It could be the engine, body or chassis.
the main part of a nobles land is called a manor
The main part of the Parthenon's column is called the shaft.
The main part of a mushroom is underground. It is called the mycelium.
The main part of a Christmas carol is typically called the chorus. It is the part that is repeated throughout the song and often contains the main message or theme of the carol.
what part of the story where things turn around for the main character is called the
Moving of a body part toward the main axis of the body is called adduction. Moving away from the main axis of the body is called abduction.
the main part of a computer system is called central processing unit or also known as CPU
Assuming you mean the point of the car in front of the front seats I believe its called the bumper. The rear of the car is called the boot.Hope this helps! ;]
Usually called the bulkhead.
The main part of our body that is attached to our legs and arms is called the torso. It includes the chest, abdomen, and pelvis.
The body or body region.
They are called rocker panels.