ARO Fluid End Repair Kit: Fluid End Repair Kit, 637427-GG, Buna-N
SKU 3G-OTH-89983
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Frequently Asked Questions
What is the ARO 637427-GG fluid end repair kit used for?
The ARO 637427-GG fluid end repair kit is used to rebuild the fluid section of ARO diaphragm pumps, restoring sealing and flow performance in industrial fluid handling applications such as chemical transfer, paint circulation, and wastewater treatment.
What are the specifications of the ARO 637427-GG fluid end repair kit?
The ARO 637427-GG fluid end repair kit includes Buna-N elastomers and is identified by manufacturer part number 637427-GG. It is designed for ARO diaphragm pumps requiring Buna-N seals for compatibility with oils, fuels, and water-based fluids.
Where to buy the ARO 637427-GG fluid end repair kit worldwide?
3G Electric supplies the ARO 637427-GG fluid end repair kit worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine ARO repair kits to support your pump maintenance needs anywhere.
How to install the ARO 637427-GG fluid end repair kit?
To install the ARO 637427-GG fluid end repair kit, first depressurize and drain the pump. Remove the fluid cover and old seals, clean all mating surfaces, then install the new Buna-N components per the pump manual. Torque fasteners to specification and test for leaks.
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.











