The RZR Pro R has a big 2.0L engine and plenty of hot coolant, which is just what a Firestorm heater runs on. The HT_CU_406-R is built for the 2022-2026 Pro R and makes up to 18,000 BTU in the cab. A pair of defrost vents handles the windshield, and the cab vents warm both front seats.
Pro R Highlights
- Fits 2022-2026 Polaris RZR Pro R per Moto Alliance.
- Heat output tops out at 18,000 BTU, with temperature and fan dialed in from the seat.
- Defrost vents for the glass and 360-degree vents for the cab.
- Brackets and hose lengths made for the Pro R.
Pro R Winter Tips
- Close the cab up. A windshield-only setup loses most of the heat.
- Use defrost before you leave.
- On summer desert trips, keep the heater valve closed.
Firestorm Heater Specifications
- Heat output: up to 18,000 BTU from the engine coolant, with airflow from 0 to 125 CFM
- Adjustable temperature and fan speed, with 360-degree adjustable vents
- Dedicated driver and passenger vents, plus two defrost vents aimed at the windshield
- Built-in shutoff valve to close off coolant flow in warm weather
- Automotive-grade radiator hose rated from -40 to 120 degrees C
- High-performance alloy radiator Y connectors
- No visible heater core, for a factory-installed look
Fitment
| Year | Make | Model |
|---|---|---|
| 2022-2026 | Polaris | RZR Pro R |
Note: Moto Alliance lists this for the RZR Pro R. Pro R 4 fitment is not stated.
What's in the Box
- Firestorm heater unit with fan, temperature and fan-speed controls
- Driver, passenger and two defrost vents
- Brackets and hose lengths made for the Polaris RZR Pro R
- Automotive-grade radiator hose and alloy radiator Y connectors
- Built-in coolant shutoff valve
- All installation hardware and instructions
Who It's For and What Pairs Well
This heater is for Pro R owners who do not want to park it for the winter. Close in the cab with a Pro R windshield, roof and doors, and pack Pro R recovery gear for snow days.
Installation Notes
The heater mounts with the included Pro R brackets and plumbs into the coolant system using the supplied hose and alloy Y connectors. Follow the PDF, refill and bleed the coolant, and do a heat-cycle check of all clamps before a long ride.
- source:
- motoalliance
- ma_url:
- https://www.motoalliance.com/firestorm-cab-heater-rzr-proxp_2
- desc_status:
- written_2026-10-28
- ma_parts:
- HT_CU_406-R $399.99
