Master Tool Repair

Old Part Numbers: ST072321AV, 058-00123/4" compression nut & sleeve (2 required). For air compressor units made before 05/20/1994.

Everything necessary to perform a valvejob (for both pump heads). No unloaders. Also includes gaskets. Includes: 610-1032 - Discharge Valve Assy 610-1031 - Intake Valve Assy 104-1007 - Valve Plate...

B5900/B5000 Valve Plate Assembly. Item comes in 2 separate packages. B5000 and B5900 pump now use the same valve plate. Poor performance or air leaks out of the intake filter while the unit is...

1/2" transfer tube and 1/2" compression nuts & sleeves for air compressors. Note: Item may be aluminum or copper.

MADE TO ORDER. This kit allows you to remove the aftercooler that comes with the new B5900 pump and install this adapter kit. Simply remove the aftercooler, clean off the gasket material,...

Everything necessary to perform a valvejob (for both pump heads). No unloaders. Also includes gaskets.

Due to obsolete old air filter assembly, a new head, a valve plate assembly with gaskets and a filter assembly are required. This kit includes all of the below components to convert to the new air...