OEM Everflo 1.0 GPM, 12 Volt, Diaphragm Pump EF1000 with 3/8" NPT Ports & Wiring Harness 33-103233. Open Pump Flow: 1.0 GPM. Max Pump AMP: 4.0. Pump Ports Type: 3/8" (9.5mm) NPT. Self Priming up to 4 Feet.
eBay