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Old 07-14-2020, 03:32 PM   #1
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Zerk Fitting size

Due to this awesome forum, I found all the lubrication points on my 99 Tropical, but I need to replace some of the zerk fittings themselves, and before I crawl back under, does anyone know the size of the fittings themselves? Im trying to prevent having to go to storage lot and take one out, then go to parts store, so any help is appreciated!

Thank you
Scott
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Old 07-14-2020, 06:20 PM   #2
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In 90% of the cases there are only 2 sizes used.

The small 1/4 28 SAE thread and the larger 1/8 male pipe thread.

Pick up 5 or 6 of each, throw them in your pocket and head under.
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Old 07-14-2020, 07:24 PM   #3
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I've run into some ZERK fittings that were pressed or driven in and not screwed in.
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Old 07-14-2020, 07:29 PM   #4
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Bigd9 is correct. there are some fittings that are pressed in. They can usually be replaced with a threaded fitting but you would need to tap the hole. Pressed fittings don't have a hex on them for a wrench.
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Old 07-14-2020, 07:30 PM   #5
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Quote:
Originally Posted by Bigd9 View Post
I've run into some ZERK fittings that were pressed or driven in and not screwed in.
Yeah, and there are also metric ones too. Just pull out a few and let an auto supply store match them. Harbor freight has an assortment of them https://www.harborfreight.com/32-pie...ngs-67569.html
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Old 07-14-2020, 08:39 PM   #6
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I've run into some ZERK fittings that were pressed or driven in and not screwed in.
On a 1999 Tropical Motor home chassis ?
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Old 07-14-2020, 08:40 PM   #7
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Originally Posted by Pigman1 View Post
Yeah, and there are also metric ones too. Just pull out a few and let an auto supply store match them. Harbor freight has an assortment of them https://www.harborfreight.com/32-pie...ngs-67569.html
On a 1999 Tropical Motor home chassis ?
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Old 07-15-2020, 06:33 AM   #8
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If its a Ford F53, there are 9 Zerks on the front suspension. ALSO - take a look at the u-joints. Mine has 4 u-joints and they all have zerks.

I assume your asking about thread size.. I don't know..
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Old 07-15-2020, 07:39 AM   #9
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On a 1999 Tropical Motor home chassis ?
If you don't know....CHECK
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Old 07-15-2020, 08:11 AM   #10
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Zerk Fitting Size

Thanks for all the responses. Harbor Freight has a couple kits, metric and standard, that are cheap enough, so I'll grab one of each and get to lubin!! LOL

Thanks again!
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