Standard Ignition Ignition Switch P/N:US-461

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$42.99
MPN: US-461
Item Package Quantity: 1
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Standard Ignition Ignition Switch P/N:US-461
Standard Ignition Ignition Switch P/N:US-461
$42.99

Get the key turning and every ignition circuit switching the way it should with the Standard Ignition Ignition Switch US-461 (also written US461). This ignition starter switch drops in as a direct-fit replacement for the 2003-2004 Infiniti G35, 2003-2004 Infiniti M45, and 1997-2004 Infiniti Q45 — see the Buyer's Guide tab for engine-level fitment details.

The ignition switch routes power to the starter and the vehicle's ignition circuits as the key is turned through its positions. When the original wears out, you may see a no-crank condition, intermittent power to accessories, or a key that won't switch cleanly between positions — signs this part may need replacing (diagnose the cause before ordering).

  • Copper alloy conductors for superior electrical conductivity with low resistive losses.
  • Built from quality materials for proper fit and function.
  • 100% tested to verify both mechanical and electrical switching performance.
  • Robust design and high-grade materials built to meet the demands of today's service professional.

Standard Ignition maintains quality control throughout the manufacturing process, from componentry to finished product.

Interchange: CS933 · KS6933 · 48701AD000 · 48750AD000 · 48750D4000

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

CS933, KS6933, 48701AD000, 48750AD000, 48750D4000, US-461

Frequently Asked Questions

What does this ignition switch do?

It routes power to the starter and the vehicle's ignition circuits as the key is turned through its positions, energizing the correct systems in each position.

Which vehicles does the US-461 fit?

It's a direct-fit replacement for the 2003-2004 Infiniti G35, 2003-2004 Infiniti M45, and 1997-2004 Infiniti Q45. Check the Buyer's Guide tab to confirm your vehicle.

What are signs my ignition switch may need replacing?

A no-crank condition, intermittent power to accessories, or a key that won't switch cleanly between positions can be signs. Diagnose the cause before replacing.

What numbers does this part interchange with?

It cross-references CS933, KS6933, 48701AD000, 48750AD000, and 48750D4000.

Is this switch tested before it ships?

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