1973 Coupe deVille parts needed

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Does anyone have a source for the rear bumper cushions indicated in the pages below from my parts book?  I have 2 '73 Coupes and the rear bumper cushions described below are completely missing from both cars.  Anyone else come up against this?  What was your solution, just find some large hunks of scrap rubber and make something up?  Replace the (missing) cushions with  steel spacers?  Would rather have the correct part, new, re-popped, or excellent used if it is available somewhere but am open to suggestions.  I need 2 of each one.
Haven't seen these cushions in the Steele Catalog, USA Parts, OPGI, nor McVey's.   Thanks for any help you can provide.

[Mike Josephic CLC #3877]

Try USA Parts.  They reproduce many of these pieces.  I purchased several
rubber bumper strips from them for my 1973 Eldorado and found the quality
and fit were perfect.

They are on line at:  http://www.usapartssupply.com/cadillac.php

Mike

[35-709]

Thank you, Mike.  In the last sentence of my post I mentioned that USA Parts (among others) does not have what I am looking for.
 
To clarify, the rubber cushions I need are NOT the rubber strips that go in the bumper face, those would be #2 in the parts book illustration I included.  GM calls those a "pad" and are part number 160112. 

I need the rubber cushions that go between the bumper and the bumper mount (#31 in the illustration, 1 each side, part number 1601221) and the rubber cushions that go between the bumper ends (taillight housings) and their upper mount (#10 in the illustration, 1 each side, part number 1601303).

From my limited experience I would venture to say that a lot of '73 RWDs and Eldos are out there without those rubber cushions.  They deteriorate and fall away.  These cushions are what give the rear bumper its "energy absorbing" claim.
 

[Mike Josephic CLC #3877]

Sorry -- I didn't catch that.

The rear bumper rubber cushions on my '73 Eldo I cleaned up and reused.
They were not that bad.  Cleaning them up and and good soaking in
Armour All renewed them enough to reinstall. 

They were part of the "energy absorbing bumper system" that the goverment
mandated that year.

If USA doesn't have them and Steel and the others that you mentioned I
am at a loss.  The only other possibility is a salvage yard (somebody like
Honest John's Caddy Parts).  He is a Club member and has acres full of old
Caddy's in Texas.

Mike

[35-709]

Thank you again, Mike, I'll try Honest John and a few of the other salvage yard guys.