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ARO Air-End Repair Kit for Double Diaphragm Pumps, 637389 - ARO Air-End Repair Kits for Double Diaphragm Pumps
AROARO Air-End Repair Kits for Double Diaphragm Pumps

ARO Air-End Repair Kit for Double Diaphragm Pumps, 637389

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

Brand
ARO
Item
Air-End Repair Kit for Double Diaphragm Pumps, 637389
Category
ARO Air-End Repair Kits for Double Diaphragm Pumps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ARO
Manufacturer Part Number
637389
Includes
(5) U-Cups
Product Type
Air End Repair Kit

Technical Documents

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ARO Products
3G Electric (S) Pte. Ltd. — Singapore

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.

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 ARO
Chemical processing — ARO AODD pumps with PTFE diaphragms and check valves for transferring corrosive acids and solvents.
Wastewater treatment — ARO aluminum-housing AODD pumps handling sludge and abrasive slurries in treatment plants.
Packaging automation — ARO PremAir series solenoid valves controlling pneumatic actuators on filling and sealing machines.
Mining operations — ARO 316 stainless steel AODD pumps for dewatering and transferring abrasive mine tailings.
Material handling — ARO MaxAir series foot pedal valves for manual control of conveyor diverters and lift tables.
Maintenance repair — ARO repair kits for field servicing of lower pump assemblies in industrial fluid systems.

ARO 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.

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