ARO 637140-EB Pump Repair Kit 316 Stainless Steel
Diaphragm pump repair kit in 316 stainless steel with Santoprene components including balls, diaphragms and seals
- 316 stainless steel construction resists corrosion
- Santoprene diaphragms handle aggressive fluids
- Kit includes balls, diaphragms and seals
- Direct replacement for ARO 637140 pump
ARO 637140-EB Pump Repair Kit
This kit restores ARO diaphragm pumps with components manufactured from 316 stainless steel. It supplies the balls, diaphragms and seals required for a complete rebuild. Technicians servicing fluid-transfer systems use it to return a worn pump to reliable operation.
Fits ARO pump models using the 637140 kit
The repair kit replaces internal wear parts so the existing pump body stays in place. No additional fittings or housing modifications are needed during installation. It frees the operator from sourcing individual seals or diaphragms separately. Buyers needing a different material specification or a kit for a non-ARO pump should verify compatibility before ordering.
How it compares
Measured against everything we stock in Engine Parts, Chassis & Socket Sets, at today’s prices. Recalculated every night.
- Price $102.99
- Pricier than about 65% of the 231 comparable items (median $62.99).
Specifications
| Product | |
|---|---|
| Brand name | ARO |
Questions about this item
What material limits the repair kit's durability under sustained chemical exposure?
The 316 stainless steel construction resists corrosion from aggressive fluids during continuous operation.
How does the kit manage heat buildup during all-day pump cycling?
Santoprene diaphragms and seals maintain flexibility and sealing integrity across the temperature ranges typical of extended diaphragm pump duty cycles.
More in Engine Parts, Chassis & Socket Sets





