An objective of this website is that people should be able to fully understand a question by reading the question, without reading all the comments. Comments are intended to be temporary and disposable. That's why I edited your question.
– RedGrittyBrickMay 18 '23 at 10:42
Seeing that the number is hand written on, I would suspect that it is either a code for a standard component or it is a proprietary component. What sort of vehicle is it ?
– Rohit GuptaMay 18 '23 at 13:13