MerCruiser 470 170hp 3.7L Camshaft Extension 462-6102A1 462-6102A3 72939 Early

Item 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 number ------ 1976 1977 1978 1979 Alpha One 470 4-cyl 170hp 3.7L 224CID Sterndrive