Description
Sierra 18-5181 Ignition Coil is a premium aftermarket replacement part designed to meet or exceed original equipment manufacturer (OEM) specifications for harsh marine environments. It features high-grade copper windings to maximize voltage output and provide reliable ignition delivery.
Technical Specifications
- Primary Resistance: 0.09 ± 10% ohms
- Secondary Resistance: 10.00K ± 15% ohms
- Coil Style: Remote mount (round, green housing)
- Wire Attachment: Ring terminal
- Included Hardware: Mounting bracket (does not include coil wire)
Interchangeability & Fitment Guide
This universal-fit marine coil is interchangeable with several major manufacturer part numbers:
- OMC / Johnson / Evinrude: 0582995, 0584477, 0580416, 0582370, 0582931, 0580971
- Mercury Marine: 802371A1, 802371
- GLM: 72100
- Mallory: 9-23102
It supports a massive range of classic 2-stroke and 4-stroke outboard engines, commonly found on:
- 1.5 HP to 40 HP models built between 1949 and 1989 (including popular 3, 4, 6, 9.5, 15, 20, 25, and 40 HP outboards).
