Dometic FreshJet 3 Replacement Fan/Blower Motor 4471012126

If the air's still blowing warm or barely moving through your FreshJet 3, the fan motor is one of the first things worth checking. This is the genuine Dometic replacement fan and blower motor, part number 4471012126, built for the FreshJet 3 rooftop air conditioner line. It's the OEM part, not a generic stand-in, so it drops into the same spot the factory motor came out of.

This motor is specified for four FreshJet 3 models: the FJX3473MWHAS and FJX3473MBKAS 13,500 BTU units, and the FJX3573MWHAS and FJX3573MBKAS 15,000 BTU units. The WHAS models wear the white cabinet, the BKAS models the black one. The cabinet color doesn't change the motor. What matters is that your rooftop unit is a FreshJet 3 in that FJX3473 or FJX3573 family, so check the model number stamped on the unit before you order.

In a rooftop AC like the FreshJet 3, the fan motor does the heavy lifting on airflow. It turns the condenser fan up top that pushes heat out of the coil, and it drives the blower that moves cooled air down through the ceiling and into your rig. When that motor starts to go, the whole unit suffers. You'll usually feel it before you see it.

The usual signs of a tired fan motor? Air that trickles instead of pushing. A unit that cools poorly on a hot afternoon even though the compressor's running. A hum or buzz that wasn't there last season. Or a fan that won't spin up at all. Sometimes it's a failing start capacitor, sometimes it's seized bearings. Either way, a fresh OEM motor gets airflow back to where the unit was designed to run.

Going with the genuine Dometic motor takes the guesswork out of fitment. The shaft, the mounting, and the electrical connections all match what your FreshJet 3 already uses, so you're not fabricating brackets or splicing in adapters. It keeps the unit within its original design spec, which matters for both cooling performance and the amp draw your coach's electrical system sees.

Swapping a rooftop fan motor is a real job, not a five-minute fix. You're working on the roof, pulling the shroud, and getting into the AC's internals with the power disconnected at the breaker. Plenty of handy RVers do it themselves with a service manual and some patience. If you're not comfortable up there or working around 120-volt wiring, have an RV tech handle it. Before you start, disconnect from shore power and pull the breaker, then let the unit sit so nothing's live when you open it up. Take a photo of the wiring before you disconnect anything, so hooking the new motor back up is just a matter of matching what you already had.

The FreshJet 3 series is Dometic's current-generation rooftop line, built to drop into a standard 14-inch by 14-inch roof opening and run on R32 refrigerant. Keeping it running well starts with the parts that move air, and the fan motor sits right at the top of that list. A worn motor doesn't just cool poorly, it makes the unit work harder and run louder than it should. A correct OEM replacement brings back the airflow and the quieter operation these units are known for.

One thing to be clear on: this is the fan and blower motor, not the complete air conditioner, and not the control board or thermostat. It's specified for the FreshJet 3 FJX3473 and FJX3573 units. If you're running an older Brisk II, a Penguin, or a different series, confirm your exact model is on the fitment list before you buy. Match the part to your unit and this motor will have you cooling again.