The phrase "actual part" is correct and usable in written English.
It can be used to refer to the real or true component of something, often in contrast to something that is perceived or assumed.
Example: "In this project, the actual part that needs improvement is the user interface, not the backend functionality."
Alternatives: "real component" or "true element".
There's actually an actual part called Live, which I think Microsoft might actually take issue with.
It gives the actual part itself a kind of credibility and gives you a model.
He, his wife, Nancy, and their 9-year-old daughter, Ileana, often explore New York's rich live music scene, but Mr. Kennedy is also hoping to become an actual part of that scene sometime in the near future.
If he's out there and he's active, and you saw all those guns the boys had in that video, it shows that it's an actual part of their culture".
They have become an extension of ourselves — not in the sense that an expensive watch says something about whom we want to be, but as an actual part of our conscious self.
Rachel Brown of Wellfleet, Mass., noted: I have never understood the enclosing of punctuation such as commas and periods within quotes when the punctuation is not an actual part of the quote.
But in the past year there has been a greater increase in actual part-time employment for 25-64 years olds than for full-time, and the same scenario is reflected for youth and for worked over 65 years of age.
The actual and predicted data depart dramatically beginning in September 2009, with actual part-time employment 1.2 million below predicted part-time employment by December and averaging 975,000 part-time positions below what was predicted over the months August 2009 to December 2010.
After the prototype is approved, Watermark tunes its lathes and milling machines to make the actual parts.
The quadrennial Republican and Democratic nominating conventions stopped being actual parts of the nominating process in the 1970s.
(If true, the two kids must have been highly inquisitive: it is extremely difficult to even discern the actual "parts" without magnifying the image).
