Emerson 1390 K48HXSTZ-3519 Direct Drive Blower Motor – 1/4 HP, 1050 RPM, 3-Speed, 115V, Frame 42Y

Condition: New – Factory stock item. Capacitor not included. Requires 7.5 MFD, 370V capacitor for operation.

The Emerson K48HXSTZ-3519 (Catalog #1390) is a direct drive furnace blower motor engineered for reliable use in residential HVAC systems. It delivers 1/4 horsepower at 115 volts, operating at 1050 RPM across 3 speeds, providing smooth airflow and flexible control across heating and cooling modes. It is thermally protected, air-over rated for continuous duty, and built on a compact 42Y frame, making it an excellent fit for small to medium-size furnace and air handler systems.

This motor is especially well-suited for direct OEM replacements where the system design requires a 3-speed, 1/4 HP motor with moderate torque and efficiency.

Specifications:

• Manufacturer: Emerson
• Model: K48HXSTZ-3519
• Catalog Number: 1390
• Horsepower (HP): 1/4 HP
• Voltage: 115V
• Frequency: 60 Hz
• Amperage: 2.8 A
• Speeds: 3-Speed
• RPM: 1050
• Phase: 1-Phase
• Frame Size: 42Y
• Capacitor Required: 7.5 MFD / 370 VAC (not included)
• Rotation: CCWSE/CWLE (Counter Clockwise Shaft End / Clockwise Lead End)
• Thermal Protection: Automatic reset
• Mounting Type: Belly band or resilient base (standard for 42Y frame)
• Duty: Air-over, continuous
• Insulation Class: B
• Enclosure: Open
• Manufacturer No.: A11C
• Protection Code: 7A010

Applications:

This motor is ideal for use in:

• Gas or electric furnaces
• Air handlers and fan coil units
• Package HVAC systems
• Direct OEM replacement for older 42Y-frame 1/4 HP blower motors

Used across a wide range of brands including Rheem, Goodman, York, and others where frame and specs match. Ideal for residential heating and cooling systems needing a dependable, energy-efficient motor.

Cross-Referenced & Compatible Models:

• Emerson 1390 / K48HXSTZ3519
• Fasco D701 – (1/4 HP, 115V, 1050 RPM, 3-speed, CCWSE)
• Century ORM5455 – (1/4 HP, 115V, 1050 RPM, 3-speed)
• Genteq 5KCP39LG – (Various models with similar specs and frame)
• Mars 10458 – Universal replacement motor for 42Y frame, 1/4 HP, 1050 RPM

Comparable Products:

• Century H801 – 1/4 HP, 3-speed, 115V, 1050 RPM
• Packard 43697 – Universal blower motor, 1/4 HP, 42Y
• US Motors 1861 – 1/4 HP replacement, open air over, 115V
• Rotom R45623 – Budget-friendly HVAC motor with similar characteristics

System Compatibility:

Fits a variety of residential HVAC systems across brands such as:

• Goodman
• Rheem
• Lennox
• ICP
• Trane
• Carrier (legacy systems with 42Y frame)

Always verify rotation, shaft size, mounting configuration, and capacitor specs before final installation.

Related

• 1/4 hp blower motor 1050 rpm
• Emerson 1390 direct drive motor
• 115v 3 speed hvac motor
• furnace fan motor replacement 42y frame
• emerson k48hxstz-3519 air handler motor
• ccwse sleeve bearing motor 7.5 mfd
• thermally protected blower motor 1/4hp
• compact direct drive blower motor
• open air over motor for furnace
• residential hvac blower motor emerson

Focus Features:

1. Emerson K48HXSTZ-3519 blower motor
2. 1/4 HP 115V 3-speed furnace motor
3. 42Y frame HVAC direct drive motor
4. 1050 RPM motor for air handler
5. thermally protected ccwse blower motor
6. open enclosure air-over duty motor
7. replacement motor for small furnace
8. emerson 1390 catalog number motor
9. compatible with 7.5 mfd 370v capacitor
10. universal 115 volt HVAC motor 1/4 hp

Trademark Notice: Product and brand names are trademarks or registered trademarks of their respective owners. Use of them is for identification purposes only and does not imply affiliation or endorsement.

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