HomeStandard Ignition NS-374 Neutral Safety Switch
Part #: NS-374

Standard Ignition NS-374 Neutral Safety Switch

6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Honda, Insight
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Overview of Standard Ignition NS-374 Neutral Safety Switch

The Standard Ignition NS-374 Neutral Safety Switch is designed specifically for Honda Insight models, ensuring reliable electrical performance and safety. This switch plays a critical role in preventing the engine from starting unless the transmission is in neutral or park.

  • Compatible with Honda Insight vehicles
  • 12-volt electrical system support
  • Six male blade terminals for secure connections
  • Bolt mount attachment method for stable installation
  • Rectangular female connector with one connector quantity
  • Durable metal construction with aluminum and plastic finish
  • Wiring harness length of approximately 5.875 inches (149.225 mm)
  • Compact size with a length of 3.25 inches (82.55 mm)

Detailed Product Description

The Standard Ignition NS-374 neutral safety switch is engineered to meet the specific electrical and mechanical requirements of the Honda Insight. Featuring six male blade terminals and a single rectangular female connector, this switch ensures proper electrical connectivity within the vehicle's starting system. The bolt mount attachment method provides a secure and stable fit, minimizing the risk of disconnection or failure during operation. Constructed from metal with an aluminum and plastic finish, the switch offers durability and resistance to wear. Its compact dimensions allow for easy integration into the vehicle's existing electrical system without requiring modifications.

Common Applications and Problem Resolution

  • Prevents engine from starting in gear, enhancing safety
  • Resolves issues with the vehicle not starting or intermittent starting problems
  • Eliminates electrical faults related to faulty neutral safety switches
  • Addresses transmission range sensor malfunctions in Honda Insight
  • Helps restore proper starting circuit function after switch failure

Installation Notes and Tips

  • Ensure the vehicle is in park or neutral before installation
  • Use appropriate tools for bolt mount attachment to avoid damage
  • Verify connector orientation matches the rectangular female connector on the wiring harness
  • Check all six blade terminals for secure and corrosion-free connections
  • Do not reuse mounting hardware; new hardware is recommended for secure fitment

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance for Honda Insight vehicles. The NS-374 neutral safety switch undergoes rigorous quality control to ensure durability and proper function. While mounting hardware and gaskets are not included, the product is backed by Standard Ignition's warranty coverage, which protects against defects in material and workmanship under normal use.

BrandStandard Ignition
Part NumberNS-374
ColorBlack, Silver
Connector GenderFemale
FinishAluminum, Plastic
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 6 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2006HondaInsight1.0LL3N/A
2005HondaInsight1.0LL3N/A
2004HondaInsightAutomatic CVTN/A
2003HondaInsightAutomatic CVTN/A
2002HondaInsightAutomatic CVTN/A
2001HondaInsightAutomatic CVTN/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:

18-10101S581328900PHT00353-31816JA4445NS38114NS6896

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