in this context would be the sealing strip designed to prevent wind drafts, water, and noise from entering the cabin.
In genetics and neuroscience research, is the ID for a specific transgenic line from the Bloomington Drosophila Stock Center (BDSC 52110).
It sounds like you are referencing specific automotive or scientific terminology, but there are two main ways "52110 rar" and "draft piece" might be interpreted: 1. Automotive Part: Toyota Yaris Weatherstrip