MerCruiser 470 170hp 3.7L Camshaft Extension 462-6102A1 462-6102A3 72939 Early Distributor Ignition Parts I believe this should be

I believe this should be the same as 0982304 / 982304 as The 981566 was used 1977

Condition Notes

Mercury 85hp 850 - 4cyl (1973-1977)

Equivalent / Related / Similar Part Numbers:

MerCruiser 470 170hp 3.7L Camshaft Extension 462-6102A1 462-6102A3 72939 Early Distributor Ignition Parts I believe this should beItem Details Removed from a 1976 1978 MerCruiser 470 S N 5064860 This works on the very early 470 engines ONLY (S N 5195053 & below) Overall Good Condition Parts Included Camshaft Assembly 462 6102A1 462 6102A3 This is the very early style camshaft with the hex style water pump mounting Shaft Extension 72939 still installed Compatibility Used only on EARLY MerCruiser 470 Models S N 00000000 05195053 Likely 1976 1978, but please check your serial