KatsHeaters 11811 Cartridge Style Engine Block Heater 400W 120V

The KatsHeaters 11811 is a 400-watt, 120-volt cartridge-style engine block heater designed to provide reliable cold weather starting performance. This freeze plug heater cartridge is constructed from durable cast aluminum and is engineered to be interchangeable with original equipment manufacturer specifications, making it a cost-effective aftermarket solution for cold climate vehicle maintenance.

Key Features:

• Thermostatically Controlled: Automatically activates at 0°F and maintains optimal engine temperature
• Simple Installation: Clips directly into engine block core hole without removing frost plug or draining coolant
• Cast Aluminum Construction: Durable design built to withstand extreme temperatures
• OE Replacement: Original equipment for GM, Toyota, Chrysler-Jeep, Hyundai, and Kia applications
• CSA Approved: Meets safety and performance standards
• Removable Power Cord: Replace cord if damaged without buying entire unit

This cartridge heater submerges directly in engine coolant to prevent fluid thickening and freezing, ensuring easier engine starts, faster cabin heating, reduced battery strain, and extended engine life. Pre-warming your engine reduces greenhouse gas emissions by up to 100 times compared to cold starts and improves fuel economy through better oil flow and fuel vaporization. Installation requires coating with NSCG silicone grease G-624 (not included), then simply insert and clip into place.