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Rebound Products, Inc.

We are manufacturers of replacement pump parts for AODD pumps made by Wilden, Warren Rupp, ARO, and Versa-Matic. We offer these items from our stock in Houston, Texas at considerable discounts from the OEM list price. We are looking for customers who are interested in saving large amounts of money on the maintenance, repair, and operation of their manufacturing equipment.

We will be happy to fill your order with individual parts or a complete "wetted end" kit. For information on price and availability, please call us at the numbers provided.

PTFE Diaphragms

Pump OEMs seem to raise their prices every year. 5% here. 10% there. Since 1999 Rebound Products with its discounted product has been a consistent place to come for high quality, low cost aftermarket PTFE diaphragms.

Pump Products and Accessories:

  • ARO Pump Parts - Rebound offers all sizes of ARO PTFE diaphragms. From 1” to 3”, Rebound carries stock on ARO. In the recent years, ARO has improved on the design of their larger pump diaphragms. The 2” diaphragm takes the shape of an octagon.
  • Wilden Pump Parts - Wilden has been the market leader in air operated double diaphragm pumps. Wilden is deeply committed to the pursuit of excellence, customer satisfaction, research & development and market knowledge.
  • Versa-Matic Pump Parts - Versa-Matic has a bolted style 1” pump. This pump is unique to its clamp-style line of pump. This diaphragm is not interchangeable with any other 1” pump that we know. Rebound Products keeps the V-183-TF diaphragm in stock
  • Warren Rupp Pump Parts - Rebound has a full complement of PTFE diaphragms to fit the Sandpiper line of Warren Rupp pump. When we say full complement, we mean PTFE diaphragms that fit all sizes of pump. from 1” to 4” Rebound Products has it.
  • Yamada Pump Parts - Rebound continues to excel in the design and manufacture or PTFE pump diaphragms with its complete line of Yamada Pump diaphragms. The 2” and 3” Yamada diaphragms are not offered by everyone the aftermarket.
  • Viking Pump Parts - Rebound Products, Inc. offer a wide range of Viking Pump Parts. Ranging from part numbers 2-116-006-880-00 to 3-572-352-012-00 including carbon graphite, bronze, vellumoid and hardened steel materials.
  • KANU Pumps - KANU pumps offer infinitely variable flow & discharge pressure from 0 to pump's maximum by adjusting air pressure.
  • Sureflow Pumps - We carry the complete line of Sureflow Air Operated Diaphragm Pumps. These pumps are available in 1-1/2", 2" and 3" sizes.
  • Graco Wilfit Pumps - All sizes 1” to 3”, all body types, all diaphragm and ball materials. Selected parts are completely interchangeable with Graco.
  • KNOLL Pumps - We are suppliers of KNOLL progressive cavity pumps. KNOLL pumps feature short mean time to repair, suitable for CIP and SIP, pump unit in EvenWall and slight clearance volume.


There are several pumps whose diaphragms can be used interchangeably. We have already identified the similarities in Versa-Matic and Wilden and there is at least one other diaphragm will fit both Warren Rupp and ARO pump; The ARO 93459-4 and the Warren Rupp 286-015-604. These diaphragms are identical. Ask for special pricing when calling for any one of these two diaphragms. These diaphragms are “unmarked” for easier interchangeability.


Rebound guarantees that our diaphragms will fit your pump and will cost less. As we are not in control of the application or media being pumped, Rebound Products does not guarantee diaphragm life. However, from the beginning, these diaphragms were tested in standard conditions and have run as long as or longer than OEM counterparts.

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