Radiator Plug - Defender Source
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  #1  
Old July 29th, 2008, 09:55 AM
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Radiator Plug

Well, I was changing my radiator and broke the plastic fill plug. I guess I tightened it too much. Anyways, I searched and it seems like most of you are running the EE brass plug, except for the few that got it somewhere else. I went to NAPA and they didn't know what size it was or what to sell me.

So, it looks like a 1/2" pipe thread, can anybody verify this for me? I'm not cheap but I don't like waiting for parts. I can buy a 1/2" pipe thread plug from any plumbing supply house and a copper washer to fit, heck even Home Depot carries that stuff now.

Has anyone replaced their plug and what is the thread?



And Pendy, I'll ship the other one this week, with the plastic plug you provided. I don't like "stealing" parts. Thanks again!
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  #2  
Old July 29th, 2008, 10:04 AM
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Ryan
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I've read that it was a 3/4" BPP plug

I had one of the one's from EE (for the D2 diff fill plug) crack on me.. I got a replacement from Tom Rowe (Antichrist on here i believe)... its a very nice solid design that has worked great.

Check out this post on Dweb, http://discoweb.org/forums/showthread.php?t=46971 -- Lot of different ideas of what works best..
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  #3  
Old July 29th, 2008, 11:10 AM
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John B.
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1/2 BSPP plug. (British Standard Pipe Parallel) Very common in some parts of the world....
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  #4  
Old July 29th, 2008, 12:35 PM
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If you use a 1/2" pipe threard in brass it will work fine a little teflon goo and you're good to go.
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  #5  
Old July 29th, 2008, 10:38 PM
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jim pendleton
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You can use the plug I sent-Its not a problem. Just put something in the core you send back to keep it from leaking.

JP

Run the engine with the chip yet?
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  #6  
Old July 30th, 2008, 07:27 AM
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Pendy- not yet, that's my next project. I went out of town last week and I was scrambling to get the truck back together- then I learned they closed the 4x4 access on Hatteras so I left it where it was.

What I've learned is that the NPT (American pipe thread) is tapered. You can't really see the difference, but a copper o-ring that will fit on the plastic plug gets hung up near the nut on the NPT plug.
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  #7  
Old July 30th, 2008, 08:16 AM
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Johnathan Tisdale
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I used the NPT brass plug I got from Napa for less than $2 for years with a copper o-ring. As Keith stated a little teflon tape will seal it up no problem, mine was leak free.
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  #8  
Old July 30th, 2008, 08:34 AM
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where did you find a copper washer of the correct diameter?
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  #9  
Old July 30th, 2008, 09:20 AM
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Johnathan Tisdale
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Quote:
Originally Posted by Cirbo
where did you find a copper washer of the correct diameter?
napa too
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  #10  
Old July 30th, 2008, 12:01 PM
Kev Baldwin
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From the UK, but still cheap enough. http://cgi.ebay.co.uk/Land-Rover-300...3286.m20.l1116
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  #11  
Old July 30th, 2008, 01:49 PM
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I found the correct one here for $5.

http://fittingsandadapters.stores.ya...bsplugbs1.html

But they have a $10 minimum order so I'd need to buy three of them! I went the NAPA route as Tis suggested on another thread and ended up spending $3 total. The copper washer is not quite the right size- it needs persuasion to seat against the flare- but it seems to work just fine.
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  #12  
Old July 30th, 2008, 03:03 PM
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Tiz is the man. Now if we could just get him to change his avatar.
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  #13  
Old July 30th, 2008, 03:17 PM
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John B.
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I get them for $2 out of the UK. If people are interested, I'll buy a bunch with my next parts order.

or Google ERR4686B to buy yourself...
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  #14  
Old July 30th, 2008, 03:50 PM
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I used a PVC plug for a long time till I finaly went to a local hardware store and bought a brass plug for $2. The pvc works for a short fix.
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  #15  
Old July 30th, 2008, 05:28 PM
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Johnathan Tisdale
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Quote:
Originally Posted by Cirbo
Tiz is the man. Now if we could just get him to change his avatar.
Cirb isn't that like the pot calling the kettle black?
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  #16  
Old July 30th, 2008, 11:03 PM
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jim pendleton
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I'll take 5 of them. I'll add it to your core charge amount( 50 + 50 = 100) when I get the old radiator back. Thats a good price. Send a copy of the invoice for them as well please.

Thanks
JP
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  #17  
Old July 31st, 2008, 07:24 AM
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Quote:
Originally Posted by WhiteD90
Cirb isn't that like the pot calling the kettle black?
I don't understand? You don't have a white "90" anymore, and I look exactly like my Avatar. ;-)
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  #18  
Old July 31st, 2008, 09:12 AM
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Johnathan Tisdale
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Quote:
Originally Posted by Cirbo
I don't understand? You don't have a white "90" anymore, and I look exactly like my Avatar. ;-)
What can I say, both of those statements are true!
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