Old Part Numbers: 2840050Air compressor valve plate assembly includes the valve plate with preinstalled valves, head gasket, and cylinder gasket. If air leaks out of the intake filter or if the compressor just isn't performing like it should, order this...

Old Part Numbers: 9428090, 1070200Gasket kit includes head gasket, inner valve plate gasket, cylinder gasket, crankcase gasket, aftercooler gasket, and bearing carrier gaskets for B2800/B3800 air compressor pumps. If the compressor pump doesn't seem to...

Old Part Numbers: PACP434, CV4x4TA1/2" FPT x 1/2" MPT. If your pressure switch is leaking out of the small bleeder valve on the side or if located underneath, order this valve.

Old Part Numbers: 6229020500, 2881000Plastic style air filter assembly. Includes the filter housing and element, plus screws for B2800/B3800 pumps. Replace every 3-4 months if the air compressor is used frequently. A dirty filter can cause damage to the...

Old Part Numbers: SRV250150Air compressor safety relief valve, 1/4" MPT, 150 PSI, ASME. If your valve leaks below the pressure listed on the side of the valve, replace this vital safety feature.Specifications MPT Inlet: 1/4 in. FPT Outlet: 3/8 in. Preset...

Old Part Numbers: PSMDR21130Air compressor pressure switch, 100 PSI cut-in / 130 PSI cut-out, 4 port, MDR21-style with 90-degree quick-connect unloader valve and auto on/off lever. Replace the pressure switch if the compressor no longer cuts in or out at...

Old Part Numbers: 1312100119Replacement B2800 pump with RIGHT-hand discharge. Inline twin-cylinder, single-stage, aluminum w/ steel sleeves. 10 CFM @ 1,400 Max RPM. If your discharge is on the left side, you will need to flip the valve plate and...

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