This allows you to drain the oil from your pump.

For the B3800 model air compressor pump. Includes crankcase bottom, crankcase gasket, screw, and washer. Remember to tighten the bolts down to the proper torque specs as noted by the manufacturer (which is 44.25 in/lbs)

Old Part Numbers: DT031, DT022Discharge tube from the pump head to tank. NOTE: The 1/2" Compression sleeves and nuts NOT included. Must be cut to size for proper installation.

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...

Bottom crankcase gasket for B2800 pump. 12-hole style.

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

Old Part Numbers: 9428010 (ea.) For B2800 ONLY. Piston/Rings/Connecting Rod Assy.

For B3800 pump. Kit includes two Piston/Rod Assemblies as well as a complete Gasket Set.