Standard Ignition Ignition Switch P/N:US-451
Send power to the ignition and starting circuits with every turn of the key using the Standard Ignition switch, part number US-581. This ignition starter switch is a direct-fit replacement for many vehicles, among them the 2009-2012 Hyundai Genesis, 2006-2011 Hyundai Azera, and 2003-2008 Hyundai Tiburon. See the Buyer's Guide tab for the full list and engine-specific details.
The ignition starter switch is the electrical side of the key system. As the key moves through its positions, the switch opens and closes contacts that feed the ignition, accessory, and starter circuits.
Signs this switch may need replacing include:
A weak battery, a failed starter, relays, or wiring can cause these same symptoms, so diagnose the cause before replacing. If a worn ignition switch is the problem, US-581 replaces it.
Interchange: CS940 · LS1224 · KS6940 · 931103A000
This part cross-references / interchanges with the following part numbers:
What does an ignition starter switch do?
It is the electrical switch operated by the key. As the key moves through its positions, it opens and closes contacts that feed the ignition, accessory, and starter circuits.
Is US-581 the right Genesis switch for a 2009-2012 Hyundai Genesis?
Yes. It is listed for the 2009-2012 Hyundai Genesis, as well as the 2006-2011 Hyundai Azera and 2003-2008 Hyundai Tiburon. See the Buyer's Guide tab for the full list and engine details.
What are signs of a failing ignition switch?
Possible signs include a no-crank condition, stalling while driving, and accessories or dash lights cutting out. The battery, starter, or wiring can cause these too, so diagnose the cause first.
Is the US-581 tested before it ships?
Yes. Standard Ignition 100% tests its parts to verify both mechanical and electrical switching performance. The switch also uses copper alloy conductors for low resistive losses.
What part numbers does US-581 interchange with?
It cross-references to CS940, LS1224, KS6940, and 931103A000.
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.