Winter riding in a Pro XP is a blast until your hands go numb. The Firestorm HT_CU_406 for the 2020-2026 RZR Pro XP uses engine coolant to make up to 18,000 BTU of heat, with two defrost vents and separate driver and passenger vents. Brackets and hoses are made for the Pro XP.
What It Does for a Pro XP
- Up to 18,000 BTU with fan speed from 0 to 125 CFM.
- Two defrost vents to clear the windshield.
- Driver and passenger vents, each adjustable 360 degrees.
- Shutoff valve for summer.
- Hidden heater core for a clean, factory-style look.
Winter Riding Tips
- Turn on defrost before you set off so the glass is clear.
- Check coolant level after install and again after the first ride.
- Close the shutoff valve in summer.
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 |
|---|---|---|
| 2020-2026 | Polaris | RZR Pro XP |
Note: Moto Alliance lists this heater for the RZR Pro XP. Pro XP 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 XP
- 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 XP owners who ride snow trails and cold desert nights. Close in the cab with a Pro XP windshield, roof and doors.
Installation Notes
Installation ties into the Pro XP's coolant system using the included hose and alloy Y connectors. Follow the PDF, refill and bleed the cooling system, and recheck clamps after a few rides.
- source:
- motoalliance
- ma_url:
- https://www.motoalliance.com/firestorm-cab-heater-rzr-proxp
- desc_status:
- written_2026-10-27
- ma_parts:
- HT_CU_406-ProXP $399.99
