Supplier catalogs of compressor heat-exchanger parts include cooler cores and tube bundles for Atlas Copco compressors with part number series like 1621 6006 08. These coolers serve as heat exchanger components to reduce compressed air temperature and are offered as aftermarket replacements for core and cooler assemblies.
In industrial compressed air systems, the air compressor cooler functions as a primary thermal regulation component. Proper compressor cooler operation reduces discharge temperature, improves moisture separation, and supports long-term system reliability.