Poor performance or air leaks out of the intake filter while the unit is running? The valve plate assembly is probably the problem. It's recommended to order the newer AB-9429999 retro kit, however, as that is a much-improved design.

Replace if worn or cracked. You might want to order an extra of this part. Click Here for installation tip

Old Part Numbers: AB-9011004Also available in the A610101ConRodKit, A710100ConrodKit or A810100ConrodKit. Torx Screw, M5x16 TT.

Washer for the air compressor's connecting rod (conrod) bolt.

Lower half of the plastic shroud that covers the air compressor motor.

Plastic base that the air compressor motor bolts onto.

M6 nut.

Old Part Numbers: 9048025, 90480733-way check valve for air compressors.  If the small unloader (bleeder) valve on or under your switch leaks constantly AFTER the unit shuts off, replace this part. The check valve is a one-way valve that prevents...