Old Part Numbers: 9051122OEM Regulator (Pressure Reducer) Assembly. The regulator controls the amount of air to your air compressor hose. Replace this if you're not able to adjust the PSI to your hose or if it leaks. 

Adjustable air pressure knob assembly (gauge sold separately). Note: Make sure that your original regulator looks like this part prior to ordering. Click here to view a great instructional video on the installation of the RegulatorVideoCheck out the...

This can be used for the internal regulator parts. Simply remove the internal parts via putting a wrench on the flats under the knob. Swap this out with the defective internal parts of the 9051170. Throw away the die cast housing that you removed the...

Replacement Air Regulator for the AIRBOSS air compressor.  The regulator controls the amount of air in your air compressor hose. Replace this if you're not able to adjust the PSI to your hose or if it leaks.