PumpLookupPump and motor part numbers
Mains Units

service kit: valves

31952

Valve kit, EPDM (.0220)

Cat Pumps code 31952

In the kit

Part numberDescriptionPosition
48363Backup Ring, Valve Seat162
701493O-Ring, Valve Seat163
44612Seat, Stepped164
44108Valve166
44109Spring167
44728Retainer, Spring168
44729Washer, Spring Retainer170
701494O-Ring, Valve Plug172
48364Backup Ring, Valve Plug173

Kits per pump: 2.

Fits these pumps

Cat Pumps 35 Frame 8

35203521DHS3527HS3531CHS3531DHS35353535HS3537HS

Cat Pumps 38 Frame block-style 2

3821HS3831HS

Cat Pumps 68 Frame block-style 2

68316835