Performance Radiator for Chrysler 300 (2005-2009)

High-Capacity 4-Row Performance Radiator for 2005-2009 Chrysler 300

Direct Replacement Upgraded Radiator: Replaces the restrictive and failure-prone factory plastic-tank radiator to drastically lower coolant temperatures during heavy loads or performance applications.

The Stock LX Platform Cooling Problem

The factory radiator on the 2005-2009 Chrysler 300 utilizes crimped plastic end tanks coupled to a thin, low-density aluminum core. Over time and countless thermal cycles, these plastic tanks become brittle and develop hairline fractures, leading to catastrophic coolant pressure loss. Furthermore, the OEM core thickness and wide fin spacing lack the thermal capacity required to combat heat soak, especially in the 5.7L and 6.1L HEMI V8 engines operating under prolonged high RPMs or aggressive ambient conditions.

The AA5052 Aluminum Engineering Solution

This 4-row performance radiator is constructed entirely from aerospace-grade AA5052 aluminum, featuring fully TIG-welded 2mm thick end tanks that eliminate the factory plastic failure points. Leveraging advanced brazed core technology, the unit increases coolant capacity significantly. The thermal dynamics are further enhanced by a high-density core boasting 3/8-inch row spacing and an aggressive 14-16 fins per inch configuration. This translates to roughly 1,500 more cooling fins than standard aftermarket replacements, resulting in a 30% to 45% increase in heat dissipation efficiency. Finally, it upgrades the fragile OEM plastic drain plug to a durable brass petcock for reliable fluid servicing.

Technical Specifications

Compatibility

• 2005-2009 Chrysler 300 2.7L V6
• 2005-2009 Chrysler 300 3.5L V6
• 2005-2009 Chrysler 300 5.7L V8 HEMI
• 2005-2009 Chrysler 300 6.1L V8 HEMI

The Chrysler Muscle Standard

Whether you're pushing a 6.1L HEMI on the track or cruising a modified V6, maintaining strict operating temperatures is critical to preserving horsepower and preventing engine wear. This all-aluminum upgrade delivers the thermal management required for high-output LX platforms.