ARO Fluid End Repair Kit: Fluid End Repair Kit, 637119-4B-C, Santoprene
SKU 3G-OTH-87667
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Frequently Asked Questions
What is the ARO Fluid End Repair Kit 637119-4B-C used for?
The ARO Fluid End Repair Kit 637119-4B-C is used to rebuild the fluid section of ARO diaphragm pumps. It contains Santoprene and PTFE components to restore pump performance in industrial fluid handling applications such as chemical transfer, paint circulation, and wastewater treatment.
What are the specifications of the ARO Fluid End Repair Kit 637119-4B-C?
The ARO Fluid End Repair Kit 637119-4B-C has manufacturer part number 637119-4B-C. It includes Santoprene and PTFE seals and gaskets designed for ARO diaphragm pumps. This kit is a fluid-end repair kit, not a complete pump assembly.
Where to buy the ARO Fluid End Repair Kit 637119-4B-C worldwide?
You can source the ARO Fluid End Repair Kit 637119-4B-C through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to install the ARO Fluid End Repair Kit 637119-4B-C?
To install the ARO Fluid End Repair Kit 637119-4B-C, first depressurize and drain the pump. Remove the old fluid-end components, clean all mating surfaces, then install the new Santoprene and PTFE seals per ARO's service manual. Torque fasteners to manufacturer specifications.
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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.












