2 Barrell Carburetor Base Gasket | Volvo 3853283 Mounting gasket for DeMon and Holley 2 barrell marine carburetors found on many Volvo Penta 4 cylinder and V6 marine engines. Carburetor mounting gasket For various Volvo Penta 3.0GL and 3.0GS models with Holley 2 barrel carburetors For Volvo Penta 4.3GL-P, 4.3GL-J, 4.3GL-JF models with DeMon carburetors Original Volvo Penta Replaces OMC/BRP 3853283