Sierra Sierra 18-9440-4 25W40 Synthetic Blend Engine Oil 5 Quarts

This 4 cycle oil is blended with premium grade synthetic and mineral based stock combined with superior designed additives formulated for the stress endured by sterndrive and inboard engines. Superior corrosion protection Advanced lubrication for reduction of wear to internal engine components. Outstanding friction reduction and wear protection. Removes thermal breakdown under high RPM's, extreme temperatures and loads. Extensively tested for outstanding performance. About this item Superior corrosion protection Outstanding friction reduction and wear protection. Extensively tested for outstanding performance. Advanced lubrication for reduction of wear to internal engine components. See more product details