This is the door catch of a 928.  Notice the special bolt. Wear causes clicking of the door catch when closing

Fits Model: 924 (F 92481 04549>>) / 924 S / 944 / 944 S / 944 S2 / 944 turbo / 968

MY: 76 - 95

Left:
Porsche Part number: 928.537.417.02 (mounting bracket), 944.537.609.00 (Door catch), 928.537.419.03 (Bolt)

Right:
 

Fits Model: 924 (F 92481 04549>>) / 924 S / 944 / 944 S / 944 S2 / 944 turbo / 968

MY: 76 - 95

Porsche Part number: 928.537.418.02 (mounting bracket), 944.537.609.00 (Door catch), 928.537.419.03 (Bolt)

 

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The door catch bracket is held to the pillar by two "vielzahn"  torx bolts (XZN style, or Linzenschraube as the Germans say). One was butchered by the previous owner, and with a lot of persuasion, hammer and chisel, reverse drill and patience I got them out. The new bolt is  2x  928 537 459 02. It became a normal Torx bolt with the same party number which was fine by me.

Here's a pic of what it looks like: