ARO Air Motor Repair Kit: Air End Repair Kit
The ARO Air Motor Repair Kit, part number 637389, is an air-end repair kit for ARO double diaphragm pumps. This kit includes five U-cups and is manufactured by ARO.
SKU 3G-OTH-85626
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Product Description
The ARO Air Motor Repair Kit, part number 637389, is an air-end repair kit for ARO double diaphragm pumps. This kit includes five U-cups and is manufactured by ARO.
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 637389 air motor repair kit used for?
The ARO 637389 air motor repair kit is used to rebuild the air end of ARO double diaphragm pumps. It restores pump performance by replacing worn U-cup seals, helping prevent air leaks and maintaining efficient operation in industrial fluid transfer applications.
What are the specifications of the ARO 637389 repair kit?
The ARO 637389 repair kit is an air end repair kit for ARO double diaphragm pumps. It includes five U-cups. The manufacturer part number is 637389, and the brand is ARO. This kit is designed to service the air motor section of the pump.
Where to buy the ARO 637389 repair kit worldwide?
3G Electric supplies the ARO 637389 air motor repair kit and handles logistics, customs, and delivery to worldwide destinations. As a global industrial solutions provider, we source and deliver genuine ARO parts to support your maintenance needs across multiple regions.
How to install the ARO 637389 air motor repair kit?
To install the ARO 637389 kit, first isolate and depressurize the pump. Remove the air end cover and old seals. Clean the mating surfaces, then install the five new U-cups in their correct grooves. Reassemble the air end and test for leaks before returning the pump to service.
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.










