Sierra 18-7749 Mercruiser Carburetor KitSierra Marine carburetor kits utilize superior ethanol resistant materials and unsurpassed quality control. All Sierra Marine engine parts are manufactured to meet or exceed OEM requirements. Fits Weber Carburetors; Interchangeable with: Carter/Weber; 9661; 9770; 9781; 9770SA; 9781S; Mallory; 9-37640; Mercruiser Stern Drive; 809065; 823728; 835076; 8M0120192; 811531; 8M0120196; 8M0120197;