It will depend on what parts are in good working order and what the need for those parts are. I might try a junkyard to see if they would purchase them. If that does not work you may want to place an ad on craigslist to see what the highest bid is.
O'reilly is a good place and AutoZone is another good place to shop for replacement auto parts also, you could check with a good salvage yard if they have the right parts you need.
A good place to get Nissan auto parts is eBay, you can search for what you want and seek our parts that are within your price range. You also have the option to buy brand new parts or second hand parts.
It is a Chevy Trailblazer or GMC Envoy. It is no longer an Isuzu.
If you need a good salvage parts place you will need to find a local place that has many cars that you are able to take parts from. Some places will let you even pull the part that you need so you can have the right part.
Several online retailers provide foreign car parts at a convenient price. Two such resources are www.partsandaccessories.com and www.autopartswarehouse.com
The world is a extremely good. Just because you cannot see its good parts and only its bad parts does not mean that your bias is correct.
This is where I go to get my auto parts. They have pretty good prices. Auto zone
Gun Parts Corp or Jack First websites
http://jdmpartsking.blogspot.com/ is the first place I would start. It gives you a list of suppliers and parts, everything is there that you would be looking for.
The 1991 Isuzu pickup 4x4 typically comes equipped with a 5-speed manual transmission known as the Isuzu MUA5. This transmission is designed to handle the demands of off-road driving and towing, providing a good balance of power and efficiency. If you need specific details or parts, it's always a good idea to consult your owner's manual or a trusted mechanic for confirmation.
The nissan owners club is a good place to find cheap parts