A top quality oil pump separator. This oil pump separator may not be the cheapest around, but it is well made, high flow and will handle fluids that would destroy the internals of some other pumps separator.
Fit for KT17 KT19 M18 M20 MV16 MV18 MV20 Engine.
Fuel Pump For 5255901, 5255901-S, 5255902, 5255903-S, 52 559 01, 52 559 01-S, 52 559 02, 52 559 03-S, 5255901 520-568 Ariens 20578900
Please compare your old products with the pictures and product description carefully if you are not sure if it will fit.
Fitment:

KT17 17HP Engine Fuel Pump

KT19 19HP Engine Fuel Pump

M18 18HP Engine Fuel Pump

M20 20HP Engine Fuel Pump

MV16 16HP Engine Fuel Pump

MV18 18HP Engine Fuel Pump

MV20 20HP Engine Fuel Pump
Reference Part Number:

52-559-03-S

52-559-01-S

52-559-02-S

Size: 64mm x 62mm x 50mm/2.52inch x 2.44inch x 1.97inch(L*W*T)

Distance Installation Hole: 39mm/1.54inch; Diameter Installation Hole: 6.7mm/0.26inch