Master Tool Repair

Old Part Numbers: 165-0064Overhaul Kit for the SC23 in-line, two-stage air compressor pump. Includes: two LP Intake Valves, one HP Intake Valve, two Exhaust Valve Assemblies (HP/LP), one Oil...

B4900 Head Gasket Kit. Kit includes the head gasket, inner valve plate gasket, cylinder gasket, two intercooler gaskets, and discharge tube adapter gasket (total of 6). A little silicone gasket...

Cut the center rib from the top Head Gasket when installing. Includes 22, 43, (2) 46, 50. If the compressor pump doesn't seem to pressurize as quickly as it should or is leaking in between the head,...

Includes Valve Plate Assembly with both gaskets and two (2) felt filters. Restore compression and keep your new valves in good shape with this convenient kit. Poor performance or does air leak out of...

Four gaskets needed for valve plate and head gaskets.  Note: Two-piece valve plate style only. No returns or refunds. If the compressor pump doesn't seem to pressurize as quickly as it should or...

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

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...

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,...