I'm in the process of working on the body and had to remove the bumper and rubber end bits. Those big rubber bits have untreated steel that hold them to the car.

Ive searched and can't find anything about what these end rubber bits are called, and if I can just buy the metal bracket that goes inside of them that then screws onto the car, the rubber part is in excellent condition, the metal bracket barely held it against the car.

I need to replace all the brackets for all four corners, they're all rotted out, and did a nice job of taking some body with them.

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1982 300TD 300,??? miles, daily driver turned donor
1982 300TD, 184,000 miles, daily driver