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Used Outboard Parts & Fresh Water Sterndrive Parts

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745-3778A1 Fits Mercury 35 40 400 Hp Outboard O.S. .015 Piston & Pin

745-3778A1 Fits Mercury 35 40 400 Hp Outboard O.S. .015 Piston & Pin

745-3778A1 Fits Mercury 35 40 400 Hp Outboard O.S. .015 Piston & Pin

$81.99

Mercury part number 745-3778A1.
Related part number: 9137A13

Mercury oversize .015 piston with pin and 3 rings.

For use on some Mercury 35 and 40 400 Hp outboard engines.

New OEM factory part. The packaging does show signs of shelf wear.

Please check the part numbers for your fitment needs. If you are unsure whether this part fits your model, please contact us with your serial number and we can help determine if it is right for your engine.

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Green Bay Prop offers the most used Stern Drive & Outboard parts in Wisconsin!

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