Quicksilver 2815Q1-3PK Premium 2-Cycle Outboard Oil - 1 Gallon Jug, (Case of 3) Exceeds TC-W3 standards Reduces rust and corrosion of internal components Meets all outboard and personal watercraft manufacturers' recommendations for use of TC-W2 and TC-W3 oils in pre-mix or oil-injected 2-cycle applications Provides warranty protection for Mercury, Mariner, Force and Sport Jet 2-cycle engines