A heavy duty truck radiator is a large cooling-system component designed to remove excess heat from the engine of commercial trucks, buses, construction vehicles, and other high-load vehicles.

How it works:

• The engine generates heat while running.
• Coolant (a water/antifreeze mixture) circulates through the engine and absorbs that heat.
• The hot coolant flows into the radiator.
• Air passing through the radiator's fins carries the heat away.
• The cooled coolant returns to the engine to repeat the cycle.

Why heavy-duty truck radiators are different compared with radiators in passenger cars? Heavy-duty truck radiators are:

• Larger to handle bigger engines.
• More durable to withstand vibration, long operating hours, and harsh conditions.
• Higher capacity because diesel engines in trucks produce large amounts of heat, especially when hauling heavy loads.
• Manufactured with aluminum cores, copper-brass cores, and reinforced headers and tanks for longevity.

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