Standard Ignition Ignition Switch US-84
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Standard Ignition Ignition Switch US-84
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Standard Ignition Ignition Switch P/N:US-84

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$44.99
MPN: US-84
Item Package Quantity: 1
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Standard Ignition Ignition Switch P/N:US-84
Standard Ignition Ignition Switch P/N:US-84
$44.99

Get dependable key-start control with the Standard Ignition Ignition Starter Switch US-84, which sends power to the ignition system and engages the starter circuit when you turn the key. It is listed as a direct-fit replacement for many models from Chevrolet and GMC, among them the 1972 Chevrolet K10 Suburban, 1980-1989 Chevrolet C50 and 1972 Chevrolet Blazer.

  • Quality control from start to finish: Standard Ignition is a global manufacturer of original equipment ignition products and controls quality through every step of production, from componentry to the finished switch.
  • Copper alloy conductors: Chosen for superior electrical conductivity with low resistive losses.
  • High-grade materials: The ignition switch line is built from quality materials for proper fit and function, with a robust design made for the demands of today's service professional.
  • 100% tested: Each switch is checked for both mechanical and electrical switching performance.

Signs this part may need replacing include no crank when the key is turned to start, an intermittent loss of ignition power, or stalling when the key is moved. These symptoms can have other causes, so diagnose the circuit before replacing the switch. For engine details and the full list of Chevrolet and GMC applications, see the Buyer's Guide tab.

Interchange: 2-IS77
2IS77 · CS81 · IS77 · LS411 · KS6603 · 01116712 · 1116504 · 1116683 · 1116688 · 1116695 · 1116704 · 1116709 · 1116711 · 1116712 · 12356033 · 2234285 · KS6603SB · US84T

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

CS81, IS77, LS411, KS6603, 01116712, 1116504, 1116683, 1116688, 1116695, 1116704, 1116709, 1116711, 1116712, 12356033, 2234285, 2-IS77, KS6603SB, US84T

Frequently Asked Questions

Is the US-84 the right Blazer switch for a 1972 Chevrolet Blazer?

Yes. The 1972 Chevrolet Blazer is one of the listed applications for this ignition starter switch. Check the Buyer's Guide tab to confirm your exact vehicle.

What does an ignition starter switch do?

It sends power to the ignition system when the key is turned on. In the start position, it engages the starter circuit so the engine can crank.

What are the signs that an ignition starter switch may need replacing?

Possible signs include no crank when the key is turned, intermittent loss of ignition power, or stalling when the key moves. Other faults can cause these symptoms, so diagnose the circuit first.

Is the Standard Ignition US-84 tested before it ships?

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

How should I approach installing this ignition switch?

Disconnect the battery before working on the ignition circuit. Then follow the vehicle service information for removing the old switch and installing the new one.

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