and stable installation on compatible Acura and Honda vehicles. Its activation style is a switch mechanism that prevents the engine from starting unless the transmission is in neutral or park, enhancing vehicle safety. The switch includes a single rectangular female connector with ten male blade terminals, facilitating straightforward electrical connections without included wiring. Constructed from cast iron and plastic materials, the switch offers durability and resistance to wear. The black face color provides a clean, professional appearance that integrates seamlessly with the vehicle's electrical system.
Common Applications and Problem Resolution
- Prevents engine from starting in gear, avoiding accidental vehicle movement
- Resolves issues with engine not starting or intermittent starting problems
- Eliminates electrical faults related to faulty neutral safety switch connections
- Addresses transmission safety interlock malfunctions in Acura and Honda models
- Improves overall starting system reliability in vehicles like the Honda Accord and Acura TSX
Installation Notes and Tips
Installation requires removal of the old neutral safety switch and mounting the NS-308 using bolts (mounting hardware not included). Ensure the switch is aligned correctly to the transmission for proper activation. Verify all blade terminals are securely connected to the vehicle’s wiring harness via the rectangular female connector. It is recommended to consult the vehicle’s service manual for specific torque specifications and alignment procedures. No wiring or gaskets are included, so reuse existing components or source replacements as needed.
Quality Assurance and Warranty Information
Standard Ignition manufactures the NS-308 neutral safety switch to meet OEM standards for fit, form, and function. While mounting hardware and wiring are not included, the switch is built with durable materials such as cast iron and plastic to withstand typical automotive operating conditions. Please refer to Standard Ignition’s warranty policy for coverage details on this part number.
| Brand | Standard Ignition |
| Part Number | NS-308 |
| Color | Black |
| Connector Gender | Female |
| Finish | Cast Iron, Plastic |
| Terminal Gender | Male |
| Terminal Type | Blade Terminals |
This part fits 80 vehicles. Search below:
| Year | Make | Model | Submodel | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2015 | Acura | ILX | 2.0L | L4 | N/A | |||
| 2015 | Honda | Crosstour | 2.4L | L4 | N/A | |||
| 2014 | Acura | ILX | 2.0L | L4 | N/A | |||
| 2014 | Honda | Civic | 1.8L | L4 | N/A | |||
| 2014 | Honda | CR-V | N/A | |||||
| 2014 | Honda | Crosstour | 2.4L | L4 | N/A | |||
| 2013 | Acura | ILX | 2.0L | L4 | N/A | |||
| 2013 | Honda | Civic | 1.8L | L4 | N/A | |||
| 2013 | Honda | CR-V | N/A | |||||
| 2013 | Honda | Crosstour | 2.4L | L4 | N/A | |||
| 2012 | Honda | Accord | 2.4L | L4 | N/A | |||
| 2012 | Honda | Civic | 1.8L | L4 | N/A | |||
| 2012 | Honda | CR-V | N/A | |||||
| 2012 | Honda | Crosstour | 2.4L | L4 | N/A | |||
| 2011 | Honda | Accord | 2.4L | L4 | N/A | |||
| 2011 | Honda | Civic | LX | 1.8L | L4 | N/A | ||
| 2011 | Honda | Civic | GX | N/A | ||||
| 2011 | Honda | Civic | EX | 1.8L | L4 | N/A | ||
| 2011 | Honda | Civic | DX | N/A | ||||
| 2011 | Honda | Civic | EX-L | 1.8L | L4 | N/A | ||
| 2011 | Honda | CR-V | SE | N/A | ||||
| 2011 | Honda | CR-V | EX-L | 2.4L | L4 | N/A | ||
| 2011 | Honda | CR-V | EX | 2.4L | L4 | N/A | ||
| 2011 | Honda | CR-V | LX | 2.4L | L4 | N/A | ||
| 2011 | Honda | Element | EX | N/A | ||||
| 2011 | Honda | Element | LX | N/A | ||||
| 2010 | Honda | Accord | 2.4L | L4 | N/A | |||
| 2010 | Honda | Civic | LX | N/A | ||||
| 2010 | Honda | Civic | GX | N/A | ||||
| 2010 | Honda | Civic | DX | N/A | ||||
| 2010 | Honda | Civic | EX | N/A | ||||
| 2010 | Honda | CR-V | EX | 2.4L | L4 | N/A | ||
| 2010 | Honda | CR-V | LX | 2.4L | L4 | N/A | ||
| 2010 | Honda | CR-V | EX-L | 2.4L | L4 | N/A | ||
| 2010 | Honda | Element | SC | N/A | ||||
| 2010 | Honda | Element | LX | N/A | ||||
| 2010 | Honda | Element | EX | N/A | ||||
| 2009 | Honda | Accord | 2.4L | L4 | N/A | |||
| 2009 | Honda | Civic | 1.8L | L4 | N/A | |||
| 2009 | Honda | CR-V | 2.4L | L4 | N/A | |||
| 2009 | Honda | CR-V | EX-L | 2.4L | L4 | N/A | ||
| 2009 | Honda | CR-V | LX | 2.4L | L4 | N/A | ||
| 2009 | Honda | CR-V | EX | 2.4L | L4 | N/A | ||
| 2009 | Honda | Element | N/A | |||||
| 2008 | Acura | TSX | Automatic | N/A | ||||
| 2008 | Honda | Accord | 2.4L | L4 | N/A | |||
| 2008 | Honda | Civic | 1.8L | L4 | N/A | |||
| 2008 | Honda | CR-V | EX-L | 2.4L | L4 | N/A | ||
| 2008 | Honda | CR-V | LX | 2.4L | L4 | N/A | ||
| 2008 | Honda | CR-V | EX | 2.4L | L4 | N/A | ||
| 2008 | Honda | Element | N/A | |||||
| 2008 | Honda | Fit | N/A | |||||
| 2007 | Acura | TSX | Automatic | N/A | ||||
| 2007 | Honda | Accord | 2.4L | L4 | N/A | |||
| 2007 | Honda | Civic | 1.8L | L4 | N/A | |||
| 2007 | Honda | CR-V | N/A | |||||
| 2007 | Honda | Element | N/A | |||||
| 2007 | Honda | Fit | N/A | |||||
| 2006 | Acura | RSX | Automatic | N/A | ||||
| 2006 | Acura | TSX | Automatic | N/A | ||||
| 2006 | Honda | Accord | 2.4L | L4 | N/A | |||
| 2006 | Honda | Civic | 1.8L | L4 | N/A | |||
| 2006 | Honda | CR-V | 2.4L | L4 | N/A | |||
| 2006 | Honda | Element | N/A | |||||
| 2005 | Acura | RSX | N/A | |||||
| 2005 | Acura | TSX | Automatic | N/A | ||||
| 2005 | Honda | Accord | 2.4L | L4 | N/A | |||
| 2005 | Honda | CR-V | 2.4L | L4 | N/A | |||
| 2005 | Honda | Element | N/A | |||||
| 2004 | Acura | RSX | N/A | |||||
| 2004 | Acura | TSX | Automatic | N/A | ||||
| 2004 | Honda | Accord | 2.4L | L4 | N/A | |||
| 2004 | Honda | CR-V | Automatic | N/A | ||||
| 2004 | Honda | Element | N/A | |||||
| 2003 | Acura | RSX | N/A | |||||
| 2003 | Honda | Accord | 2.4L | L4 | N/A | |||
| 2003 | Honda | CR-V | Automatic | N/A | ||||
| 2003 | Honda | Element | N/A | |||||
| 2002 | Acura | RSX | N/A | |||||
| 2002 | Honda | CR-V | 2.4L | L4 | 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.