View 4 Photos View 0 Videos 2006 Kenworth T300 Heater Core Box Newly Listed Contact for price (Used) 2006 Kenworth T300, HEATER CORE BOX- Part Number: F31-1037-1, Side: Passenger Right Side, Color: Black, Material: Steel, Reference images for condition, For more information about... ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2006Part NumberF31-1037-1Stock NumberP-505489 MLS Number14428445CategoryHeater Core Boxes Last Updated6/14/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info