Sierra Part #18-9530-7
For Mercury Marine/OMC/Yamaha engine
Sierra TC-W3 synthetic blend oil. This high performance lubricant has been manufactured and designed to meet and exceed all manufacturers' warranties. Ideal for oil injection systems or pre-mix applications. Significantly reduces aquatic toxicity to fish. Also reduces ring sticking, deposit formation, and exhaust port blockage. Less friction will then allow easier starting. 55 gallons. Sierra Part #18-9530-7.
OEM Part Numbers:
Mercury Marine: 92-858039K01