Standard Ignition NS-634 Neutral Safety Switch
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Standard Ignition

Standard Ignition NS-634 Neutral Safety Switch

Brand Standard Ignition NS-634
Connector Gender Female
Material Metal
Mounting Type Screw-in
Terminal Gender Male
Fits Hyundai · 5 vehicles

Screw-in design. Installs with a simple threaded attachment method.

Metal construction. Provides a durable housing for dependable electrical operation.

2-wire setup. Uses blade terminals and rectangular connectors for a clean connection.

Cross-references Standard Ignition NS-634, 9317023000 and CSW531 for the same application. See all 4.

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Neutral Safety Switch for Hyundai Accent

Standard Ignition NS-634 is a screw-in neutral safety switch for 2006-2010 Hyundai Accent applications. It uses a 12V electrical design with a 2-terminal blade layout and dual rectangular female connectors for a direct replacement-style fit.

Key Features

  • Fits 2006-2010 Hyundai Accent
  • Standard Ignition NS-634 neutral safety switch
  • Screw-in mounting type with screw-in attachment method
  • 12V electrical design
  • 2 terminals, blade type, male terminal gender
  • 2 rectangular female connectors
  • Metal construction with black and gray finish
  • 2 in. overall length with 3.125 in. wiring harness length

Detailed Description

The Standard Ignition NS-634 neutral safety switch is built for Hyundai Accent models from 2006 through 2010. This switch is used in the starting circuit to recognize the transmission position and allow starter engagement only when the vehicle is in the proper range. The screw-in design, 2-wire layout, and compact 50.8 mm body support a straightforward replacement for the original unit on the listed Hyundai Accent fitment.

This part cross-references CSW531 and NS7036 for the same application.

Common Issues It Can Address

  • No-crank condition when the shifter is in Park or Neutral
  • Intermittent starter engagement
  • Vehicle starting only in certain gear positions
  • Transmission range signal problems related to the neutral safety circuit
  • Fault codes or starting complaints tied to the park/neutral switch circuit

Installation Notes and Tips

Confirm the transmission is in Park and disconnect the battery before service. Match the screw-in mounting style, 2-terminal blade connection, and rectangular female connectors to the original switch before installation. Verify proper shifter adjustment and electrical connector seating after replacement to ensure correct starting operation on the Hyundai Accent.

Quality Assurance

Standard Ignition supplies this neutral safety switch as a replacement electrical component for the listed Hyundai Accent applications. The metal, plastic, and rubber construction supports dependable fitment in the starting circuit.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2010HyundaiAccentManualN/A—
2009HyundaiAccentManualN/A—
2008HyundaiAccentManualN/A—
2007HyundaiAccentManualN/A—
2006HyundaiAccentManualN/A—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — NS-6349317023000CSW531NS7036