This a OEM Quicksilver/Mercury Mariner Piston. Part# 761-8377M Piston comes with rings and etc. This piston is new oldstock. This Mercury Marine PISTON ASS'Y (2ND O.S. 67.50MM) part is also used on these models and components: 1980 7025500 CRANKSHAFT AND PISTON 1980 7025520 CRANKSHAFT AND PISTON 1986 7026226 CRANKSHAFT AND PISTON 1988 7025201NW CRANKSHAFT AND PISTON 1980 7025200 CRANKSHAFT AND PISTON 1980 7025220 CRANKSHAFT AND PISTON 1980 7025300 CRANKSHAFT AND PISTON 1980 7025320 CRANKSHAFT AND PISTON 1980 7025500 CRANKSHAFT AND PISTON 1980 7025520 CRANKSHAFT AND PISTON 1981 7020201 CRANKSHAFT AND PISTON 1989 7025207PW CRANKSHAFT AND PISTON 1990 7025207SW CRANKSHAFT AND PISTON 1992 7025208AW CRANKSHAFT AND PISTON 1993 7025208BW CRANKSHAFT AND PISTON 1990 7025208SW CRANKSHAFT AND PISTON 1989 7025217PW CRANKSHAFT AND PISTON 1990 7025217SW CRANKSHAFT AND PISTON 1992 7025218AW CRANKSHAFT AND PISTON 1993 7025218BW CRANKSHAFT AND PISTON 1989 7025218PW CRANKSHAFT AND PISTON 1990 7025218SW CRANKSHAFT AND PISTON 1991 7025218YW CRANKSHAFT AND PISTON Please see all of our parts to fit your motor in our store! ***Our goal is to continue providing outstanding customer service with every order. Every effort is made to inspect the item and provide an accurate description so that you can Bid with Confidence! We will make every effort to get you back on the water fast. Our normal shipping days are Monday and Thursday. Please feel free to ask any questions and we will do our best to answer. Thanks! **Buyer pays all shipping cost, see below. We do not charge packaging or crating fees. Arrangements can be made to pickup items locally. **Please pay for all items within 7 days, otherwise the item will be relisted. "HAPPY BIDDING!" and don't forget to add us to your favorites list.