Moeller Fluid Extractor Marine Oil Change Pumps In 5.0L and 7.0L Moeller Marine is an innovator when it comes to marine products that help keep your boat running and help make maintenance and repair jobs easier. When it comes to removing liquids such as oil and water from hard-to-reach areas such as bilges, the Moeller Fluid and Oil Extractor Pump is engineered to help in these tough situations. The Moeller fluid extractor pump comes in 5.0 Liter or 7.0 L sizes and is designed with a dual-action