SuperATV

Can-Am Defender HD9 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#HD9

Take on Winter with a Can-Am Defender HD9 Cab Heater
A little cold shouldn’t stop your Can-Am Defender HD9 from getting the job done. SuperATV’s Cab Heater draws heat from the engine coolant lines and warms your cab like a conventional vehicle heater. It connects to your Defender HD9’s existing key-on and power terminals for an easier wiring process. We supply the hoses, drill bits, and machine-specific mounting plates needed for a smooth installation. Adjustable temperature controls and fan speeds let you dial in the perfect amount of heat.

Keep Your Windshield Clear
Two vents in the heater unit warm the interior, and the included defrost vent and hoses help eliminate windshield snow, ice, and fog. The vents fit through the dash for an integrated look that matches your machine’s factory design.

Enjoy a Warmer Cab
Our cab heater keeps winter weather outside where it belongs. Its heavy-duty radiator hoses have a rated temperature range of -40°F to 285°F. The system can withstand high engine temperatures as well as brutal cold. More cab heat means better rides, easier chores, and fewer miserable winter miles.

Add Comfort to the Back Row
The optional second-row heater makes sure every passenger stays warm. It mounts in front of the middle seat and arrives with all required parts. Independent temperature and fan controls allow rear passengers to select the heat level they want.

Cut Warm-Up Time with a Quick-Start Flow Valve
A quick-start flow valve can help your heater warm up twice as fast. It routes the full coolant supply through the heater core when engine temperatures are low. After the engine gets hot, the valve opens automatically and directs coolant through the radiator as normal.

Get Warm Air in About 30 Seconds with an Idle Flow Pump
Choose an idle flow pump to get cab heat in as little as 30 seconds. It keeps coolant in motion through the engine and improves heater performance while the machine sits at idle or travels at low speeds.


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.

Block Cold Air with a Grille Cover
A grille cover prevents frigid air from cooling your radiator. This helps raise coolant temperatures and shortens the time your heater needs to produce warm air. Its PVC-backed polyester construction provides lasting strength, and installation takes only a few moments. Never use it when temperatures rise above freezing because your machine could overheat.

Build a Complete Defender HD9 Cab Enclosure
Pair your cab heater with full doors, a roof, and front and rear windshields for maximum warmth. A complete seal prevents heat loss and keeps cold air out. 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.