Radiator swap

Good afternoon,

I would not as the 4 cylinder is too small for the V6.

https://www.2carpros.com/articles/how-a-radiator-works

I would replace it with a new radiator.

https://www.2carpros.com/articles/how-to-replace-a-car-radiator

https://www.2carpros.com/articles/coolant-flush-and-refill-all-cars

Roy

Install or Connect
1. Radiator.
2. Engine oil cooler line fittings.

Tighten

Fittings to 35 N.m (25 ft. lbs.).

3. Transmission fluid cooler line fittings.

Tighten

Fittings to 27 N.m (20 ft. lbs.).

4. Hoses.
5. Upper fan shroud.
6. Coolant reservoir hose.
7. Coolant to the radiator.