Engine Heater Direct Immersion Style Fits for Caterpillar Detroit Diesel International Navistar Perkins Engines, 1500W 120V 1" NPT Block Herter

Precise Fitment: Features a standard 1" NPT threaded design for direct replacement. Fits for Caterpillar Detroit Diesel International Navistar and Perkins Engines

Fast Heating: Designed with 120V 1500W high-output heating performance, engine block immersion heater quickly warms engine coolant to ensure smooth, reliable cold-weather starts, even in extreme winter conditions

Improve Fuel Efficiency: Pre-heating the engine block significantly reduces cold start stress, minimizes internal engine wear, and lowers fuel consumption during startup, helping extend overall engine service life

Stable and Efficient: Constructed with a high-quality copper heating tube, block heater provides fast, even heat transfer and stable output during continuous operation, ensures efficient coolant heating, helping maintain reliable engine preheating and long-term durability

Easy Installation: Designed with a standard 1" NPT threaded connection, allowing for quick and straightforward installation. Simply remove the existing heater or plug and install this unit with no tool required