The Viking is a workhorse for hunters and landowners, and adding heat keeps it useful all winter. The Firestorm HT_CU_426 fits the 2017-2026 Yamaha Viking and uses engine coolant to make up to 18,000 BTU. Defrost vents keep the windshield clear, and the cab vents spread heat across the bench seat.
Viking Highlights
- Fits 2017-2026 Yamaha Viking per Moto Alliance.
- Up to 18,000 BTU, with adjustable temperature and fan so all three front-bench riders stay warm.
- Dual defrost vents and fully adjustable cab vents.
- Hidden core with Viking-specific brackets.
Viking Tips
- A full cab enclosure gets the most out of a coolant heater.
- Use defrost before setting off.
- Close the valve for summer use so the Viking cab stays cool.
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 |
|---|---|---|
| 2017-2026 | Yamaha | Viking |
Note: Moto Alliance lists this for the Yamaha Viking. It does not say whether it fits the Viking VI 6-seat.
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 Yamaha Viking
- 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 Viking owners who hunt, haul and plow in the cold. Close in the cab with a Viking windshield, doors or a full cab enclosure, and add a Viking snow plow.
Installation Notes
The heater mounts with the included Viking brackets and connects to the coolant system with the supplied hose and alloy Y connectors. Follow the PDF, refill and bleed the coolant, and check every clamp once the engine is hot.
- source:
- motoalliance
- ma_url:
- https://www.motoalliance.com/firestorm-cab-heater-yamaha-viking
- desc_status:
- written_2026-10-28
- ma_parts:
- HT_CU_426 $399.99
