4B239A #01B428

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: 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: BG218700AVNote: Order this item for Model VT631800 and VT629102

Old Part Numbers: BG218800AVNote: Order this item for Model VT631800 and VT629102

Old Part Numbers: 1R398, TQ900700AJThis kit will NOT fit pumps with 3" Piston! For v-twin pumps, order qty. 2 for a complete ring set! Includes rings for both pistons. This kit contains two different style rings. Install rings that match the ones being...

Note: order this item for models VT615208 and 4B239B.

Old Part Numbers: TQ011300AJ, TQ900400AJ, VT470800AJIncludes the Valve Plate with Valves installed, upper and lower Gaskets ONLY. This replaces part numbers TQ011300AJ, TQ900400AJ and VT470800AJ. Torque to 200 in/lbs. Poor performance or air leaks...

Old Part Numbers: VT470900AJFor newer style pumps that have these style gaskets. Includes Crankcase gasket, Cylinder gasket, Valve Plate O-ring gasket, Bearing Cover O-ring and Oil Seal.

Old Part Numbers: PU015400AG

Old Part Numbers: VT-55, VT005501AGReplace this if the rings do not rotate freely in their grooves. Note: Kit does not include rings