Fuel heater kit specifically for use in conjunction with Fleece Performance fuel filter kits installed on the 2017 2024 Ford 6.7L Powerstroke. This kit includes the fuel heater and chassis harness to provide switched power to the heating element. Fuel heater specifications Temperature switching points ON 28.4F 5.4F, OFF 48.2F 5.4F At typical fuel flow rates a temperature increase of between 4 8F will occur across the heating element Works with the following kits FPE FMC UBFA 1724 Application Notes For cab and chassis applications an extension harness is required for use with this kit. Utilize Fleece Performance part number FPE FH FMC 1724 CC EXT