12V Under Dash Auxiliary Heater with Speed Switch – 4 Port | Car & Truck

12V Under Dash Auxiliary Heater – 4 Port with Speed SwitchKeep your cab warm all winter with this energy-efficient under-dash heater. Engineered for trucks, minivans, excavators, harvesters, and other heavy vehicles, it taps into your engine's existing coolant circuit — no extra fuel required.Key Features Energy Saving: Uses engine coolant heat — no fuel consumption, minimal electrical draw, zero impact on vehicle power. Stepless Speed Control: Adjustable knob lets you dial in airflow from low to high to suit conditions. 4-Port Coolant Connections: Flexible plumbing options for a clean, secure install. Durable Construction: Copper core and thickened iron housing built for harsh working environments. Compact & Easy to Install: 280 × 229 × 100 mm footprint with included mounting brackets for under-dash fitment. Multi-Function: Cabin heating, foot warming, windscreen defog and defrost. Easy to Clean: Smooth flat surface — wipe down with a cloth and it's good as new. What's in the Box Under-dash heater unit Mounting brackets Speed control switch Suits 12V vehicles including trucks, utes, minivans, excavators, and harvesters. Check coolant hose diameter compatibility before ordering.