Replacement B5900 pump - Includes flywheel, aftercooler and air filter. This pump comes with an aftercooler (see picture). Aftercooler MUST be used. If your pump does NOT include and aftercooler, you will have to find a new supply tube from your pump to the tank.

Same as B3800. Includes aftercooler, flywheel and air filter. Aftercooler must be used.

For 5 to 6.5 HP units. New Pump with felt air filter to replace original pump. Flywheel NOT included. Simply swap out flywheel, add oil and run.
 

NOTE! New style pump has 1/4" FPT & 1/8" FPT outlet ports in head (Your old head may be 1/2" and will need an adapter or simply order a short block and use your old head and flywheel).

OEM replacement Pump. This Pump operates with either a 7.5 HP Electric Motor or a 13-14 HP Gas Engine. Note: This replacement pump is a splash lubricated pump (original pump was a pressure lubricated pump). If you have questions, call our sales department.

This pump is used for 240V and gas units. Has a 55mm stroke. Campbell Hausfeld VT2030, VT4723, VT4923 Twin Cylinder 3.7HP VT Pump. If you have a 120V unit, use the VT4823 pump. Same pump as VT490000SJ, but WITH flywheel, Note: New style pump has only one air line coming off of pump head. If your old pump had 2 lines, order parts MP513901SJ and CV221800AV, too. Click here to view video.

• Rated for heavy-duty commercial use in new or replacement applications
• Stainless steel valves for long life
• 175 Maximum psi
• Oil level sight glass for easy checking
• Designed for 80/20 duty cycle
• Low pump RPM
• 16.6 free air CFM at maximum pressure
• 700 pump RPM
• Two quart oil capacity
• Flywheels have two grooves for B-section belts

Click on the 'Specs' tab for more info.

Has a 55mm stroke. For Gas-powered and 240V Electric units only! PLEASE NOTE! This is the replacement pump for VT470000KB/AV. This pump replaces any version of the "VT4700" 3.7HP series pumps.
The VT4923 replaces this pump.

Note: New style pump has only one air line coming off the pump head. 

If your old pump had 2 lines, order parts MP513901SJ and CV221800AV as well.

New DAYLEAP Pump Assembly.

Important!: Please identify the pump as an UNOAIR or DAYLEAP type pump when ordering. DAYLEAP pump does not include a flywheel (Click Extra Details for more info).

16.0 CFM at 40 PSI & 14.0 CFM at 90 PSI