part 49743 Spring, Large, Coil Cat Pumps code 49743 Details Cat Pumps number49743 DescriptionSpring, Large, Coil 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