Engine Block Heaters, the quintessential companion for your gas and diesel vehicles, ensure seamless ignition even in the harshest cold weather. Expertly crafted for supreme functionality, our heaters employ the reliability of standard household AC power to invigorate your engine block and fluids. The gentle warmth circulates through the engine via convective flow, ensuring optimal performance. Ideal for Agricultural, Industrial, and Heavy Duty Applications, this robust heater caters to a variety of Caterpillar engines: 3114 (4.4 Liter), 3116 (6.6 Liter), 3126 (7.2 Liter), 3126B (7.2 Liter), C7 (7.2 Liter, for all years prior to 2004), C7 ACERT models (2004-2007), and the CFE (Caterpillar/Freightliner Engine). Its installation is a breeze, replacing the core plug on the center of the Right Side. The comprehensive heater kit is equipped with a special high-temperature cordset, ensuring durability and reliability. Additionally, for the 3116 model, enhance your setup with the optional oil pan heater, model 3500006, for an all-encompassing heating solution.