PumpLookupPump and motor part numbers
Mains Units

service kit: extraordinary maintenance

1.904-452.0

Plunger Ø18

Hawk code 1.904-452.0

In the kit

Part numberDescriptionPosition
No own numberPlunger inox screw47
No own numberBonded seal48
No own numberPlunger49
No own numberCopper spacer50

Kits per pump: 3.

Fits these pumps

Hawk MPX 500 4

MPX2550LMPX2550RMPX3050LMPX3050R

Hawk MPX Heavy Duty 4

MPX2550EBLMPX2550EBRMPX3050EBLMPX3050EBR