Description
The York S1-025-39874-000 is a genuine OEM ECM (Electronically Commutated Motor) Motor Harness designed as a direct replacement for compatible York heating and cooling systems. This harness ensures proper electrical communication between the ECM blower motor and the system control board, maintaining optimal motor performance, variable-speed operation, and energy efficiency.
Key Features
- Genuine York OEM replacement part — ensures exact fit and reliable performance
- Designed for use with ECM (Electronically Commutated Motor) blower assemblies
- Maintains proper signal and power delivery between the motor and control board
- Supports variable-speed motor operation for enhanced comfort and energy savings
- Durable construction built to withstand the demands of continuous HVAC operation
- Direct drop-in replacement — no modifications required
Application
This ECM Motor Harness is intended for use in York residential and light commercial HVAC equipment equipped with ECM blower motors. Always verify compatibility with your specific York unit model before installation.
Why Choose OEM Parts?
Using genuine York OEM replacement components like the S1-025-39874-000 helps preserve system warranties, ensures proper operation, and reduces the risk of premature component failure. Technicians can trust OEM harnesses to deliver the precise electrical connections required for ECM motor control and diagnostics.







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