The VX had the old 3.8-litre V6; the VZ had the later Alloytec engine. I expect it would physically fit, but I would also expect the radiator and thermostat to be different. I wouldn’t recommend it.
The typical range for radiator replacement cost is $100 to $2,500 with a national average of $1,500. Cost factors for this project include the heat source, radiator size, type, material, brand, ...
For the past six months I have had a problem with oil in the radiator of my VX Commodore. I thought it might be the radiator, so I had the mechanic replace it, but that hasn't solved the problem. The ...