Major Rebuild kit for S & J Vacuum Pumps


Select Voltage and Duckbill Valve size!

All S -series (S-pump, VG2 & 3) Pumps require 1.5″ duck bill valves. (Fleetwood RV’s, 1.5″ Duckbills and 12Volts)
All J-series (VG4s) Require 2″ duckbill valves.


Simplify the process of your generator rebuild when you use the Major Rebuild kit for S & J Vacuum Pumps. We have compiled all of the parts needed to rebuild any S or J-Series pumps and vacuum generator. This kit is available in different voltages and with different duckbill valves. The Major Rebuild kit for S & J Vacuum Pumps is a popular option for heavy cruisers and fill timers.

Parts Included

  • 1-12 Or 24-Volt Whisper Motor
  • 1-Bellows and Bellows Chocks
  • O-Ring Kit
  • Motor Hardware as well as Bellows Shoulder Bolt
  • 4 Duckbill Valves (Select Size)

Additional information

Weight 7 lbs
Dimensions 10 × 6 × 6 in
Duckbill Size

1.5" Duckbill Valves, 2" Duckbill Valves

Motor Voltage

12 Volt Motor, 24 Volt Motor