17059298 Rochester marine carburetor. Made specifically for Volvo Penta Marine. 5.0 liter (305) and 5.7 liter (350). Fuel inlet comes straight into the front of carburetor. There is an electric choke and a Throttle head bracket that is attached to the shaft of the carburetor and is specific for Volvo marine. Core must be exact same number in order to receive core credit. Carburetor will be shipped without throttle head so remove throttle head on carburetor when returning the core.