Briggs & Stratton Cover-Blower Housing 594550 Genuine OEM. This is a Genuine OEM Briggs & Stratton part. This shroud (part number 594550) is for lawn and garden equipment engines. Shroud 594550 covers and protects the engine. Wait until the engine is cool before installing this part. Wear work gloves to prot... - Briggs & Stratton Cover-Blower Housing 594550 Genuine OEM.