the internal width of the car from one internal door panels to the opposite panel
I think the internal parts of a car is the inside of the car for example engineand external parts of a car are the outer parts of the cars which can easily be seen for example doors, windows, bonnet and many other things.
DOOR, DOOR HANDLE, DOOR RUBBER, DOOR WINDOW
If you were looking for replacement car parts for your car door or other parts you could try a salvage yard. They have a lot of used cars there. You could also try Ebay.
on what kind of car
To find a model car door for your RC race car, you can search for parts using key words that pertain to the version of race car you have. You can either find parts in an area near you or from online sources.
Auto parts store.
Some car parts are the dashboard, defroster, diesel engine and dip stick.Some more are the door, door handle, drive belt, drive shaft and driver's seat.
Oh, dude, when both handles are broken, you can try rolling down the window and using the exterior door handle, or you could crawl through the trunk if it's accessible. Worst case scenario, just call a locksmith or break a window - but like, maybe don't do that unless you're in a real pickle.
From the website Year one muscle car parts
look inside your car door. or at an auto parts store
Car parts that begin with the letter d:dashboard,defroster,dip stick,dome light,door,door handle,door locks,drive shaft,driver's seat,