- 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
W3 Unloader Valve 11-15 LPM
K3 Unloader Valve (1500 PSI)
4500 PSI 40 LPM Unloader Valve
A3812
Eco Inlet Hose (Per Mtr)
3/4F Y Inlet Water Filter
Brass Chemical Filter
L/P Chemical Injector (ROBOKIM2) 



