ARO Fluid End Repair Kit: Fluid End Repair Kit, 637161-4B-C, Santoprene
SKU 3G-OTH-88544
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the ARO Fluid End Repair Kit 637161-4B-C used for?
The ARO Fluid End Repair Kit 637161-4B-C is used to rebuild the fluid section of ARO diaphragm pumps. It contains Santoprene and PTFE components to restore pump performance in industrial applications such as chemical transfer, paint spraying, and fluid handling where corrosion resistance is required.
What are the specifications of the ARO Fluid End Repair Kit 637161-4B-C?
The ARO Fluid End Repair Kit 637161-4B-C has manufacturer part number 637161-4B-C. It includes Santoprene and PTFE seals and diaphragms designed for ARO diaphragm pumps. The kit provides the necessary components to rebuild the fluid end, ensuring leak-free operation and compatibility with aggressive fluids.
Where to buy the ARO Fluid End Repair Kit 637161-4B-C worldwide?
You can source the ARO Fluid End Repair Kit 637161-4B-C worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this ARO repair kit.
How to install the ARO Fluid End Repair Kit 637161-4B-C?
To install the ARO Fluid End Repair Kit 637161-4B-C, first depressurize and drain the pump. Remove the old fluid end components, clean all mating surfaces, and install the new Santoprene and PTFE parts per ARO's service manual. Torque fasteners to specification and test for leaks before returning to service.
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.












