3 0 Kenworth T300 Heater Assembly F31-1037-1 $350 USD This is a used heater assembly from a 2007 Kenworth T300. This will fit several years and models however, please match the part number to ensure an exact fit. The part number is F31–1037–1.... ConditionUsedPart NumberF31-1037-1Stock Number25242 MLS Number13885379CategoryHeater Assemblies Last Updated10/15/2025 LocationSpartanburg, SC, US Sold ByTony's Truck Parts (877) 350-___ SHOWNUMBERCall Seller Email Seller Save More Info