We recommend ordering the gasket kit, as it will save you money and will ensure that you have all of the head gaskets. We always recommend replacing all head gaskets at the same time, as the other gaskets will have been compromised once the head is...

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.   Important: This pump has a LEFT-side discharge. If...

This allows you to drain the oil from your pump.

Gasket valve plate inner gasket for air compressors. Gasket sits between two plates. We recommend ordering the gasket kit, as it will save you money and will ensure that you have all of the head gaskets. We always recommend replacing all head gaskets at...

Old Part Numbers: 9053853-NUNOTE: the end of this drain tube is threaded, so the drain plug can thread into the end of it.

Kit for one service on pump. Kit includes one plastic style air filter and 1 Qt. of 30W compressor oil. NOTE: Not for NS18S pump, which uses a different (round) air filter.

This handy maintenance kit includes one air filter element for the B3800/B4900 air compressor and one (1) quart of high-quality fully synthetic lubricant to keep your air compressor running like a champ! Replace the air filter every 3-4 months if the air...

Old Part Numbers: 9428080Aftercooler kit includes the Aftercooler and Gasket. NOTE: Does not include the bolts, order separately.