56507 Bypass Check Valve Kit Pump Western Fisher Plows

New Bypass Check Valve 56507 Kit it is used on a number of Western and Fisher plows.

This kit includes the plug 92960 and oring 26784.

Western - Midweight, Pro Plow, Pro Plus, Suburbanite 

Fisher - Homesteader, LD, SD, MC, HD, HD2, HDX, RD, 

Part # 16 on Diagram as well as B