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 pum... - Briggs & Stratton Connector-Hose 799158 Genuine OEM.