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NEW Nilfisk Hot Pressure WashersPressure WashersMachine Parts by BrandPumps & SparesPopular High Pressure HosesHose ReelsNozzlesPressure Washer TriggersUnloader ValvesInterpump Service KitsMarco OCK1 oil transfer kits built around the UP3/Oil gear pump, available as the OCK1, part number 164.930.12, and the OCK1-R with a switch, part number 164.932.12. The kits offer reversible flow, come with hose and tubes, and handle fluids up to 85°C. Check the part number before ordering.