0581786 0502881 BRP Ignition Coil | Genuine Used Part

🔧 Product Description

Genuine BRP / OMC Johnson Evinrude Ignition Coil - Part Numbers: 0581786 / 0502881

A genuine BRP / OMC ignition coil used on selected Johnson and Evinrude two-stroke outboards. This coil cross-references with 0581370, Sierra 18-5172, GLM 72030 and Mallory 9-23106 replacement data.

⚙️ Key Features

• Genuine BRP / OMC ignition coil

• Correct OEM part numbers 0581786 and 0502881

• Also cross-references with 0581370

• Used on selected Johnson / Evinrude two-stroke ignition systems

• Match by original coil number, mounting style, plug lead and ignition diagram

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 0581370 earlier related OMC ignition coil reference

• 0581786 BRP / OMC ignition coil reference

• 0502881 BRP / OMC ignition coil reference

OEM / Related Numbers:

• 0581786

• 581786

• 0502881

• 502881

• 0581370

• 581370

• Ignition coil

• Coil assembly

• Johnson ignition coil

• Evinrude ignition coil

• OMC ignition coil

Aftermarket / Verified Equivalents:

• Sierra: 18-5172

• GLM: 72030

• Mallory: 9-23106

• Redline: RL5172

• Aftermarket replacement for 0581786 / 0502881 / 0581370

🚤 Compatibility

Commonly used on:

• Johnson / Evinrude two-stroke outboard ignition systems

Typically suits:

• Engine models:

• Johnson / Evinrude 18HP two-stroke applications where 0581786 / 0502881 is specified

• Johnson / Evinrude 20HP two-stroke applications where 0581786 / 0502881 is specified

• Johnson / Evinrude 25HP two-stroke applications where 0581786 / 0502881 is specified

• Johnson / Evinrude 35HP two-stroke applications where 0581786 / 0502881 is specified

• Johnson / Evinrude 40HP two-stroke applications where 0581786 / 0502881 is specified

• OMC / BRP ignition systems using Sierra 18-5172 replacement coil data

• Johnson / Evinrude model-controlled ignition diagrams listing 0581786, 0502881 or 0581370

• HP Range: commonly 18HP - 40HP confirmed aftermarket replacement-data applications

• Engine Type: Johnson / Evinrude two-stroke outboard ignition system

• Year Range: model and part-number controlled

• Serial Note: Match by exact Johnson / Evinrude model number, original coil number, mounting bracket, plug lead style and ignition-system diagram before installation.

🔌 Function

The ignition coil converts ignition-system voltage into high-voltage spark output for the spark plug.

Common signs of failure:

• No spark

• Weak or intermittent spark

• Hard starting

• Rough idle

• Misfire under load

• Engine cuts out when warm

• Coil body cracked or plug lead damaged

• Spark returns when a known-good coil is fitted

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated