I bought an '81 300D and it needed a compressor. I bought one that looks just like the bad one the P.O. had in the trunk but it looks like it needs some fittings that have a tapered or flange end. They aren't on the lines on the car and I don't see them anywhere else in the car.

Does anybody know what they look like and where I can get them?

Thanks

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1993 W124 300D
-297K on the clock as I type this.