Standard Ignition Ignition Switch P/N:US-504
Put fresh, fully tested switching behind your key with this Standard Ignition switch, part number US-50, an ignition starter switch that routes power to the ignition circuit in the run position and feeds the starting circuit when the key is turned to start. It fits many vehicles, among them the 1966-1968 Dodge Charger, 1960-1968 Chrysler Town & Country and 1960-1968 Chrysler 300. It is a direct-fit replacement for the listed applications; see the Buyer's Guide tab for the full list.
Standard Ignition builds its ignition switch line with the finest materials for proper fit and function. Signs an ignition switch may need replacing include no crank when the key is turned to start, intermittent loss of power or stalling while driving, or circuits that do not power up in the run position. These symptoms can have other causes, so diagnose the circuit before replacing the switch. If the switch is the cause, US-50 replaces it.
Interchange: CS53 · 1691830 · 2097628 · 2497158 · 2864258 · LS472 · KS6528 · 1972298 · 1972363
This part cross-references / interchanges with the following part numbers:
What does the Standard Ignition US-50 ignition starter switch do?
It is the electrical switch your key operates. It routes power to the ignition circuit in the run position and feeds the starting circuit when the key is turned to start.
Will this Charger switch fit my 1966-1968 Dodge Charger?
Yes. US-50 is listed as a direct-fit replacement for the 1966-1968 Dodge Charger. The Buyer's Guide tab shows every vehicle it fits.
Does it also fit the Chrysler Town & Country and Chrysler 300?
Yes. It is listed for the 1960-1968 Chrysler Town & Country and the 1960-1968 Chrysler 300, along with many other vehicles shown in the Buyer's Guide tab.
How is this ignition switch tested and built?
Standard Ignition tests 100% of these switches to verify both mechanical and electrical switching performance. The conductors are copper alloy, which gives low resistive losses.
What are signs an ignition switch may need replacing?
Common signs include no crank in the start position, intermittent power loss or stalling, and circuits that do not power up in run. These can have other causes, so diagnose the circuit first.
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.