18-3902 - Rings, 39-78816A12, 3 Rings Only
18-3902 Piston Ring Mercury 39-78816A12
Sierra Marine Piston Ring is equivalent to parts:
- 39 78816A12 Mercury Marine
- 9-54217 Mallory Marine
Additional information about this part can be found on page(s) 349 of the Sierra Marine catalog.
Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.
18-3902 - Rings, 39-78816A12, 3 Rings Only Sierra Marine 18-3902 18-3902 Piston Ring Mercury 39-78816A12 $30.79