Jabsco Engine Cooling Pump 2620-1103.Flange mount – 3/8″.FeaturesFull camTwo single row ball bearingsEasy to service and maintainInexpensive to buy and operateHandles hard and soft solids without cloggingCan pump in either directionWill not airlockConstructed from marine quality bronze and stainless steel for ruggedness and reliabilitySpecificationsPort type: NPTBearing type: Sealed ballSeal type: Lip sealPort size: 3/8″ (10 mm)Self-priming: Up to 10′ (3 m)Output: 5.8 GPM (22 LPM)Length: 3 15/16″ (10 cm)Width: 1 3/4″ (4.4 cm)1 7/32″ (3.1 cm)Weight: 2.75 lb (1.3 kg)Materials of ConstructionBody material: BronzeImpeller material: NitrileShaft material: 316 Stainless steel