It depends. Usually they should be checked when you do your regular 3K oil change. If the filter is dirty--a dark gray--then it should be replaced.
When well-maintained it can last for ten years.
The refrigerant (freon) in any air conditioner should last the life of the unit. If not, you have a leak.
10 years
50,000 miles or permanently if it is a permanent filter in the tank.
Most cars will last as long as they are cared for. My Camaro is a 1986 and is running strong and well.
No, the air conditioner would not last long at it would be running too slow.
Normally they last the life of the engine or longer. No real guarantee.
1 hour and 46 minutes
Who knows as there are no hydrogen cars in production.
this kind of filter is more advanced in holding more so it will out last up to 6-8 months than the standard ones
Change the oil filter every time you change the oil.
Change the oil filter every time you change the oil.