- To suit E3B2121 pumps
Interpump Spares, Parts
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Piston D.22X42 (E3B2121)
We stock a wide range of genuine, original parts supplied by the Interpump Group that are suited to a variety of Interpump pumps.
£29.50 Ex VAT
Large Fuel Filter (P556245)
K1 Unloader 250 Bar 41lpm (K1)
3/8F Black Hose End
1/2-3/4 Bell Suction Filter
Chemical Pipe Plug
4500 PSI 40 LPM Unloader Valve
Unloader & Press Switch Complete
Brass Chemical Filter
Brass Chemical Jet (BCJET)
EL1212
Eco Inlet Hose (Per Mtr)
3/4F Y Inlet Water Filter 



