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.

Set of Diaphragms
Set of Check Balls 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

ARO PD05P-X-X-B Diaphragm Pump Maintenance and Repair.