Mercury-Mercruiser 39-67121 RING,PISTON(.030O.S.)
39-67121 RING,PISTON(.030O.S.) has been superceded to a new part number.
The newest part number is 67134 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
Manufacturer part number: