IRF420 Pump - Type 0 #01AA42

Order this if ordering valve plate or a new head.

New style filter assembly with 3/8" threads. Includes new style air filter, head, and o-ring. Note: Do NOT order if your head has 2 holes on the SAME side of the head. This head has 3/8" FPT threaded ports on both sides. If your head has a 3/8" port...

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: KK-4835, CAC-118, 889124, 889125, 891125, AC-0788, CAC-1118, D25009, D25837, CAC1118, CAC118, CAC-249, CAC-249-1, A02743, K-0651, KK-5081, 889124 889125 891125 AC-0788 CAC-1118 D25009 D25837 CAC1118 CAC118 CAC-249 CAC-249-1, D35076,...

Old Part Numbers: K0058, K-0058, K0650, K-0650 Sears 919.16014, 91604, K-0650Compression ring replacement kit includes the cylinder, piston ring, retaining screw, o-ring, and head o-ring. Restores compression. Note: Does not include connecting rod/piston...

O-ring for air compressor valve plate. Used with original style valve plate.SpecificationsO-ring measures 2.759"/2.719" ID

Old Part Numbers: 69DCAUnloader valve used on many Furnas/Hubbell brand air compressor pressure switches; includes the unloader valve with compression nut and sleeve, and screw. Replace this part if it leaks while the unit is running. If this part leaks...