94-01 Chevrolet Lumina OEM Radiator for 3.1L 3.4L 3.8L Auto Trans
Direct replacement cooling core for fourth-generation Lumina with automatic transmission. Factory-spec construction handles stock engine temperatures across three displacement options. Drop-in fitment at existing mounting points—no modifications needed.
Will this radiator fit my existing hose connections?
Yes—this is the factory radiator spec, so your current inlet and outlet hoses connect directly. No adapter hoses needed.
Do I need to flush the cooling system before installing?
Flushing beforehand is smart maintenance. Old coolant can clog a fresh radiator core, especially if your system's been neglected. Do a full flush, rinse, and refill with new coolant.
What if my radiator is leaking at a plastic tank seam—will replacing it fix all my cooling problems?
A new radiator solves leaks in the core itself, but if your water pump or thermostat is failing, replacing the radiator alone won't cure overheating. Diagnose the root cause before assuming the radiator is your only problem.
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