Aluminum Radiator for Jeep Grand Cherokee (2011-2021) 3.6L 5.7L

Heavy-Duty All-Aluminum Radiator for 2011-2021 Jeep Grand Cherokee

Direct-fit thermal upgrade: Engineered to replace failure-prone factory cooling modules with a high-capacity, multi-row aluminum core that prevents thermal saturation under heavy towing and severe operating conditions.

The Stock Grand Cherokee WK2 Cooling Vulnerability

The factory WK2 radiator relies on an aluminum core mechanically crimped to molded plastic (PA66) end tanks with rubber O-rings. Repeated thermal cycling between 195°F and 225°F degrades the plastic, causing brittle neck fractures, micro-fissuring, and catastrophic crimp seam separations. Under sustained high loads, such as towing with the 5.7L HEMI or low-speed crawling with the 3.6L Pentastar, the restrictive OEM single-row core struggles with heat rejection, inducing dangerous coolant pressure and elevated engine temperatures.

The Engineering Solution

This heavy-duty unit eliminates failure points with an all-aluminum construction featuring 100% precision TIG-welded tanks and a vacuum-brazed multi-row tube-and-fin core. By removing failure-prone mechanical crimps and plastic tanks, it withstands elevated operating pressures without leaking. The expanded multi-row core optimizes internal fluid cross-flow and external fin surface area, substantially increasing heat dissipation efficiency. Built as a direct bolt-in unit, it preserves OEM fan shroud alignment, mounting points, and factory hose routing.

Technical Specifications

Compatibility

• 2011-2021 Jeep Grand Cherokee WK2 3.6L V6
• 2011-2021 Jeep Grand Cherokee WK2 5.7L V8

The Jeep Durability Standard

Engineered for sustained off-road torsional stress, washboard vibration, and heavy trailer pulling, this solid-metal cooling assembly delivers absolute reliability on the trail and highway.