ARO Air Motor Repair Kit: Air End Repair Kit
The ARO Air Motor Repair Kit, model 637397, is an air-end repair kit designed for ARO double diaphragm pumps. This kit includes a pilot piston for servicing the air motor section. It is manufactured by ARO under part…
SKU 3G-OTH-85636
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Product Description
The ARO Air Motor Repair Kit, model 637397, is an air-end repair kit designed for ARO double diaphragm pumps. This kit includes a pilot piston for servicing the air motor section. It is manufactured by ARO under part number 637397.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the ARO 637397 air motor repair kit used for?
The ARO 637397 air motor repair kit is used to service the air end section of ARO double diaphragm pumps. It includes a pilot piston to replace worn components, restoring pump performance in industrial fluid handling applications such as chemical transfer, paint circulation, and wastewater treatment.
What are the specifications of the ARO 637397 repair kit?
The ARO 637397 is an air end repair kit for ARO double diaphragm pumps. It includes a pilot piston. The product type is Air End Repair Kit, with manufacturer part number 637397. It is designed to rebuild the air motor section, ensuring reliable pump operation in demanding environments.
Where to buy the ARO 637397 repair kit worldwide?
You can source the ARO 637397 air motor repair kit 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 genuine ARO part.
How to install the ARO 637397 air end repair kit?
To install the ARO 637397 kit, first depressurize and disassemble the pump's air motor section. Remove the old pilot piston and seals, then clean all mating surfaces. Install the new pilot piston from the kit, reassemble the air motor, and test for leaks. Always follow ARO's service manual for torque specs.
Used in
Common applications for AROARO Products
3G Electric supplies ARO aro air-end repair kits for double diaphragm pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.










