PumpLookupPump and motor part numbers
Mains Units

service kit: extraordinary maintenance

1.905-628.0

Plunger, 20 mm

Hawk code 1.905-628.0

In the kit

Part numberDescriptionPosition
No own numberPlunger nut43
No own numberO-ring 2037 – NBR7044
No own numberBack ring OR203745
No own numberPlunger Ø2047
No own numberPlunger washer48

Kits per pump: 3.

Fits these pumps

Hawk GPX 4

GPX2560SLGPX2560SRGPX3060SLGPX3060SR