Help keep air moving through the heater and A/C vents with this FOUR SEASONS blower motor, part number 35424. It is a direct-fit replacement for the 1989-1991 Mack CM. It drives the blower wheel that pushes air through the vehicle's heating, ventilation and air-conditioning system. See the "Vehicles it fits" section for engine details.
This is a single-shaft, vented motor with clockwise (CW) rotation, and it is supplied without the wheel. Four Seasons engineers and tests its products, drawing on more than 50 years of mobile A/C experience.
- OE-level design: Built to meet or exceed O.E. design and performance.
- Magnetics: Magnetic size and properties compare to or exceed the OEM motor.
- Windings: Wound to OEM specifications or better.
- Motor speed: RPM is equal to or greater than the OEM motor.
Installation note: The blower wheel is not included. Transfer the original wheel or fit a new one as directed by the vehicle service procedure.
Signs a blower motor may need replacing include weak or no airflow from the vents, a blower that works only some of the time, and grinding or squealing from the blower area. These symptoms can also come from the switch, resistor or wiring, so diagnose the cause before replacing parts. If the original motor is the cause, this unit replaces it.
Frequently Asked Questions
What does this FOUR SEASONS HVAC blower motor do?
It spins the blower wheel that pushes air through the heating, ventilation and A/C system and out of the vents.
Does the 35424 come with a blower wheel?
No. It is supplied without the wheel, so transfer the original wheel or fit a new one as the service procedure directs.
Which vehicle does this blower motor fit?
It is a direct-fit replacement for the 1989-1991 Mack CM. Check the "Vehicles it fits" section for application details.
What are the key specs of this motor?
It is a single-shaft, vented blower motor with clockwise (CW) rotation. Its windings, magnetic size and properties, and RPM are built to match or exceed the OEM motor.
What are signs a blower motor may need replacing?
Weak or no airflow, a blower that works only some of the time, or grinding or squealing noises. Check the switch, resistor and wiring first, because these can cause the same symptoms.
