Powerstroke Radiator

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Powerstroke Radiator FAQS

Replace when experiencing coolant loss with no visible leaks, overheating under load, rust-colored coolant, or physical damage to the end tanks. OEM plastic tanks commonly crack on high-mileage 6.0L and 6.4L trucks.

Yes. All SPELAB radiators are designed for heavy-duty cooling under towing and daily use. Aluminum construction dissipates heat more efficiently than stock plastic-tank radiators.

The 6.4L is prone to overheating under heavy loads due to insufficient factory cooling capacity. Common fixes include upgrading the radiator, adding a transmission cooler, and replacing the thermostat.

No. Radiator replacement requires no tuning. If overheating persists after installation, check for airlocks in the cooling system, a failing water pump, or a stuck thermostat before pursuing ECM adjustments.