HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-353 Neutral Safety Switch
Part #: NS-353

Standard Ignition NS-353 Neutral Safety Switch

⚙️ 2 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, RX-8
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Reliable Neutral Safety Switch for Mazda RX-8

The Standard Ignition NS-353 Neutral Safety Switch is designed specifically for Mazda RX-8 models, ensuring proper electrical function and safety. This switch features a durable plastic construction with a black face and is engineered to meet OEM specifications for seamless integration.

  • Compatible with Mazda RX-8 vehicles
  • 12-volt electrical system support
  • 9 male blade terminals for secure connections
  • Bolt mount attachment method for stable installation
  • Single female square connector for easy wiring
  • Compact size: 4.25 inches (107.95 mm) length
  • Plastic finish and material for corrosion resistance

Product Details and Specifications

The NS-353 Neutral Safety Switch by Standard Ignition is constructed from durable plastic with a black face color, designed to withstand the rigors of automotive electrical systems. It features nine male blade terminals and one female square connector, facilitating reliable electrical connections within the Mazda RX-8's neutral safety circuit. The bolt mount attachment method ensures a secure fit, maintaining proper alignment and function. Measuring 4.25 inches in length, this switch fits precisely in the designated mounting location without modification.

Purpose and Common Applications

This neutral safety switch is essential for preventing the engine from starting unless the transmission is in neutral or park, enhancing vehicle safety and preventing accidental starts. It is commonly used to address issues such as:

  • Engine not starting due to faulty neutral safety switch
  • Intermittent starting problems related to electrical connection failures
  • Transmission safety circuit malfunctions
  • Dashboard warning lights related to neutral safety switch faults
  • Ensuring compliance with vehicle safety standards

Installation Notes and Tips

Installation of the Standard Ignition NS-353 requires removal of the old neutral safety switch and mounting the new unit using the bolt mount method. Ensure all electrical connections are clean and secure, matching the nine male blade terminals to the corresponding wiring harness. The single female square connector should be properly seated to avoid loose connections. Note that mounting hardware and gaskets are not included, so retain original components or source replacements as needed.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance for your Mazda RX-8. While mounting hardware and gaskets are not included, the NS-353 switch is built with quality plastic materials and precise terminal configurations to ensure durability and consistent operation. Please refer to Standard Ignition's warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberNS-353
ColorBlack
Connector GenderFemale
FinishPlastic
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
2005MazdaRX-8N/A
2004MazdaRX-8N/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:

18-09931S799353-11820BW0119444NS38093NS6875SW5519

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.