Climate pipe CITROEN C4 PEUGEOT 307 1.6 16V 2.0 16V Climate pipe Citroën C4 Peugeot 307 9657451280 6460QL is part of the air conditioning system of some Citroën and Peugeot cars. This particular pipe was used on certain Citroën C4 and Peugeot 307 models with specific engine types and model years. The air conditioning pipe is a metal pipe that is used to transport the cooling medium from the air conditioning unit to the radiator inside the car. It is located in the engine compartment and is connected to other components of the air conditioning system. The numbers 9657451280 and 6460QL are part numbers that identify this particular model of air conditioning pipe and are used to allow for proper identification and replacement if necessary. If you are trying to replace the original air conditioning pipe, it is important to check that these numbers match the original part numbers to ensure proper operation of the air conditioning system. The correct functioning of the air conditioning system is crucial for the comfort and safety of the driver and passengers, especially on hot summer days. Therefore, it is important to ensure that all components of the air conditioning system are in good condition and working properly.