8N11450 6 Volt Starter Solenoid Relay Fits Ford 2N 8N 9N Tractors 3 Terminal 6V

What This Is

This is a new 6-volt starter solenoid for Ford N-series tractors, cross-referenced to Ford part number 8N11450. The solenoid is the heavy switch in the starting circuit. When you press the starter button, it closes and sends full battery current to the starter motor, then opens again when you release the button. A weak or failing solenoid shows up as a loud click with no crank, intermittent starting, or a starter that drags, so replacing it is a common fix for hard starting on these tractors.

Fitment

Fits Ford 9N (1939 to 1942), 2N (1942 to 1947), and 8N (1947 to 1952) tractors. These tractors were built with a 6-volt, positive-ground electrical system, which is what this solenoid is intended for. The same models are also found under later New Holland ownership of the Ford tractor line, so the part is listed for both makes.

Specifications

Voltage: 6 volt. Terminals: three. Construction: copper contacts, insulated base, and a phenolic housing, with a mount that locates on the starter in place of the original Ford solenoid. It is designed to work with the Autolite-style starters used on these tractors.

Important: 6 Volt Versus 12 Volt

This is the 6-volt unit, correct for a tractor that is still on its original 6-volt positive-ground system. Many N-series tractors have been converted to 12 volts over the years, and a separate 12-volt solenoid is used in that case. Confirm your system voltage before ordering. A 6-volt solenoid is not the right choice for a 12-volt conversion.

What It Is Not

This is the starter solenoid, the part that switches current to the starter. It is not the ignition or key switch, and it is not the push-button starter switch on the dash or floor. If your symptom is a dead electrical system rather than a no-crank at the starter, verify which component you actually need.

Cross-Reference

Replaces Ford 8N11450 and 8N-11450, and interchanges with solenoid numbers SW218 and SW355. If you are matching an old solenoid, compare terminal count and mounting before installing to be sure it lines up with your starter.