MERCURY Piston Assy mfg Part Number 879858T08

This sale is for one used Mercury Mariner DFI Optimax outboard piston.Mercury part number:700-879858T03Casting number: 879858This Mercury piston is not corroded or damaged. It is not pitted or scratched up. You will receive one used Mercury Mariner piston in great working condition. All of our Mercury outboard parts are from freshwater Wisconsin.This piston should fit many Mercury Mariner DFI Optimax 1.5L 3 cylinder outboards with 75, 90 and 115 Hp from 2004 to 2006. It may fit more than this. Please research your application or ask us. It is your responsibility to make sure this is the correct part for your application.