AC Heater Climate Control Module 599294 for Express 1500 2500 3500 4500 Quick Response OE Standard Features： 1、OE Numbers: 599?294 15773679 15858577 15858579 19417516 19417641 22738890 are the reference part numbers. Please double check the part number of your item to ensure match. 2、Fitment: Fit for Express 1500 2008?2014; Fit for Express 2500 3500 2008?2022; Fit for Express 4500 2009?2021; Fit for Express Cargo 2009?2023; Fit for Express Pasajeros 2009?2023. 3、Improved Climate Control: This replacement module can help solve issues of inconsistent heating or cooling, unresponsive controls for optimal driving comfort. 4、Ideal Replacement: HVAC control module is designed to replace your original equipment, providing the same functionality and appearance as the factory module. 5、Simple Installation: This heater climate control module has unique software that is automatically configured to the vehicle as soon as it is plugged in and installed, eliminating the need for manual setup. Specification： Item Type: Heater Climate Control Module Material: ABS OE: 599-294 15773679 15858577 15858579 19417516 19417641 22738890 Fitment: Fit for Express 1500 2008-2014 Fit for Express 2500 3500 2008-2022 Fit for Express 4500 2009-2021 Fit for Express Cargo 2009-2023 Fit for Express Pasajeros 2009-2023 Package List： 1 x HVAC Climate Control Module 3 x Buttons