Fiat Ducato models up to and including the 2021 model year are fitted with a different engine type to newer models. On these older vehicles, there is an intercooler hose at the intended installation point for the compressor. This must be rerouted when installing the Ultra Comfort 8000 air conditioning unit. With the additional kits, installation of the air conditioning units is now also possible on Fiat Ducato models up to and including the 2021 model year without any problems and without the need for individual modifications.