The Volvo Penta Impeller Pump Cover Gasket (840385) is designed to provide a reliable, watertight seal between the impeller pump cover and the pump housing . Product Type Impeller pump cover gasket Volvo Penta OEM / Reference Number 840385 Installation Location Between the impeller pump cover and the pump housing Compatibility Suitable for Volvo Penta engines: MD Series MD2010 MD2020 MD2030 MD2040 MD17 MD11 D1 Series D1-13 D1-20 D1-30 D2 Series D2-40 D2-50 D2-55 D2-60 D2-75