• 580740 OMC Coil | Genuine Used Part
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580740 OMC Coil | Genuine Used Part

580740 OMC Coil | Genuine Used Part

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🔧 Product Description

Genuine OMC / Johnson / Evinrude Ignition Coil and Yoke Assembly - Part Number: 0580740

A genuine OMC ignition coil and yoke assembly used on Johnson and Evinrude 3-cylinder and 4-cylinder ignition systems. This coil family is associated with 0580740 / 580740 and 0582382 / 582382 applications, including early V4 StarFlite and 100HP, 115HP and 125HP two-stroke ignition layouts.

⚙️ Key Features

  • Genuine OMC / Johnson / Evinrude ignition coil
  • Correct OEM reference 0580740 / 580740
  • Coil and yoke assembly
  • Used on 3-cylinder and 4-cylinder ignition systems
  • Must be matched by coil mounting style and ignition lead layout

🚤 Compatibility

Commonly used on

  • Johnson / Evinrude 3-cylinder and 4-cylinder two-stroke ignition systems
  • Early V4 StarFlite ignition coil applications

Typically suits

  • Johnson / Evinrude 100HP V4, including 1971 100HP applications
  • Johnson / Evinrude 115HP V4 StarFlite applications
  • Johnson / Evinrude 125HP V4 StarFlite applications
  • 3-cylinder and 4-cylinder engines using the 0580740 / 0582382 coil family
  • HP Range: 100HP / 115HP / 125HP confirmed family applications
  • Engine Type: Johnson / Evinrude two-stroke ignition system
  • Year Range: Early 1970s and model-diagram controlled replacement family
  • Serial Note: Confirm by exact model number, coil/yoke mounting style and ignition diagram.

🔌 Function

The ignition coil transforms power-pack or ignition output into high-voltage spark for the assigned cylinder circuit.

⚠️ Common Signs of Failure

  • Weak or missing spark
  • Misfire under throttle
  • Hard starting when cold or hot
  • Cylinder drops out after warming up
  • Cracked coil body or damaged yoke
  • Carbon tracking at the coil tower
  • Spark changes when the lead or coil is moved

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 0580740 / 580740 to 0582382 / 582382 family

OEM / Related Numbers

  • 0580740
  • 580740
  • 0582382
  • 582382
  • 0502886
  • 580847
  • 802365
  • Ignition coil and yoke assembly

Aftermarket / Verified Equivalents

  • CDI Electronics 183-2382
  • Sierra 18-5193
  • Mallory 9-23108

📦 Condition

  • Genuine used part
  • Removed from running engine where applicable
  • In good working condition unless otherwise stated

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in the condition you received it for a refund or exchange. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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