Description

Sierra’s 15W-40 Premium Blend Engine Oil is specifically formulated for the heavy duty inboard marine market, including cruiser and towboats. It meets API Service classification up to CK-4 and performance specifications for API service classification SM. Suitable for fuels on any sulfur level. Not for use in gasoline engines equipped with catalytic converters.
Specifically formulated for the heavy duty inboard marine market
Meets API Service classification up to CK-4
Meets the performance specifications for API service classification SM
Suitable for fuels on any sulfur level; Not for use in gasoline engines equipped with catalytic converters
Size: 5 Quart (4.7L)