A palindrome for a rotating engine part is Rotor.
rotator
The word rotor is used to refer to a rotating part of a machine. It is also a palindrome.
crankshaft
The palindrome is Eye.
A palindrome for a part of a motor that turns or rotates is a rotor.
"Level" is a palindrome meaning "no part higher than the other."
Because it engages/disengages the rotating power of the engine from the transmission.
Could be rotating the engine the wrong direction.
eye
eye
eye
Otto, Iggi, Natan... Use a search engine. Lots of cultures have palindrome names.