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1978 Mercruiser Parts

Serial Number:
Select Model:
Models in the 140 CID 2.3L range
Mercruiser 2140208 Parts - OEM Mercruiser 2140208 parts shipped fast

OEM parts for 153 CID 2.5L Mercruiser
Mercruiser 2120208 Parts - Authentic 2120208 153 CID 2.5L diagram resources
1978 Mercruiser 165 Drives
Mercruiser 2165208 Parts - 2165208 165 Drives repair manuals

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).