how much does a rear end cost new or used and were could I purchase one on 1990 Nissan 300ZX

It is making a sound and have replaced the bears

Asked by for the 1990 Nissan 300ZX
1 answer
You can find out whatever you need to know by calling an auto parts recycler (junkyard), they have prices and a crossover list for you. Prices are so variable, I can't really give you good information from here.
If you want to find a specialist, here's our directory link for you: