ARO Air-End Repair Kit for Double Diaphragm Pumps, 637421
The ARO Air Motor Repair Kit, part number 637421, is an air-end repair kit designed for ARO double diaphragm pumps. This kit includes five U-cups for servicing the air motor section of the pump.
SKU 3G-OTH-85670
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The ARO Air Motor Repair Kit, part number 637421, is an air-end repair kit designed for ARO double diaphragm pumps. This kit includes five U-cups for servicing the air motor section of the pump.
Frequently Asked Questions
What is the ARO 637421 air motor repair kit used for?
The ARO 637421 air motor repair kit is used to service the air motor section of ARO double diaphragm pumps. It includes five U-cups to replace worn seals, restoring pump performance in industrial fluid-handling applications such as chemical transfer and paint circulation.
What are the specifications of the ARO 637421 repair kit?
The ARO 637421 repair kit is an air-end repair kit for ARO double diaphragm pumps. It includes five U-cups. The manufacturer part number is 637421, and the brand is ARO. This kit is designed specifically for servicing the air motor section of compatible ARO pumps.
Where to buy the ARO 637421 repair kit worldwide?
You can source the ARO 637421 air motor repair kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine ARO components for your pump maintenance needs.
How to install the ARO 637421 air motor repair kit?
To install the ARO 637421 kit, first isolate and depressurize the pump. Remove the air motor cover and old U-cups. Clean the seal grooves, then lubricate and install the five new U-cups from the kit. Reassemble the cover 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.
