PDI Big Boss Radiator - 23-18 Freightliner Cascadia LSO w/TOC w/Frame /24-23 Western Star 57X w/TOC w/Frame
PDI Big Boss Radiator - 23-18 Freightliner Cascadia LSO w/TOC w/Frame /24-23 Western Star 57X w/TOC w/Frame is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Fast Shipping! Our orders typically ship within 24 business hours.
The PDI Big Boss Radiator – Freightliner Cascadia (2018–2023) and Western Star 57X (2023–2024) is a premium heavy-duty cooling system engineered for exceptional heat dissipation, durability, and efficiency. Designed with an integrated transmission oil cooler (TOC) and sturdy frame assembly, this radiator delivers superior performance and reliability in demanding long-haul and vocational applications.
Constructed from high-grade aluminum with reinforced tanks and precision-welded framework, the Big Boss Radiator ensures consistent cooling under high-load conditions while resisting vibration, corrosion, and fatigue. The built-in TOC provides efficient heat transfer for both the engine and transmission, maintaining optimal operating temperatures for maximum performance and longevity.
Built for direct OEM fitment, this radiator installs easily and provides long-lasting durability for modern Freightliner and Western Star platforms. The PDI Big Boss Radiator offers proven cooling efficiency, reliable construction, and the professional-grade performance drivers and fleets trust.
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