this is the official superseding part number

you know that keeping the blower motor assembly balanced is essential to preventing premature bearing failure and excessive cabinet vibration

A damaged cutoff can cause "whistling" noises or localized overheating of the blower motor due to disrupted airflow patterns

For streamlined field service

common in older pneumatic-to-electric bridges and legacy electronic systems

York S1-029-19387-038 Orifice 328140-751 this is the official supersedingThe York S1 029 19387 038 Orifice is a precision engineered fixed orifice metering device designed for critical refrigerant flow control in residential and light commercial HVAC systems. Featuring a . 048 inch diameter accurately calibrated for thermal expansion cooling cycles, this genuine OEM York replacement part serves as the primary pressure drop point between the high pressure liquid line and the evaporator coil. Professional technicians utilize