The AUTOMANN SAE 20W50 extreme duty marine engine oil features enhanced viscosity designed to ensure engine stability and performance across various marine conditions. Its advanced additives are formulated to reduce engine wear and, even under extreme duty cycles. With superior oxidation resistance, the oil prevents breakdown and consistently maintains lubrication quality. High detergency helps keep engines clean by minimizing deposits and sludge formation. Additionally, rust and corrosion inhibitors provide essential protection for engine components in harsh marine environments.