Standard Ignition NS-144 Neutral Safety Switch

Brand Standard Ignition NS-144
Connector Gender Female
Terminal Gender Male
Terminal Type Blade Terminals
Fits Lexus and Toyota · 10 vehicles

Bolt-mount design. Installs securely with a simple bolt-on attachment method.

Metal construction. Built with a durable metal body and blade terminals.

12V operation. Matches standard 12-volt electrical systems.

Cross-references Standard Ignition NS-144, 8452032090 and NS5820 for the same application. See all 4.

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Neutral Safety Switch for Toyota and Lexus

Standard Ignition NS-144 is a bolt-mount neutral safety switch built for 12V electrical systems with a metal housing and a rectangular female connector. It uses 9 male blade terminals and measures 4.25 inches long, making it a direct-fit electrical replacement for select Toyota and Lexus applications.

Compatible with 1988-1993 Toyota Camry, 1990-1991 Lexus ES250, and 1992-1993 Lexus ES300, this NS-144 neutral safety switch supports proper starter interlock operation and transmission range signaling. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Key Features

  • Standard Ignition NS-144 neutral safety switch
  • Bolt-mount attachment for secure installation
  • 9-terminal design with male blade terminals
  • 1 rectangular female connector
  • Metal construction with black and silver finish
  • 12V electrical specification
  • Length: 4.25 in. (107.95 mm)

Detailed Description

The Standard Ignition NS-144 is a replacement neutral safety switch for vehicles that require accurate park/neutral circuit operation. It is engineered with a single rectangular connector, blade-style terminals, and a bolt-on mounting style to match the original electrical and mechanical layout on select Toyota Camry, Lexus ES250, and Lexus ES300 models. If you are searching for a neutral safety switch for 1988-1993 Toyota Camry or a replacement neutral safety switch for 1990-1991 Lexus ES250 and 1992-1993 Lexus ES300, NS-144 is the relevant part number to verify against your application.

What This Part Helps Address

  • Engine cranking only in the wrong gear position
  • No-start condition related to park/neutral switch operation
  • Intermittent starter engagement
  • Transmission range signal faults
  • Electrical connection issues at the switch interface

Installation Notes and Tips

Confirm connector shape, terminal count, and mounting style before installation. This switch uses a bolt mount, 9 male blade terminals, and one female rectangular connector; compare those details to the original unit on the vehicle. No mounting hardware or gaskets are listed, so reuse or source any required related components separately as needed. Verify proper adjustment after installation so the vehicle starts only in Park or Neutral.

Quality Assurance

Standard Ignition supplies electrical replacement parts for service applications, and NS-144 is built to match the listed fitment and connector specifications for select Toyota and Lexus vehicles. Always confirm part number NS-144 against the original component and vehicle identification before ordering.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
1993LexusES300Automatic——N/A—
1993ToyotaCamryAutomatic3.0LV6N/A—
1992LexusES300Automatic——N/A—
1992ToyotaCamryAutomatic3.0LV6N/A—
1991LexusES250Automatic2.5LV6N/A—
1991ToyotaCamryAutomatic2.5LV6N/A—
1990LexusES250Automatic2.5LV6N/A—
1990ToyotaCamryAutomatic2.5LV6N/A—
1989ToyotaCamryAutomatic2.5LV6N/A—
1988ToyotaCamryAutomatic2.5LV6N/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-1448452032090NS5820S26317