Skip to content Skip to navigation menu

SIERRAI/O & Inboard Ignition Coils


I/O & Inboard Ignition Coils

I/O & Inboard Ignition Coils

Customer Reviews
Product Models
Description WM Model # MFG Part # Availability Price Quantity  
Uses internal resistor, for many Mallory applications 207830 18-5436
In stock online.


Uses external resistor, for 1990 and earlier OMC conventional ignitions. Replaces OMC 383444, 378231 6936660 18-5437
In stock online.


HEI coil for EST ignition and high-performance applications. Replaces Mercury 817378, OMC 3854002, Volvo 3854002-7. 6936678 18-5443
In stock online.


Product Description

I/O & Inboard Ignition Coils


West Advisor

The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.

Questions about this Product?
1 (800) 262-8464