MerCruiser 42600A3 Mercathode Controller Assembly Blue Module Bravo 454 502 Engine Mounts but they both are the

but they both are the same 153 tooth unit / 12-3/4" overall diameter

91199 /  > 2 Holes on top > No cut-out on coupler end flare

MC 225-S) (225 MIE FORD 302 V-8 1973-1974

but generally referred to as 12675A7 in many of the parts manuals even though the actual part they were using was 96119 / 96120A3 / 12675-C and later there was a separate 12675-C1 Stamped Flywheel housing

10-23286 Screw

MerCruiser 42600A3 Mercathode Controller Assembly Blue Module Bravo 454 502 Engine Mounts but they both are thePart Number(s) Included MerCruiser 42600A3 Mercathode Controller Assembly Other Details Freshwater Used Parts Purchase with confidence!