This is a genuine Volvo OMC ignition coil, suitable for use with 2.5, 3.0, 3.7, 4.3, 5.7, 6.2, 7.4 V6-V8 engines. It comes with a manufacturer part number of 392-806529A 1, 3852217, 72110, 18-5433, and 915735.
Box54