Description FITS ALL MUELLER 1.5 hp TANK WASHER PUMPS Save by buying the parts in a kit! 3 piece kit includes M-8826174 - 5 inch diameter impeller M-31324 - O-ring for impeller M-3909 - shaft seal assembly M-30691 - housing gasket Shaft Seal, housing gasket and impeller available separately Kit assembled by Hamby Dairy Supply LLC Made in USA Original Parts by Paul Mueller Co Related Items; M-8823666 - 1.5 HP OEM Wash Pump Motor (Stainless Steel) M-30945K Diaphragm for Mueller-Matic Fill & Drain Valve M-92847 Fill & Drain Valve for 300 to 700 gallon bulk milk coolers M-92848 Fill & Drain Valve for 800 to 1500 gallon bulk milk coolers M-92860 Fill & Drain Valve for 1600 to 2000 gallon bulk milk coolers updated December 2025