theres thousands of parts that are the same.

the front pads,


williams are the same as the 16v, also the same as the rtsi's, and the 1.4's with girling pads, which were also used on some jag xj40 rear axles.

Rear pads are the same on the williams, rsi, 16V, megane, 19, 309, 205, 206 and so on.

rack is the same on the 1.2/1.4's as the 16V, the willaism has longer track rods.

and yes its a thread would go on forever.