Front End Clunk, and Have you Tried Duralast Upper Control Arms?

Vincent Vega

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My 04 4x4 with 150k miles has a front-end clunk that I originally thought was jacked lower ball joints. I replaced them recently. They were completely trashed. But the clunk is still there. Not noticeable onroad. very noticable offroad, which is what I use my Exp for mostly.
After checking and double checking, the only thing I found in the front end is a little play in the upper ball joint on the passenger side. And the only way I was able to detect it is squeezing it with channel locks. Maybe 1/32 inch of play, not alot. Doesnt seem to match the magnitude of the clunk I am having, but maybe it doesn't take much?
Bearings, tie rods, shocks, coils, coil mounts all appear good. I retorqued all front end connections to Ford specs.
I found no play in the sway bar links but it seems hard to get a good read on those - the sway bar has tension regardless of whether its flat on the ground (loaded) or jacked up by the frame (unloaded).
I normally am a Motorcraft guy, But I am considering buying Duralast (Autozone) Upper control arms for the lifetime warranty. I might beat up alot of UCAs offroading so the warranty might work out in this case. If they start to go **** up, they will start clunking long before leaving me somewhere (not like a coils or ignition parts).
Has anyone tried Duralast upper control arms, and/or have similar clunk issues? I can't say I am 100% sure the uppers are bad and don't like just firing a parts cannon to see what the fix is.
Thanks guys.

@Hamfisted @OverlandExpy
 

Expd830

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Why not go with Moog products for the same type of warranty. I have been using them for years and they seem to be a better brand.
 

OverlandExpy

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@Vincent Vega havent tried anything but the OEM uppers so far, but keep us posted on what you do!

What conditions does the clunk happen in? When you're going over bumpy terrain? or when you're on the brakes?
 
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