While realoem.com doesn't shot the part #'s; here's what was pulled off the
actual parts... (it wasn't easy; that plastic is so brittle)

Tray "top": 1 731 709
Tray itself 1 731 708
(2ea) little "caps" in the top of the tray: 1 711 432
(2ea) Spacers each spacer appears to be made up of two parts.  the actual
spacer, and a round protector.
 part I 1 711 435
 part II 1 711 434

Dealer suggests these based on the part #'s I pulled:
12-52-1-731-708     COVER           1       14.58
12-52-1-731-709     HOUSING         1       15.66
12-51-1-711-432     7-COVERIN       2        3.75
12-51-1-711-433     ADAPTER         2        3.00 - if this is right.

We're thinking the "apdapter" is the two bits combined.

Anyway; just thought I'd share what I found.

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