NEW GENUINE OEM MOPAR BLOCK HEATER CORDPART # 5148147ACFITS 2010 TO 2012 DODGE RAM 2500, 3500, 4500 & 5500 RAM TRUCKS EQUIPPED WITH 6.7L DIESEL ENGINESEngine Block Heater CordEngine Block Heaters keep the engine warm for easier starting and quicker warm-up. Features include special plug-in wiring designed for each application and is the same as the production heaters. Depending on engine size, 450 to 600 Watt heaters.ALL 6.7L DIESEL ENGINES COME WITH THE BLOCK HEATER INSTALLED!!!HOWEVER THE CORD IS NOT AND MUST ADDED SEPERATELLY, INSTALLS IN A FEW MINUTESOEM QUALITY AND FIT!!!!!12 MONTHS WARRANTY AT ANY CHRYSLER, DODGE & JEEP DEALER ACROSS THE U.S.!!!!IF YOUR UNSURE OF YOUR APPLICATION PLEASE SEND US YOUR VIN NUMBER FOR APPLICATION VERIFICATION!!!!