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1973 Mercruiser Parts

Serial Number:
Select Model:
1973 165 Drives Mercruiser Sternddrive Motors
Mercruiser 2165203 Parts - Authorized dealer for 1973 OEM 2165203 parts

Models in the 888 Drives range
Mercruiser 2888203 Parts - View all diagram schematics for the 2888203

Locating MerCruiser Serial Number Tags

Engine Serial Number: The serial number tag is located near the starter, by the flywheel housing; or, on the rocker arm or flame arrestor cover.

Transom plates: The serial number tag is located on the inner transon plate inside the boat; or, on the upper swivel pin.

Sterndrive Serial Number (separate from engine): The serial number tag is located on the upper drive shaft housing (starboard side or on the back of the housing).