Briggs & Stratton Connector-Hose 799158 Genuine OEM. This is a Genuine OEM Briggs & Stratton part. This fuel pump vacuum hose (part number 799158) is for lawn and garden equipment engines. Fuel pump vacuum hose 799158 connects to the engine crankcase to pull the vacuum on the fuel pump diaphragm to pump fuel to the carburetor. Disconnect the spark plug wire before beginning the repair. Work in a well-ventilated area and wear work gloves to protect your- Briggs & Stratton Connector-Hose 799158 Genuine OEM.