919.165221 #01B0CE

Unloader Valve - YES (Multiposition) On/Off Switch - YES OEM Model 4-port (1/4" FPT) Replace the Pressure Switch if the unit doesn't cut on or off at the designated pressure the unit is set for. If the unloader valve is leaking on the side (or...

125 Volt

Old Part Numbers: Z-AC-0032, AC-0032Valve plate comes with preinstalled valves and o-rings. Poor performance or air leaks out of the intake filter while the unit is running? This is probably the problem. 

Old Part Numbers: AC-00149" (2 used)

Compression ring, head o-ring, and valve plate o-ring. This tends to be a high wear part, especially if you are in a high particulate environment. Also, order the cylinder when buying this part as the two wear together. 

Old Part Numbers: CAC-4290, CAC-4290-1, CAC-4290-3, AC-0325-1, 889093If your pressure switch is leaking at the unloader valve, then replace this part.

2.10L X 1.80W X 0.30H (1 is used).

Old Part Numbers: CAC-1372Protect your pump from damage by keeping clean or replacing.

Old Part Numbers: AC-0558

Craftsman.