MAT - EDI

New piston/cylinder rebuild kit includes the piston/rod assembly with compression ring, cylinder sleeve, and o-ring. Replacing the cylinder sleeve and piston ring usually restores compression in...

This assembly includes items 5 & 7. Poor performance or air leaks out of the intake filter while the unit is running? The valve plate assembly is probably the problem.

Old Part Numbers: ST067300AV, HF004500AV

Pump running, but not at correct speed? Could be a bad run capacitor. Please note: Capacitors can not be returned for a refund unless proven to be defective.