Hi
Here are the lists of the Asus part numbers for the [https://www.asusparts.eu/en/asus/notebook/x-series/x751ma?ProductCategory=Hinge|LCD left and right hinges] and the [https://www.asusparts.eu/en/asus/notebook/x-series/x751ma?ProductCategory=Cover|LCD cover] for your laptop.
If you search online using the ''part number only,'' there are results for other suppliers if you don’t want to use the supplier in the links above.