Jim, yeah that's the part. I already picked it up. It's not problem putting in the sliding channel. The problem is that metal part visible in the picture (the rivet) which is attached to just the arm now, since the plastic part broke. It's a pain to remove it from the arm.

Gabriel

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Gabriel
'91 350SD 162k
'83 300SD 210k - rear-ended and scrapped
'84 300SD 210k - totalled