HomeStandard Ignition NS-576 Neutral Safety Switch
Part #: NS-576

Standard Ignition NS-576 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: INFINITI, Q45
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Reliable Neutral Safety Switch for Infiniti Q45

The Standard Ignition NS-576 Neutral Safety Switch is designed specifically for Infiniti Q45 models, ensuring precise electrical performance and safety. This switch features a durable construction with a bolt mount attachment method for secure installation.

  • Compatible with Infiniti Q45 vehicles
  • Part number NS-576 for easy identification
  • 9 male blade terminals and 2 female rectangular connectors
  • Constructed from plastic and metal with aluminum and plastic finish
  • Measures 6.5 inches (165.1 mm) in length
  • Operates on 12-volt electrical systems
  • Bolt mount attachment for stable installation

Product Details and Specifications

The Standard Ignition NS-576 Neutral Safety Switch is engineered with 9 male blade terminals and 2 female rectangular connectors, providing reliable electrical connections within the vehicle’s safety system. Its black and silver color finish combines aluminum and plastic materials to offer durability and resistance to wear. The switch measures 6.5 inches in length, making it compatible with the designated mounting points on Infiniti Q45 models. Designed for a 12-volt system, this switch ensures proper operation of the neutral safety function, preventing the engine from starting unless the transmission is in neutral or park.

Common Applications and Problem Resolution

  • Prevents engine from starting in gear, enhancing vehicle safety
  • Resolves issues with engine cranking failure due to faulty neutral safety switch
  • Eliminates intermittent starting problems related to electrical connection faults
  • Addresses transmission shift interlock malfunctions
  • Restores proper signal transmission between ignition and transmission systems

Installation Notes and Tips

Installation of the Standard Ignition NS-576 requires removal of the old neutral safety switch and mounting the new switch using the bolt mount method. Ensure all 9 blade terminals and 2 connectors are properly aligned and securely connected to avoid electrical faults. Since mounting hardware is not included, use existing bolts or appropriate replacements. Verify the switch’s position to maintain correct transmission safety operation before finalizing installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The NS-576 Neutral Safety Switch undergoes rigorous quality control testing to maintain consistent electrical and mechanical function. While mounting hardware and gaskets are not included, the product is backed by Standard Ignition’s warranty coverage for defects in material and workmanship, providing confidence in your purchase.

BrandStandard Ignition
Part NumberNS-576
ColorBlack, Silver
Connector GenderFemale; Female
FinishAluminum, Plastic
Terminal GenderMale
Terminal TypeBlade

This part fits 6 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
1995INFINITIQ45AutomaticN/A
1994INFINITIQ45AutomaticN/A
1993INFINITIQ45AutomaticN/A
1992INFINITIQ45AutomaticN/A
1991INFINITIQ45AutomaticN/A
1990INFINITIQ45AutomaticN/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:

1S55773191851X0653-31741JA4167NS6800S51121

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