WTB Rubber cover for rear bumper bracket

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SJFry

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Hi,
This is my first post here, so if I screwed something up, please be kind.

I'm looking for the drivers side bracket cover for the rear bumper. It's item #9 shown in the schematic (the rubber piece). The part number is 51121823117. If you have a pair that you don't want to split up, that would be fine too. I'll take em both.

It's needed for my 1973 3.0CS. I managed to rip/mangle mine recently and would like to replace it.

Thanks in advance,
Keith

upload_2018-1-25_20-0-12.png
 
Keith,

Incredibly hard to find unfortunately. Please add your location to your profile and maybe your coupe to your signature. You can JBWeld a piece of aluminum under the flat part and paint with that spray on rubber stuff.

Chris
 
Looks like it would be relatively simple to mold out of eurethane rubber. I had a shop mold me a block of hard black eurethane to my specifications for an offroad coupling that I built for my trailer. Not as complex as the part above, but that part looks simple also...

97ceacbe2f0417fef7669eb495845a84.jpg
 
Thanks for replies guys. I didn't realize they were so rare. Rats.

I may take your advice and somehow make my own. A mold sounds like something I might be able to do. And I wonder if I could use "Plasti Dip" as a material. May be worth a shot.

Keith
 
This thread is a great example of something I experience on the forum nearly every day:
- Oh, that's an interesting part. Didn't know it existed.
- Hmmm, I see that I don't have that part. Crap.
- It's a hard to find part? Darn. Add that to the "list" of things I need to find.
- I see there are ways to build/create an alternate. All smiles. (add it to a different list of things I need to make).

Everyday is a roller coaster here! I love it. ;)
 
SJFry said:
Thanks for replies guys. I didn't realize they were so rare. Rats.

I may take your advice and somehow make my own. A mold sounds like something I might be able to do. And I wonder if I could use "Plasti Dip" as a material. May be worth a shot.

Keith
Click to expand...

Does anyone have a picture of the real thing?
 
At least it’s 73 US only. It sits on top of the hoop and wraps down on the sides. I’m in Chico so can’t get a pic.
 
Steve,

Looking at your pics it appears that there is a slight bend to the plastic. If you can get a measurement of the distance from the car to the bumper that would indicate how large of a tube one needs. It is easy to find 2x2 square plastic tube but 3x3 is harder. OP - you should be able to make this easily with some vinyl downspout tubing and a heat gun. If you don't already own a heat gun, you should buy one. :) Ideally it would be good to hunt around the net for a piece of 3x3 black square tube and confirm that you can heat bend it.

https://www.lowes.com/pd/Amerimax-Contemporary-120-in-White-Vinyl-Downspout/1000244867


Heat beding is fun. I bent 9' sections of PVC (Azek) decking using my poweder coater's oven and a plywood jig I made. Of course I couldn't build a square deck - that was interesting!
 
There is no curve at trailing edge that I recall, it droops from age and gets wavy across width. Plastidip gives it a cover coating.
 
HB Chris said:
There is no curve at trailing edge that I recall, it droops from age and gets wavy across width. Plastidip gives it a cover coating.
Click to expand...

Even easier. In Steve’s pics it looks like it follows the curve of the tail light.
 
Hi all,
I just wanted to revisit this thread to give an update. I was able to make some reproduction pieces myself.

Using an original part, I took some measurements and created a CAD model. Sent the CAD model to have 3D printed. Used the 3D printed model to make a mold. Then used the mold to make positive parts. It was a long process, but they don't look half bad. Considering one of mine was completely mangled, and the other has seen 40+ years of wear, I didn't have a lot of options.

Here are some pics.

The original one the bottom, the reproduction on the top.
upload_2018-4-14_12-11-11.png


upload_2018-4-14_12-11-47.png


The top side isn't perfectly smooth, but luckily some of it is hidden under the bumper when mounted.
upload_2018-4-14_12-12-23.png


Squishing the reproduction part. It's pretty close to the original.
Can you see the small bubbles on the underside? That kinda bugs me. I don't know if that's because of my technique, or because of the release agent I used. But you can only see them if you look under the bumper (or if you know they're there).
upload_2018-4-14_12-13-16.png


Before installing them.
upload_2018-4-14_12-16-47.png


After installing them.
Notice that I got the curvature wrong too. It doesn't hug the body as well as I'd like.
But I'm happy with them.
upload_2018-4-14_12-17-30.png


Thanks,
Keith
 
I would most certainly buy a pair. Please let me know price and production time.
Thanks -steve
 
The metal hoops may be the same, but the covers for the 2002 are L & R, with a little "hook" on each end. I bought a pair when I thought I was going 73 on my chrome bumpers for my 76 2002 (went 72 instead)...these would probably still work...Nice job on the repros. I agree, that with some tweaks, you could sell quite a few on both boards...
 
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