Distributor Ignition Sensor, for Mercruiser Thunderbolt 87-892150Q02, 87-91019A3
Distributor Ignition Sensor for Mercruiser Thunderbolt. Used on V6 & V8 Mercruiser engines Replaces Mercruiser #: 87-892150Q02, 87-91019A3 Replaces Older Version Without Ground Wire RM87-08107.