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 the right side, you will need to flip the valve plate...

Old Part Numbers: 6229020500, 2881000This handy maintenance kit includes one plastic air filter housing with element and screws for the B2800/B3800 pumps, and one (1) quart of high-quality synthetic blend lubricant to keep your air compressor running...

Old Part Numbers: 6229020500, 2881000This handy maintenance kit includes a plastic filter housing with element and screws for B2800/B3800 pumps, and one (1) quart of high-quality full synthetic lubricant to keep your air compressor running like a...

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: 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...

Air compressor pressure switch, 100 PSI cut-in/130 PSI cut-out, 4 port, PSMDR21130 style. Replace the pressure switch if the unit doesn't cut on or off at the designated pressure the unit is set for. Note: This switch can be set for a maximum of 160...

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...