MerCruiser 43-96084A4 Pre-Alpha One Lower Unit Gear Set Forward Reverse 1970-82 steering wheel Mercury 35hp - 4cyl &

Mercury 35hp - 4cyl & 2cyl (1963-1969 & 1984-1989) KB-2A / KC-4A / KC-8A / KC-9A / KC-9B / KC-9C / KC-13A / AJ-54A

0L 305 188hp (2bbl) 1971-1977 (Serial Number 4220621 which is probably late 73 or 74)

269000014 Latch Cover

You can look for a marking mentioned in the above link that will help you identify what you have

301930 031930

MerCruiser 43-96084A4 Pre-Alpha One Lower Unit Gear Set Forward Reverse 1970-82 steering wheel Mercury 35hp - 4cyl &Item Details MerCruiser Sterndrive Alpha One Lower Unit Complete Gearset 43 96084A4 (Pinion, Forward, Reverse) & Bearing Carrier Used in MerCruiser MC 1, #1, "R Drive" lower units 1970 1982 (If your driveshaft HAS A PRELOAD PIN then these are the CORRECT parts, if yours does NOT have a preload pin (1983 1990 drives), then these are NOT the correct gears) The time period 1970 1982 should be the time period that covers when the drives still had the