HEI Ignition Coil MerCruiser Thunderbolt IV & V Replaces 392-7803A4,392-805570A2 - 392-7803A4:
HEI Ignition Coil MerCruiser Thunderbolt IV & V Replaces 392-7803A4,392-805570A2, with a high quality.
We strive to provide new innovative products to meet the need of the rapidly changing world we live in.
Our goal is to provide products made with the finest material and consistent and high quality processes.
For Mercruiser Thunderbolt 4 & 5 Ignition systems.
Replaces: Mercury Marine 392-7803A4
Replaces: Mercury Marine 392-805570A2
Replaces: Crusader 37068
This coil is a perfect OEM replacement.
40,000 volt coil.