asb issue toothing.172 beam on a 1.4

[aterro]

hello right
i have a clio 1.4 16v dyna with a 172 beam.

previous owners put new discs and pads on.
but the toothing on it didnt make the abs work.

will i need the clio 1.4 16v toothing?

wheres the cheapest place to get these.

can i buy them seperate to the disc?

thanks