Standard Ignition Ignition Switch P/N:US-637

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$57.99
MPN: US-637
UPC: 707390467764
Item Package Quantity: 1
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Standard Ignition Ignition Switch P/N:US-637
Standard Ignition Ignition Switch P/N:US-637
$57.99

Route battery power to the ignition and starter circuits at the turn of the key with the Standard Ignition Ignition Starter Switch, part number US-637. It's a direct-fit replacement for the 1994-1997 Kia Sephia. See the Buyer's Guide tab for engine-specific details.

The ignition starter switch is the electrical side of the ignition system. As the key moves through its positions, the switch routes battery power to the accessory, run and start circuits, including the signal that engages the starter.

  • Copper alloy conductors: used for strong electrical conductivity with low resistive losses.
  • 100% tested: every switch is checked to verify both mechanical and electrical switching performance.
  • Quality-controlled production: Standard Ignition is a global manufacturer of original equipment ignition products. It maintains quality control across the whole manufacturing process, from the individual components to the finished product.
  • Built for the service bay: a robust design and high-grade materials intended to meet the demands of today's service professional. The ignition switch line is constructed for proper fit and function.

Signs this part may need replacing: the engine doesn't crank when the key is turned to start, dash lights or accessories cut out, or the engine stalls or loses power intermittently with the key in the run position. These symptoms can have other causes, so diagnose the ignition circuit before you replace the switch.

Interchange: CS996 · LS934 · KS6996 · 0K20366152

This part cross-references / interchanges with the following part numbers:

CS996, LS934, KS6996, 0K20366152, US-637

Frequently Asked Questions

What vehicle does the Standard Ignition US-637 fit?

US-637 is listed for the 1994-1997 Kia Sephia. See the Buyer's Guide tab for engine-specific details.

What does an ignition starter switch do?

It is the electrical switch operated by the ignition key. As the key turns, it routes power to the accessory, run and start circuits, including the signal that engages the starter.

What are signs of a failing ignition switch?

Common signs include no crank when the key is turned to start, dash or accessories cutting out, and intermittent stalling in the run position. Other faults can cause these symptoms, so diagnose the circuit first.

Is the US-637 tested before it ships?

Yes. Standard Ignition tests its ignition switches 100% to verify both mechanical and electrical switching performance.

Which part numbers does US-637 cross-reference?

US-637 cross-references CS996, LS934, KS6996 and 0K20366152.