follow up:

While the part was great, the head lamp unit I was repairing had sustained considerable internal damage, many plastic parts broken off, and lost in the accident, so no JB Weld to the rescue. Will be ordering a used head lamp, and if it arrives with some sand blasting, I'll already have the new glass. So before you just swap a lens take a careful look inside, don't be a dummy like me. SWMBO and I have decided the animal that was hit must have been one of the local wild hogs. Had fur inside the headlight.

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91 300 TE 235K
93 Cabriolet 155K sold
92 300 TE 200K boneyard