Gecko Alliance 91041815-000 2" Wet End For 1.5HP 48 Frame XP2E Pumps. This item is a replacement part for use with Gecko Alliance XP2E Pumps. This is a genuine Gecko Alliance part, designed to provide Gecko Pump owners with the same reliability they have come to expect. Easy to install, Gecko Alliance parts are made with premium materials and can be trusted to deliver high quality performance and efficiency.