High-Efficiency and OEM-Quality Aftercooler

The aftercooler is key to cooling and dehumidifying the air in off-road and industrial systems. Choosing a low-quality one may cause condensation and performance issues later. For off-road compressors and auxiliary power units, heat and moisture build-up are inevitable. Hot compressed air carries water vapor that can corrode valves, damage seals, or clog pneumatic tools. If you’re seeing inconsistent air pressure, oil lubrication issues, or rust in the airlines, it’s likely time for an aftercooler. At FridayParts, our aftermarket aftercoolers address these problems with robust cooling and moisture separation to protect your equipment.

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Key Functions of the Aftercooler

When air comes out of the compressor hot and saturated, aftercoolers work as mechanical heat exchangers. By quickly dropping temperature and forcing moisture to condense, they:

Reduce the moisture content in compressed air
Stabilize system temperature and help avoid overheating
Protect seals and tools from corrosion and water damage

Our aftercoolers come equipped with built-in moisture separators and optional float drains, giving you clean, cool air that supports consistent system performance.

Types of Aftercoolers

Air compressors typically use one of two types of aftercoolers: air-cooled or water-cooled.

Air-Cooled Aftercooler: Uses ambient air to cool the compressed air. It's simple, cost-effective, and ideal for most outdoor or well-ventilated environments.
Water-Cooled Aftercooler: Uses water to absorb heat from the compressed air. It’s more efficient in high-heat or indoor settings where airflow is limited, but it requires a water source and more maintenance.

Not sure which type or size of aftercooler is right for your equipment? Our experienced technicians are here to help. Contact us anytime, and we’ll work with you to find the perfect fit from our FridayParts selection.