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1978 Mercruiser Parts

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Find parts for 140 CID 2.3L
Mercruiser 2140208 Parts - Huge inventory of OEM Mercruiser 2140208 original parts

1978 153 CID 2.5L Mercruiser Sternddrive Motors
Mercruiser 2120208 Parts - Repair schematics for the 2120208 1978 model
1978 165 Drives Mercruiser Sternddrive Motors
Mercruiser 2165208 Parts - 2165208 parts on sale now

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).