Get your four-way flashers working again with the Standard Ignition Hazard Warning Switch HZS166, a direct-fit replacement electrically operated switch that drops into the 2006 Kia Optima [All]. It replaces a damaged or worn OE hazard switch and restores hazard flasher function so all four turn-signal lamps can flash together on demand.
- Made to OE spec: built for proper fit, form, and function as a direct replacement for the original unit.
- Copper alloy conductors: deliver strong electrical conductivity with low resistive losses.
- Robust build: high-grade materials designed to meet the demands of today's service professional.
- Switch specifications: black finish with a plastic body, 8 male blade terminals, and a female connector.
If a failed hazard switch is the cause of flashers that won't turn on or stay engaged, this switch replaces that component. Package contents: the switch only. Country of origin: Korea, Republic of. Availability is while supplies last.
Interchange: HDS166 · SW6818 · HSW166 · 937903C010 · Manufacturer part number HZS166.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does the HZS166 fit?
It is a direct-fit replacement for the 2006 Kia Optima [All]. Check the Buyer's Guide tab to confirm it matches your vehicle.
What does a hazard warning switch do?
It completes the circuit that makes all four turn-signal lamps flash together as hazard warning flashers. If a failed switch is the cause of inoperative flashers, this replaces it.
What's included in the package?
The package contents are the switch only. No additional hardware or components are listed as included.
What terminals does this switch use?
It has 8 male blade terminals and a female connector, per the catalog attributes.
What interchange numbers does this replace?
It cross-references HDS166, SW6818, HSW166, and 937903C010. The manufacturer part number is HZS166.
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