Description
Daikin-McQuay GCA500015A Coupling with Adapter
The Daikin-McQuay GCA500015A is an OEM replacement coupling designed for use in Daikin-McQuay commercial HVAC systems. Featuring a 1-1/4″ x 5/8″ coupling configuration paired with a 1/2″ adapter, this component ensures a precise, secure mechanical connection between rotating shafts and drive components. Sourced directly from Daikin-McQuay, it delivers the fit, form, and function required to maintain peak system performance and minimize downtime.
Key Features
- OEM Daikin-McQuay replacement part — guaranteed compatibility
- Coupling size: 1-1/4″ x 5/8″
- Includes 1/2″ adapter for versatile installation
- Engineered for reliable torque transmission and shaft alignment
- Durable construction built to withstand demanding commercial HVAC environments
- Direct drop-in replacement to simplify service and reduce labor time
Application
This coupling and adapter assembly is suited for use in Daikin-McQuay commercial rooftop units, air handlers, and other HVAC equipment requiring shaft-to-shaft or shaft-to-component mechanical coupling. Always verify compatibility with your specific equipment model before installation.
Specifications
- SKU: GCA500015A
- Brand: Daikin-McQuay
- Coupling Bore: 1-1/4″ x 5/8″
- Adapter Size: 1/2″
- Part Type: Mechanical Coupling with Adapter







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