821354A1, 821354A2. 4-Stroke 25HP 30HP 40HP 50HP. 3 Cyl 40hp 50hp. 50hp Bigfoot. 18-3057 Impeller 47-850893. 18-0345 Gasket, Upper Water Pump 27-822189. 18-99155 Gasket, Lower Water Pump 27-822217. Fits the Following Engines.
eBay