Jabsco Oil Drain Pump Engine. The Little Pal produces up to 1 GPM (4 LPM) output while the Handy Boy gives up to 1.5 GPM (6 LPM). Both come equipped with hoses connectors and dipstick probes for various requirements. Polished brass hand pump connects directly to engine oil dipstick tube on many popular marine engines such as OMC and Mercruiser. Specifications for Jabsco Engine Oil Drain Pump: Manufacturer: Jabsco Color: Black Features of Jabsco Engine Oil Drain Pump Screws onto threaded male 3/4" garden hose fitting on top of dipstick tube Produces up to 1 GPM (4 LPM) output Complete with 2' of 1/2" ID drain hose Fitting: connection for 3/4" GHT male thread; Dimensions: 10-1/4" long x 1-1/4" diameter. Total pump length: 10-1/4" Package Contents: Jabsco Engine Oil Drain Pump Jabsco 34060-0130: Oil Drain Pump Engine