Aluminum Radiator for Freightliner Business Class (2008-2014) 6.4L 8.3L

Heavy-Duty 3-Row Aluminum Radiator for 2008-2014 Freightliner Business Class

What it Does: Replaces failure-prone factory plastic-tank units with a fully TIG-welded, 3-row all-aluminum assembly designed to stabilize coolant temperatures under sustained commercial payload and towing cycles.

The Stock Business Class Cooling Degradation

Factory radiators in commercial M2 platforms rely on crimped plastic end tanks mated to aluminum cores via elastomeric gaskets. Over continuous thermal cycling and heavy vocational engine loads, prolonged exposure to operating pressures up to 15-18 PSI degrades the polymer tanks, causing fatigue cracking along the tank header seams. Compounding this, factory core pitch restricts airflow under heavy low-speed hauling, leading to progressive heat soak and thermal derating on both the MBE 900 series and Cummins ISC platforms.

The Engineering Solution

Engineered for commercial duty cycles, this performance radiator features a high-density 3-row brazed aluminum tube-and-fin core paired with robotically TIG-welded 5052-grade aluminum end tanks. By eliminating crimped plastic junctions entirely, structural shear strength is significantly increased to prevent blowouts under pressure spikes. The high-capacity multi-louvered fin matrix maximizes conductive surface area, dropping return coolant temperatures more efficiently than standard OEM designs during prolonged hill climbs and high-ambient idling.

Technical Specifications

Compatibility

• 2008-2014 Freightliner Business Class M2 106 6.4L Turbo Diesel
• 2008-2014 Freightliner Business Class M2 106 8.3L Turbo Diesel
• 2008-2014 Freightliner Business Class M2 112 8.3L Turbo Diesel

The Freightliner Commercial Standard

Built strictly for severe-duty hauling, heavy urban distribution, and high-GVWR transport, this all-aluminum cooling system resists chassis torsional twist and road vibrations while keeping operating oil and water temps in check under maximum rated gross vehicle weights.