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...

Air filter assembly without screws. Includes element with housing. Protect your air compressor pump from damage.