Help ensure the starter engages only in Park or Neutral with the Standard Ignition Neutral Safety Switch NS757. This Mazda 3 switch is a direct-fit OE replacement for the 2004-2009 Mazda 3. It is designed for proper fit, form and function in an important safety category. See the Buyer's Guide tab for engine details.
A neutral safety switch reports shifter position to the starting circuit. It lets the engine crank only when the transmission is in Park or Neutral, which helps keep the vehicle from starting in gear.
Signs this switch may need replacing include:
Diagnose the starting circuit first. If the neutral safety switch is the cause, NS757 replaces it.
Interchange: CSW654 · NS7159 · GC0217640A · GC0217640B
This part cross-references / interchanges with the following part numbers:
What does a neutral safety switch do?
It tells the starting circuit which position the shifter is in, so the engine can crank only in Park or Neutral. This helps prevent the vehicle from starting in gear.
Will the NS757 fit my 2004-2009 Mazda 3?
The NS757 is a direct-fit OE replacement for the 2004-2009 Mazda 3. See the Buyer's Guide tab for engine details.
What are signs of a failing neutral safety switch?
Signs include no crank in Park or Neutral, cranking in only one of those positions, or an intermittent no-start. Diagnose the starting circuit first, because other parts can cause the same symptoms.
What part numbers does the NS757 interchange with?
The NS757 interchanges with CSW654, NS7159, GC0217640A and GC0217640B.
What are the switch's conductors made of?
The switch uses copper alloy conductors for superior electrical conductivity with low resistive losses.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
