Check out the new high clearance Skid Plates for 3rd Gen 4Runners!

3rd Gen 4Runner Radiators

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High Clearance Radiator Conversion (HCR) - 3.4L V6 High Clearance Radiator Conversion (HCR) - 3.4L V6
from $195.00
from $195.00
$0.00
Introducing the BEST cooling system upgrade for 96-02 4Runners & 95-04 Tacomas - the complete, bolt-on HCR kit from Opt Offroad! See below for lead times. THE PROBLEM: This kit addresses one of...

Keep your 3rd Gen 4Runner (1996–2002) running cool with high-performance radiator upgrades. Built for the 3.4L V6, these radiators improve cooling efficiency, reliability, and clearance—making them ideal for lifted rigs, off-road builds, and daily drivers alike. Whether you’re replacing a factory radiator or upgrading for heavy-duty use, our selection ensures your 4Runner stays protected from overheating.