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International WorkStar Charge Air Coolers

BESTfit offers durable charge air coolers for various International truck models, including the WorkStar series. These coolers maintain engine performance by cooling intake air, reducing temperatures, and improving power delivery. With sizes from 30.25 x 15.875 inches to 41 x 24.687 inches, they fit International models like the 5000, 7000, 8000, 9000, 9200, 9400, 9900, and TranStar. Built for rugged use, these coolers enhance airflow and help semi-trucks perform efficiently under heavy-duty conditions.

Frequently Asked Questions About International WorkStar Charge Air Coolers

What does a charge air cooler do on my International WorkStar?

The charge air cooler, also called an intercooler, cools compressed air coming from the turbocharger before it enters the engine. Cooler, denser air improves combustion efficiency, boosts power, and helps reduce strain on engine components. If this part fails or becomes damaged, you may notice a loss of power, reduced fuel economy, or increased engine temperatures.

How do I know if my charge air cooler needs to be replaced?

Common signs of a failing charge air cooler include visible cracks, leaks, or damage to the fins or end tanks, a noticeable drop in engine performance, black smoke from the exhaust, or a check engine light related to boost pressure. Physically inspecting the unit for corrosion, bent fins, or oil residue can also help confirm whether replacement is necessary.

Will this charge air cooler fit my specific WorkStar model year?

International WorkStar trucks were produced across many years with different engine and chassis configurations, so charge air cooler fitment can vary. Always check the listed year range, engine type, and OEM part number cross-reference on each product page before ordering. If you are unsure about compatibility, having your VIN or engine model on hand will help our team confirm the correct fit.

Are these charge air coolers new, remanufactured, or aftermarket replacements?

Product listings in this category may include new aftermarket units manufactured to match OEM specifications. Details on construction, material, and manufacturer are provided on each individual product page so you can compare options and choose the one that best fits your budget and performance needs.

What should I check when installing a new charge air cooler?

Before installation, inspect all mounting brackets, hoses, and clamps for wear or damage, since reusing worn components can lead to leaks even with a new cooler installed. It is also good practice to check the turbocharger and connecting hoses for oil residue or debris that could affect the new unit's performance. If you are not experienced with this type of repair, having a qualified diesel technician handle the installation is recommended to ensure proper sealing and fit.


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