4YN50A #01B305

Old Part Numbers: VT470401KB, VT472200AJ, VT490000AV, VT471400AJ, VT232605KB, VT470000KB, VT490000SJ, VT470000AJ, VT4723Has a 55mm stroke. Campbell Hausfeld VT2030, VT4723, VT4923 Twin Cylinder 3.7HP VT Pump. Recommended for 240V and gas units. Same...

Old Part Numbers: MC013200AV, MC05502SJ, MC015500AJ, MC015502AJ, MC015502SJ, MC015502IP, MC019800IP, MC019800SJ, MC035601AV, MC027800AJ, MC035601AJ, MC035602SJ, MC018000IPFits model # VT629100 and others. 3450 RPM. See Specs for more info...

Old Part Numbers: VT482200AJ, VT480000KB, VT480000AV, VT481400AJ, VT470200KBHas a 38mm stroke. Used on 120V Electric units. Note: New style pump has only one airline coming off of the pump head. Order the CTD1238ADAPTKIT if your old pump...

Old Part Numbers: PU015900AG, PU015900AJ, PU015900AV

For pumps that end in AV ONLY!! Includes crankshaft, bearings, pistons, rings, conrods and pistons. Note: Does not fit the VT490000AV pump.

Front air filter cover. Uses element ST163100AV. Use VH901700AV to replace entire assby.

Old Part Numbers: VT-4, VT252901AJ, VT273200AJOrder this kit for older VT pumps using this style gasket Kit includes: head, bolts, filter, gasket, tube, etc. Note: New style pump head has only one air line coming off of pump head. If your old pump had 2...

Our compression adaptor kit converts the new single outlet pump head into 2 outlets. This will save you from having to purchase the expensive check valve for many older style units. Simply screw this into the head of your new pump and then screw the 1/8"...

Old Part Numbers: CW210000AV, EV1WSICondor unloader valve for MDR21130 and other popular pressure switches. Click here for other unloader valves.Requires 1/4" nylon tubing.

Old Part Numbers: CW209000AJ, CW208800AJFor models with line cord and plugs. 100 PSI cut-on, 135 PSI cut-off, w/ 90 degree unloader valve, 4-port manifold, on/off switch.Extra DetailsIf the 90-degree unloader valve leaks (where the 1/4" bleeder line...