PumpLookupPump and motor part numbers
Mains Units

service kit: seal kits

31257

Seal kit, FFKM (.0770)

Cat Pumps code 31257

In the kit

Part numberDescriptionPosition
703586O-Ring, Plunger Retainer97
76298Seal, Low-Pressure with SS-Spring106
48220Seal, High-Pressure with SS125
701851O-Ring, Adapter, Low-Pressure Rear143
703588O-Ring, Adapter, Low-Pressure Front154
702962O-Ring, Adapter, Valve155

Kits per pump: 1.

Fits these pumps

Cat Pumps 25 Frame 4

25302530E25312537