part 43957 Plunger (M32 x 145) Cat Pumps code 43957 Details Cat Pumps number43957 DescriptionPlunger (M32 x 145) Qty per pump3 Fits these pumps Cat Pumps 35 Frame 5 35203521DHS3527HS35703570S Cat Pumps 36 Frame 3 3621X3621XD3622X Cat Pumps 38 Frame block-style 1 3821HS Cat Pumps 68 Frame block-style 1 6821