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Go to the auto parts store and pick up a different one, test fit it in the knuckle. I just returned another set of Moog ball joints that didn't fit right.
Get the Moog "Problem Solver" ones if possible. They have a steel ball socket inside and will last much longer than the plastic socket versions found in many other tie rods.
Well if you already have one there to compare it with then there's no need to go on your 300 km trek. If the tie rod uses the jam nut it goes in from the bottom, if it has an adjusting sleeve it goes in from the top. Looks like the right setup from your pic but doesn't mean it's the correct knuckle or hasn't been messed with. I'm willing to bet that is your issue.
...i got out of bed, trekked 50 meters in knee deep snow on my underpants to have a test fit..