Spare Tire Bumpers - JeepForum.com
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post #1 of 8 Old 03-20-2017, 08:57 PM Thread Starter
SouthernGypsy
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Spare Tire Bumpers

I need to order replacements for the missing spare tire bumpers on my 2004 Rubicon and discovered there are two part numbers with different lengths listed for a 2004 TJ's (and I wonder if they really mean length or do they mean how thick it is) and no mention of the Rubicon that I can find.

Part # 55345519 shows to be 1.85" in length
Part # 55013350 shows to be 1.62" in length

Does anyone know which of these would have been the OEM original on a 2004 Rubicon?

Was all 3 the same size or were the two uppers one size while the low one in the center the other size?


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post #2 of 8 Old 03-20-2017, 09:41 PM
JEK3
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I don't have a Rubicon, but mine were all the same length/thickness. I'm thinking one was for the 28" tire and the other was for the 30" tire (both were stock options). Also, the backspacing of the wheel would affect which to use.

If you can't get an answer which one to use, get the thinner one. If it isn't enough, put a 1/4" spacer behind it.
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post #3 of 8 Old 03-20-2017, 09:57 PM Thread Starter
SouthernGypsy
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Quote:
Originally Posted by JEK3 View Post
I don't have a Rubicon, but mine were all the same length/thickness. I'm thinking one was for the 28" tire and the other was for the 30" tire (both were stock options). Also, the backspacing of the wheel would affect which to use.

If you can't get an answer which one to use, get the thinner one. If it isn't enough, put a 1/4" spacer behind it.

Sounds like you're also kinda thinking that when they say "length" in the description that what they're really referring to is how thick it is.

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post #4 of 8 Old 03-20-2017, 10:21 PM
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Wish they made them for a 35" tire. I had to cut mine down, you can't cut them from the bottom then the bolt has nothing to hold them in place.

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post #5 of 8 Old 03-20-2017, 10:33 PM Thread Starter
SouthernGypsy
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Quote:
Originally Posted by Coyote1 View Post
Wish they made them for a 35" tire. I had to cut mine down, you can't cut them from the bottom then the bolt has nothing to hold them in place.
Cutting them down is easy. A simple trick is to use a table saw or radial arm saw, put the back (flat) side against the guide and if on a table saw use a stick to gently push it through with the guide set to the thickness I need. Works great and they are nice and flat. Then take a small file and just round the edges a small amount, wipe down with Armorall and your done. If you need to you can even set your guide on the table saw to cut a little, test fit, then a little more if needed and you can get them perfect for your size tire.


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post #6 of 8 Old 03-20-2017, 10:49 PM Thread Starter
SouthernGypsy
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Hey, FINALLY found the answer!

The Factory Parts List .PDF list some things in odd places but finally found it by pure luck.

For a 2004-2006 model the correct part number is the thicker 55345519 part number.

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post #7 of 8 Old 03-21-2017, 05:29 AM
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Quote:
Originally Posted by Coyote1 View Post
Wish they made them for a 35" tire. I had to cut mine down, you can't cut them from the bottom then the bolt has nothing to hold them in place.
I had to put 1" spacers behind mine when I went to 35's. Of course, my new wheels had much less backspacing.
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post #8 of 8 Old 03-21-2017, 07:18 AM
EricD
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It will definitely depend on the combination of the wheel/back spacing and the tire width. Your requirements could be different than others. I'd recommend mounting the spare and measuring what you think would be a good depth.
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