Sierra 18-9400CAT-7 25W-40 FC-W Catalyst-Compatible Marine Engine Oil, 55 Gallon Drum GROUP+ambassador-marine-aidack-recessed-control-valve-hot-cold-mixer-all-plastic-cup-and-lid Screw Size: 10

Screw Size: 10

Ideal for mounting in flybridge overheads

Two storage pockets with zipper closures

Volume from the stereo’s Settings menu enables audio volume to be automatically adjusted based on your boat’s speed3

and Pixel 8

Sierra 18-9400CAT-7 25W-40 FC-W Catalyst-Compatible Marine Engine Oil, 55 Gallon Drum GROUP+ambassador-marine-aidack-recessed-control-valve-hot-cold-mixer-all-plastic-cup-and-lid Screw Size: 10Sierra 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.