Service Kit for 3/4 HP Shallow Well Jet Pump Repair, Includes Impeller, Diffuser, Motor Shaft Seal (Mechanical Seal), Diffuser Gasket and Pump Body Gasket - Model 148141 - Amazon.com
Useful information on centrifugal pumps
PDF] Effect of impeller-diffuser radial gap ratio in a centrifugal pump | Semantic Scholar
Impellers and diffusers - Fonderia Augusta
Pentair Swimmey Spare Parts Impeller & Diffuser (Hydraulic Kit) - Pumps from pump.co.uk - W.Robinson & Sons (Ec) Ltd UK
Diffusers-PTO Water Pump | Agri Supply
ESP Impeller & Diffuser
Impeller And Diffuser For ESP - Buy Impeller And Diffuser For ESP Product on Alibaba.com
Explanation diffuser pump advantages over volute pumps - Rodelta