Standard Ignition Ignition Switch P/N:US-657
Keep power moving through the accessory, run, and start circuits with the Standard Ignition Ignition Switch US-88. It's a direct-fit replacement for a wide range of 1970s Mopar vehicles, including the 1970-1971 Chrysler 300, 1970-1976 Chrysler Newport, 1970-1976 Dodge Charger, 1970-1976 Dodge Dart, 1970-1974 Plymouth Barracuda, and 1970-1975 Plymouth Road Runner — see the Buyer's Guide tab for the full list.
Interchange: CS82 · 2947486 · 2947487 · 2990016 · 2999924 · 3738077 · 3741936 · 3746936 · 3746938 · 3747092 · LS418 · KS6611 · 1972522 · IS101. Manufacturer part number US-88.
This part cross-references / interchanges with the following part numbers:
What does this ignition switch do?
It's the key-operated electrical switch that directs battery power to the accessory, run, and start positions of the ignition system.
Will the US-88 fit my vehicle?
It's a direct-fit replacement for many 1970s Chrysler, Dodge, and Plymouth models. Check the Buyer's Guide tab to confirm the exact year and model match for your vehicle.
What are the signs of a failing ignition switch?
Common signs include a no-crank when turning the key, accessories cutting in and out, or the engine dying unless you hold or jiggle the key. Diagnose the cause before replacing.
What numbers does this part interchange with?
It cross-references CS82, 2947486, 2947487, 2990016, 2999924, 3738077, 3741936, 3746936, 3746938, 3747092, LS418, KS6611, 1972522, and IS101.
Is this the same as the ignition lock cylinder?
No. This is the electrical ignition switch that routes power to the ignition circuits, not the lock cylinder that the key physically turns.
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.