the Story of A/C Evaporator
Automotive air conditioning appeared in the 1930s with simple evaporator designs. the 1950s saw widespread adoption in vehicles. early evaporators used copper tubes. aluminum construction reduced weight and cost in the 1970s. modern -channel designs improve heat transfer efficiency and reduce refrigerant volume requirements for compliance.

Fitment
for Toyota
for Sienna 2017-2020

Part Number
782450567

Core Length
28 in

Core Material
Aluminum

Core Thickness
0.5 in

Core Width
16.81 in

Mounting Hardware Included
Yes

How to Install A/C Evaporator
the installation requires dashboard removal and refrigerant evacuation by certified technicians. disconnect A/C lines and the evaporator. install the new with fresh o-rings. reconnect lines, evacuate the system, and recharge with specified refrigerant. professional installation is necessary due to system complexity and refrigerant handling requirements.

Function of A/C Evaporator
the evaporator absorbs heat from cabin air as cold refrigerant flows through its tubes. air passing over the fins loses heat and creating cool, air for the interior. this process dehumidifies the cabin and window fogging during humid conditions while maintaining comfortable temperatures.

Instruction of A/C Evaporator
Run the A/C system monthly year-round to maintain component lubrication. replace the cabin air filter regularly to buildup. check for musty odors that indicate growth. have the system inspected annually for leaks. do not use sealants that clog passages. ensure proper drainage of condensate water.