Since this is the same compressor used on many american autos of that time, the compressors are very inexpensive even new ones.

I always purchase new...You may want to flush with an alchohol and or oil based solution. There are many on the market that are good.

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Benzmac:
Donnie Drummonds
1991 GMC Syclone
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM