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1955-1974 Corvette ACDelco Ignition Coil

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product image
Brand Logo ACDelco
Part #: 622-021
GM Part #: 12337166
Availability: In Stock - Ships today if ordered by 3 PM CT
Only 1 Left, Order Soon!
Fits Years:
  • 1955-1962
  • 1963-1967
  • 1968-1974
$79.99
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  • Description

1955-1974 ACDelco Ignition Coil

Crafted with precision and expertise, this ignition coil is a testament to ACDelco's commitment to delivering superior quality to vehicles on the road today. Engineered to increase electrical system voltage, it plays a crucial role in igniting the air/fuel mixture during engine startup, maintaining the battery's charge, and powering electrical accessories while the engine is in motion.

What sets this ACDelco Ignition Coil apart is its utilization of pure copper windings, enhancing durability and offering increased resistance to internal shorts and dielectric breakdown. ACDelco understands that the key to optimal ignition coil performance lies in the meticulous design of laminations. To ensure a seamless match with the original part, silicone steel plates surround the ignition coil, delivering precise output characteristics. The steel laminations, crucial for efficiency, are coated to resist corrosion, with many featuring molded plastic protection to safeguard against exposure.

  • Fits 1955-1962 C1 Corvettes
  • Fits 1963-1967 C2 Corvettes
  • Fits 1968-1974 C3 Corvettes
  • OE Replacement
  • High Quality Coated Windings
  • Silicone Steel Plates Surrounding Coil
  • Coated Laminations to Hinder Corrosion
  • Oil Filled
  • Connector Gender: Male
  • Height: 5.7" (144mm)
  • Length: 6.5" (165mm)
  • Width: 3.38" (85.85mm)
  • Maximum Diameter: 2.5" (63.5mm)
  • Weight: 1.39lbs
  • Terminal Quantity: 2
  • Terminal Gender: Male
  • Terminal Type: Threaded
  • Voltage: 12V

Possible Signs of a Failing Ignition Coil:

  • Engine Will Not Start
  • Engine Misfire
  • Reduced Power or Stalling
  • Reduced Fuel Economy
  • Check Engine Light
  • Rough Idle


Also known under these part numbers: (For reference only)

  • 036666253719
  • 12337166
  • U505