why would you do that?
Replace the fuel filter every 36,000 miles. A clogged fuel filter can cause the fuel pump to overheat and fail. A costly repair.
Subtitutes
The compressor will seize. They are very costly to replace.
Yes it is possible although it is costly and not so easily got.
The cost of motor mount replacement varies from car models. Some are easy to replace and are inexpensive, while others are complicated and costly.
BIG job,costly. Replace with mopar eng. 318-360.
No you don't. They can cut the pipe and weld the flex pipe into place...otherwise it will get VERY costly
Upscale Apex
If you replace the entire unit, you are looking at an expensive fix ranging from $200-$2,000 depending on the model. Window air conditioners are inexpensive, but the outside units get costly the bigger you get.
It is not very often that an ECM needs to be replaced. Generally they can be reprogrammed. Be sure of what and why you are doing what you are about to do. Guessing is very costly.
take off your steering wheel, and replace your ignition, its fairly easy, and depending on your model, not very costly
You can permanently damage the catalytic converter (if fitted) which can be costly to replace.