18-3916 - Rings .015 oversize , 3 Rings Only
18-3916 Piston Rings .015 OS Mercury 39-78811A12
Sierra Marine Piston Rings .015in Os (4) is equivalent to parts:
- 39 78811A12 Mercury Marine
- 9-54219 Mallory Marine
Additional information about this part can be found on page(s) 347 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.
18-3916 - Rings .015 oversize , 3 Rings Only Sierra Marine 18-3916 18-3916 Piston Rings .015 OS Mercury 39-78811A12 $21.41