Sierra - 25W40 FCW 4-Cycle Stern Drive Engine Oil - 5 Quart - 9400CAT4 Sierra Marine Fuel Filters Features the precision and comfort

Features the precision and comfort of 4 turns lock-to-lock with a cable and helm that installs easily from behind the dash

and this cleaner provides long-lasting protection against salt air

Lenco's ballscrew design is more reliable

Constructed with a durable marine-grade tri-laminate cover

Seals out moisture and makes reconnection easier

Sierra - 25W40 FCW 4-Cycle Stern Drive Engine Oil - 5 Quart - 9400CAT4 Sierra Marine Fuel Filters Features the precision and comfortSierra NMMA FC W Catalyst Compatible Oils have been specifically designed to meet the unique requirements of modern four stroke recreational engines with or without emission catalyst systems. Since recreational engines are often used in extreme operational and environmental conditions, robust oil is required to provide adequate protection. Utilizing premium base stocks and industry leading additive technology, Sierra Catalyst Compatible Oils excel.