Fitment: The AC heater control switch panel is a replacement for Kenworth T300 C500 T600A T800 W900 2002‑2006, please check the model and year before ordering 599-5511 Replacement Heavy Duty Climate Control Module For 02-06 Kenworth W900 T800 T600A 599-5511 Kenworth W900 Parts Package 1X 599-5511 HVAC Heater Climate Control Module To Control A/C, AC, Air Conditioning, Heater, Temperature Mounting Type Panel Mount Connector Type Plug In Brand CHUSYYRAY Features 100% Leak Tested, Durability Tested Manufacturer Part Number KTKG-599-5511 OE/OEM Part Number 599-5511, F2110071, F211025100, F211025110, F211032100 Color... It can withstand the rigors of daily use, ensuring long-lasting performance and dependability., 4., Easy to install, plug and playPackage Includes:1 x Climate Control ModuleQuality service:If you encounter any issues with the product, please feel * to contact our customer service. Heavy Duty Climate Control Module Heater Control Assembly 599-5511 for Our dedicated team is available 24 hours a day to assist you and resolve any problems you may have within 24 hours.