Dura-Lite Charge Air Coolers
The Dura-Lite™ Evolution® Charge Air Cooler is the most reliable in the world. Its advanced features and durability allow us to offer a 7-year, million-mile guarantee. In addition, Dura-Lite includes $300 warranty labor on any Evolution CAC installed after October 1st 2023.

Western Star 4800 Series

Western Star 4900 Series

Western Star 5700 Series
Dura-Lite Evolution part number US-WSDAC-35E is the correct CAC for the Legacy model years of the 4800 and 4900 Series Western Star trucks.
Newer model years of the Western Star 4800, 4900, and 5700 Series use Dura-Lite Evolution part number US-WSDAC-35J.
Find out more about: US-WSDAC-35E.
Find out more about: US-WSDAC-35J.
Dura-Lite recommends using the OEM part number for accurate cross reference results.
Dura-Lite Radiators
Dura-Lite Radiators are specially designed for heavy-duty trucks such as Western Star.
Plastic Tank/ Aluminum Core Radiators feature:
- Stronger fiber-reinforced tanks.
- Reinforced headers and an extra stiffening plate.
- High efficiency core design with reinforced tubes.
Steel Tank/ Copper Brass Core Radiators feature:
- Reinforced tube-to-header joint includes additional solder buildup for increased durability.
- Reinforced header corner supports with machined holes, which prevents leaks between the tubes and header.
- Stamped all metal high strength, heavy gauge, rust resistant steels tanks and structure.
Radiators for the Western Star 4800, 4900, and 5700 Series:
Looking For A Replacement Charge Air Cooler Or Radiator For A Different Vehicle Type?
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Search For a Replacement By Cross Reference To Original Equipment Part Numbers
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