Issues with your heater in your 2010-2022 Ram can stem from a few different areas. One of the common failure points is the seals for the entire heater & a/c box itself. Bad seals can cause air from your a/c or heater to leak from various areas causing your HVAC system to not direct the air into the cab properly. This direct replacement seal kit installs in the factory location and will restore proper operation of your trucks heater & a/c system.