Diaphragm Pump Repair Kits

ARO offers a complete line of repair kits to keep your diaphragm pump operating at peak efficiency and maximize its life span.

NEW Long Life PTFE Fluid Repair Kits

ARO Repair Kit Finder

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Fluid Section Repair Kits


Authentic ARO® Fluid Section Kits are the only replacement kits you can count on to restore your ARO equipment to its original performance and quality. They include the following necessary replacement parts to repair the worn fluid section of an ARO air operated diaphragm pump. If check ball seats are damaged, then they will need to be purchased seperately.

Repair Kit Contents: 

  • Set of Diaphragms
  • Set of CheckBalls or (Flaps/Cones)
  • Inlet/Outlet Manifold O-Rings
  • Connecting Rod O-Rings & Other Needed O-Rings
  • Key-Lube Grease Packet
  • Operator Manual with Detailed Repair Instructions

A full range of diaphragm and ball check materials are available to meet the needs for every industry and application.

Air Section Repair Kits


EXP Series Air Section Service Kit includes gaskets, 'O' rings, 'U' cups and the Simul-Shift® valve guaranteeing an ultra-positive, reliable shift signal that avoids stall-out.

PRO Series Air Section Service Kit includes the proper gaskets, 'O' rings and 'U' cups needed to complete standard maintenance repair.

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