NuAir / Fini

Old Part Numbers: 4116091337Complete B3800 replacement air compressor pump assembly includes flywheel, sight glass, oil breather, and air filter (no aftercooler). 3 - 5 HP. Note: This pump has a...

NS18S Air Compressor Pump Replacement, Complete Assembly with Aftercooler, Single-Stage, 3 - 5 HP. Same as B3800 except it includes aftercooler and flywheel. Aftercooler must be used...

Air compressor check valve (one-way valve). If the compressor leaks constantly AFTER the unit shuts off, replace this part. The check valve is a one-way valve that prevents air from back-feeding from...

Old Part Numbers: 9428120Piston ring and gasket set for the B2800 / B3800 / NS18S air compressor pump. NOTE: Includes rings for both pistons.

Old Part Numbers: 1312100119Replacement B2800 pump with LEFT-HAND discharge. Inline twin-cylinder, single-stage, aluminum w/ steel sleeves. 10 CFM @ 1,400 Max RPM. If your discharge is on...

Old Part Numbers: 9428080Aftercooler kit includes the aftercooler, bolts, and gasket.

Air compressor cylinder sleeve. Replace if scarred or if you can see any light in between the cylinder wall and the piston ring.

Upper plastic cover for air compressor motor.