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ARO SERVICE KIT

Description & Features

Designed for maintaining and restoring Ingersoll Rand Aro fluid handling and pneumatic equipment, this ARO Service Kit contains the replacement components needed to bring pumps or related assemblies back to proper working condition. Sourced directly from Ingersoll-Rand, it is a genuine service solution intended for use during scheduled maintenance or after-wear servicing of compatible Aro units.

Using a manufacturer-matched kit helps ensure that replacement parts meet original tolerances and material specifications, reducing the risk of premature wear or incompatibility that can occur with non-OEM components.

SKU: 637140-44

Supplier Part Number (MPN): 637140-44

Alternate Part Numbers: C1BW95

Specifications

Product Type Fluid Section Service Kit	Suitable For Use With 666053-244, 666053-344, 666056-244, 666056-644, 666057-444, 66605H-244, 66605H-644, 66605J-244, 66605J-344, 66605K-244 and 66605K-444 Air Operated Double Diaphragm Pumps

Product Questions & Answers (2)

Question by: Chad W on Feb 17, 2026, 6:20 PM

part number 637140-44, is that the ARO service kit made by Ingersoll Rand?

Answer by: Customer Support on Feb 19, 2026, 7:34 AM

Yes, SKU 637140-44 is the ARO service kit from Ingersoll Rand, sold under the ARO brand. Ingersoll Rand and ARO are the same manufacturer family, so you'll see both names used depending on where you're looking it up. If your equipment calls out that part number, you've got the right one.

Question by: Donna E on Nov 29, 2025, 5:06 PM

Just makin' sure, this here is a service kit for Aro, right?

Answer by: Customer Support on Nov 30, 2025, 6:30 PM

That's correct. This service kit is specifically for Ingersoll Rand Aro products.