Car with parts replaced at last (6)
I believe the answer is:
wheels
'car' is the definition.
(wheels can informally mean a car)
'with parts replaced at last' is the wordplay.
I cannot really understand how this works, but
'with' could be 'w' (abbreviation) and 'w' is located in the answer.
'parts' could be 'heels' (heel is a kind of part) and 'heels' is found within the answer.
No letters remain.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for wheels that I've seen before include "Turns in a wide circle" , "Rotary devices - motor transport" , "Car (informal)" , "Personal transport" , "Circular frames with spokes" .)