624-50000 Fuel Lift Pump, Lister Petter used in the Lister Petter Delta series engines.624 50000 Fuel Lift Pump, This lift pump is the latest up to date pump used on the DWS4 Delta diesel engine. This will be item #19 in the Lister Petter drawing. The DWS4 engine was installed in the Kolberg Pioneer line of dirt screeners, it also saw use in Hydraulic pacs, Hawkpower generators and water pump applications. As an authorized Lister Petter distributor all parts are OEM, not questionable chinese knock offs, it makes a difference. We