CSF Heavy-Duty All-Aluminum Radiator 2003-2009 Lexus GX470 & Toyota 4Runner V8

Design & Engineering CSF has a great track record with heavy duty, off-road grade radiators for Toyota/Lexus trucks and SUVs. With most off-road vehicles, the factory cooling components can easily become over stressed. This may be due to the demanding stress on the engine while climbing or dirt clogging up some of the cooling fins. The last thing you want or need is your V8 4Runner/GX470’s radiator to fail on you while you are off-road. OEM vs CSF The 2-Row 42mm aluminum core not only increases the fluid capacity of the radiator, but also improves the cores ability to dissipate heat. CSF’s Exclusive B-Tube Technology increases the heat transfer by approximately 15% over regular oval welded tubes. In addition, the super-efficient multi-louvered fins maximize airflow through the core for the best possible performance.  End tanks are made from high grade aluminum and TIG welded to the core for extra strength. In contrast, the OEM crimped onto plastic end tank design is much weaker and