Standard Ignition Clutch Starter Safety Switch P/N:NS-63

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$91.99
MPN: NS-63
Item Package Quantity: 1
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Standard Ignition Clutch Starter Safety Switch P/N:NS-63
Standard Ignition Clutch Starter Safety Switch P/N:NS-63
$91.99

Keep the engine from cranking unless the clutch pedal is pressed with the Standard Ignition Clutch Starter Safety Switch NS-63. It installs as a direct-fit replacement for the 1986-2004 Ford Mustang — see the Buyer's Guide tab for the specific engine applications. This switch senses clutch pedal position and completes the starter circuit only when the pedal is fully depressed, an interlock in the manual-transmission starting system.

  • Copper alloy conductors: deliver strong electrical conductivity with low resistive losses.
  • 100% tested: every unit is verified for both mechanical and electrical switching performance.
  • Robust design & high-grade materials: built to meet the demands of today's service professional.
  • OE ignition heritage: produced by a global manufacturer of original-equipment ignition products with quality control from componentry to finished part.

Signs this switch may need replacing include a starter that won't crank with the clutch pedal down, or an engine that cranks without the pedal pressed. Because these symptoms can have other causes, diagnose the circuit before replacing. If a failed clutch starter safety switch is the cause, this NS-63 replaces it.

Interchange: S9260 · F469 · NS6429 · E6ZZ11A152A · F4ZZ11A152A · SW2063 · SW2497

This part cross-references / interchanges with the following part numbers:

S9260, F469, NS6429, E6ZZ11A152A, F4ZZ11A152A, SW2063, SW2497

Frequently Asked Questions

What does the NS-63 clutch starter safety switch do?

It senses clutch pedal position and completes the starter circuit only when the pedal is fully depressed, acting as a starting interlock on manual-transmission vehicles.

Which vehicles does this switch fit?

It is a direct-fit replacement for the 1986-2004 Ford Mustang. Check the Buyer's Guide tab for the specific engine applications covered.

What are the signs this switch may need replacing?

Common signs include the starter not cranking with the clutch pedal pressed, or the engine cranking without the pedal depressed. Diagnose the circuit first, since other causes are possible.

What numbers does the NS-63 interchange with?

It cross-references S9260, F469, NS6429, E6ZZ11A152A, F4ZZ11A152A, SW2063, and SW2497.

How is the switch built?

It uses copper alloy conductors for strong conductivity with low resistive losses, and every unit is 100% tested for mechanical and electrical switching performance.