SuperATV

Can-Am Defender HD8 Cab Heater

$1,019.80

Choose your style Heater + Grille Cover Heater Only

Choose Location Front and Rear (2nd Row) Rear (2nd Row) Front

Options Yes, please! / No, thank you No, thank you / No, thank you No, thank you / Yes, please! Yes, please! / Yes, please!

Fits these machines

Confirm your year and trim against the fitment list in the description before ordering.

SATV-GC-CA-DEF-K13#HD8

Conquer the Cold with a Can-Am Defender HD8 Cab Heater
Your Can-Am Defender HD8 was built for year-round work and adventure. SuperATV’s Cab Heater taps into the engine’s coolant system and provides automotive-style heat inside your cab. It uses your Defender HD8’s key-on and power terminals, so the electrical connection stays simple. The complete kit contains hoses, drill bits, and model-specific mounting plates to make installation as painless as possible. Multiple fan speeds and adjustable temperature controls help you stay comfortable in any winter weather.

Defrost Your Defender HD8 Windshield
The heater includes two vents in the main unit, plus a dedicated defrost vent and hoses. This system helps remove snow, ice, and fog from your windshield for a clearer view. Dash-mounted defrost vents create a neat, factory-quality appearance.

Stay Comfortable in Any Temperature
Every part of this cab heater is made to handle tough conditions. The premium radiator hoses have a temperature range of -40°F to 285°F. They stand up to severe cold outside and extreme heat under the hood. The result is dependable warmth that makes every winter ride more enjoyable.

Give the Back Row Some Heat
Add the optional second-row heater so your rear passengers don’t get left in the cold. The kit comes with everything required and mounts directly in front of the center seat. Easy-to-reach temperature and fan controls let back-row riders adjust the heat to suit them.

Warm Up Faster with a Quick-Start Flow Valve
Install a quick-start flow valve to cut heater warm-up time in half. The valve sends all engine coolant through the heater core before the engine reaches full operating temperature. It opens automatically as the engine heats up and allows coolant to return to the radiator.

Feel Heat in About 30 Seconds with an Idle Flow Pump
An idle flow pump can push warm air into your cab in as little as 30 seconds. It supports coolant circulation through the engine and speeds up heat production at idle or low speed.


Quick-Start Flow Valve	Idle Flow Pump
Gets you heated air twice as fast	Warms up heater in under 30 seconds
Diverts coolant to your heater core at low temps	Actively pumps coolant at idle to increase heater temps
Only one quick-start flow valve needed for front- and second-row heaters	Only one idle flow pump needed for front- and second-row heaters
Combine our Quick-Start Flow Valve and Idle Flow Pump for maximum heat as quickly as possible when you’re slow or idle.

Boost Performance with a Grille Cover
Add a grille cover to shield your radiator from frigid outside air. It allows coolant temperatures to rise faster, which helps your heater produce warm air sooner. The PVC-backed polyester material is tough, and the cover attaches or detaches quickly. Remove it whenever temperatures climb above freezing to prevent engine overheating.

Finish Your Full Cab Enclosure
A sealed cab helps your heater work at its best. Add full doors, a roof, and front and rear windshields to keep more warmth inside your UTV. Check out our selection of SuperATV's Defender Full Cab Enclosure Components.

Frequently Asked Questions (FAQ)

How much heat does a Can-Am Defender cab heater actually put out?

Our cab heater pulls heat directly from your Defender’s coolant lines, giving you the same reliable warmth you’d expect from a truck-style heater. It pushes strong airflow through multiple vents to keep your cab warm even in freezing temperatures, delivering fast warm‑up times and consistent heat all ride long.

How hard is it to install a SuperATV Defender cab heater?

We include hoses, drill bits, mounting plates, and clear instructions to make installation as straightforward as possible. Most riders with basic tools can complete the job in an afternoon, and our Virtual Mechanic service is available if you want real‑time help.

What’s the advantage of a SuperATV heater compared to other UTV heaters?

Our heater integrates seamlessly with the Defender’s coolant system for maximum heat output and fast warm‑up. Machine‑specific brackets and hardware ensure a clean fit, and optional upgrades—like a grille cover, flow valve, and idle pump—boost performance in extreme cold.

Will this heater warm both the driver and passenger area?

Yes. The heater is positioned to push warm air throughout the cab, keeping both sides comfortable. Optional vent configurations let you direct airflow exactly where you want it for balanced heat coverage.

What comes in the box with the SuperATV Defender cab heater?

The kit includes the heater unit, hoses, drill bits, mounting plates, wiring components, and all machine‑specific hardware needed for a clean, complete installation.

Does the SuperATV heater use the Defender’s key‑on power?

Yes. The heater ties into the Defender’s key‑on and power terminals, ensuring it only runs when the machine is on. This keeps wiring clean and prevents accidental battery drain.

How fast does the heater warm up the cab?

With the optional quick‑start flow valve and idle flow pump, you get heated air faster—even before the engine reaches full operating temperature. That means less waiting and more riding in comfort.

Is drilling required to install the heater?

Yes. You’ll need to drill through plastic in a few spots, but we include the correct drill bits and Defender‑specific templates to ensure everything lines up cleanly.