- 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
3/4 Banjo T Strainer
3/8 M 90 1/2 Hose Tail
K3 Unloader Valve (1500 PSI)
Chemical Pipe Plug
Fuel Tank Cap
Unloader & Press Switch Complete
Baynott Fitting Kew Type (SPL5163A)
4500 PSI 40 LPM Unloader Valve 



