Specialists in Looking After the Vital Elements of your Engine. MarShip manufacturers products that clean the Air, The Fuel and The lubricating oil. Look after these elements and the engine maintains it's designed fuel consumption. 30 years marine experience and a team dedicated to ensuring your diesel engine runs efficiently. We’ve solved the diesel bug problem with our Diesel Dipper and saved our customers 70% on their oil spend alongside eliminating cleaning Air Coolers. It’s about listening and providing innovative solutions. We look after the vital components of your engine. Air - Fuel- Oil.