PumpLookupPump and motor part numbers
Mains Units

service kit: seal kits

31638

Seal kit, HT (.3000)

Cat Pumps code 31638

In the kit

Part numberDescriptionPosition
46730O-Ring, Plunger Retainer98
43305Seal, Low-Pressure with S-Spring106
13978O-Ring, Seal Case121

Kits per pump: 1.

Fits these pumps

Cat Pumps 5CP 5

5CP2120W5CP2140WCS5CP2150W5CP61205CP6120CS