ARO Fluid End Repair Kit: Fluid End Repair Kit, 637303-AA, Santoprene
SKU 3G-OTH-88758
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Frequently Asked Questions
What is the ARO 637303-AA fluid end repair kit used for?
The ARO 637303-AA fluid end repair kit is used to rebuild the fluid section of ARO diaphragm pumps, restoring sealing and flow performance in industrial transfer, chemical processing, and fluid handling applications.
What are the specifications of the ARO 637303-AA fluid end repair kit?
The ARO 637303-AA fluid end repair kit includes Santoprene components and is identified by manufacturer part number 637303-AA. It is designed for ARO diaphragm pumps requiring Santoprene wetted parts for chemical compatibility and durability.
Where to buy the ARO 637303-AA fluid end repair kit worldwide?
3G Electric supplies the ARO 637303-AA fluid end repair kit worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you receive genuine ARO parts for your pump maintenance needs.
How to install the ARO 637303-AA fluid end repair kit?
To install the ARO 637303-AA fluid end repair kit, first depressurize and drain the pump. Remove the old fluid end components, clean all mating surfaces, then install the new Santoprene seals and parts per the pump manual. Torque fasteners to specification.
Used in
Common applications for AROARO Products
3G Electric supplies ARO aro fluid-end repair kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













