Premium Replacement Ignition Sensor for Mercruiser Outboard EnginesThis ignition sensor fits GM V-6 & V-8 Engines with Thunderbolt IV and V Ignition.Replaces: MERCRUISER Ignition Sensor 87-892150Q02 MERCRUISER Ignition Sensor 892150A02 MERCRUISER Ignition Sensor 861780A2 MERCRUISER Ignition Sensor 91019A6 MERCRUISER Ignition Sensor 861780Q4 MERCRUISER Ignition Sensor 861780A4 MERCRUISER Ignition Sensor 91019A3 MERCRUISER Ignition Sensor 91019A2 SIERRA Ignition Sensor 18-5116-1 *ARCO Assurance 12-month part and labor warranty protection This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }