Ignition Module for Mercruiser Penta OMC 4-Cyl V6 & V8 Engines Distributor Ignition Module for Mercruiser Penta OMC 4-Cyl V6 & V8 Engines Distributor OE: 811637001 811637T 18-5107-1 3854003 Mercruiser, Volvo Penta, OMC 4-cyl. V6 & V8 engines with Delco breakerless distributors. Colour: black Material: Plastic Package Contents: 1 * Ignition Module Please Note: 1. Please check part photos, part number (OE# of your old part), part description and compatibility chart above carefully and compare them with your old part to make sure it is what you need. 2. Any questions please contact us by clicking "ask a question" at the bottom of this page or click "contact seller" in the "purchase history". Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.