Old Part Numbers: VT041703AJ, VT041703AVOil Dipstick with o-rings for the pump crankcase, plastic, grey. Note: Dipstick model for 'push in' type crankcase.

Old Part Numbers: SRV250150Air compressor safety relief valve, 1/4" MPT, 150 PSI, ASME. If your valve leaks below the pressure listed on the side of the valve, replace this vital safety feature.Specifications MPT Inlet: 1/4 in. FPT Outlet: 3/8 in. Preset...

Old Part Numbers: ST073919AV, WL012000AV, WL012300AV Filter - 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: ST070191AV-MATO-ring for the main air tank bushing on an air compressor (where the drain valve is).

Old Part Numbers: 3168Air compressor pressure switch/manifold pipe plug, 1/4"-18 male NPT. A very common hex plug used on countless air compressors, this 1/4" NPT countersunk hex plug installs into any fitting or manifold that has an extra 1/4" female...

Plastite screw, 5/8" long. Screw for the plastic shroud, belt guard, etc. Note: Also used on models WL650103, WL651900, WL650703, WL651004, WL651000AJ.Specifications5/8" long

Old Part Numbers: CW210000AV, EV1WSI Condor 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 as...

Old Part Numbers: PM004904AVKey for Flywheel, 3/16" x 1" length. Replace this if missing to keep your flywheel securely on the pump shaft.