Old Part Numbers: ST073919AV, WL012000AV, WL012300AVFilter - All plastic, 1/2" MPT. Uses the 04 element, 2" diameter. Order extra for a backup. Replace this often to keep your pump from damage (especially in dusty environments).

Old Part Numbers: ST012200AVThese screws are currently out of stock at the manufacturer and can not be purchased. 

Old Part Numbers: ST067300AV, HF004500AV

Old Part Numbers: STD-335Also used on models VT627000, VT629100, VT618202 and VT622001

Old Part Numbers: STD-334Note: Also used on models VT627000, VT629100, VT618202, and VT622001

Old Part Numbers: CW210000AV, EV1WSICondor unloader valve for MDR21130 and other popular pressure switches.  Replace this valve if air constantly leaks from the valve while the unit is running, or if you don't hear a burst of air from the valve...

Note: Also used on models WL650103, WL651900, WL650703, WL651004, WL651000AJ.Specifications5/8" long