I bought mine from e-bay as a kit. It's worked fine and still blows cold with no noises.
eBay Store - TechChoice Parts A C: A C Compressors, Heat Transfer, Misc. Items
Item Number: 8065487483
price: US $225.00
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Ended: May-11-06 11:25:28 PDT
Shipping costs: US $13.00
Standard Flat Rate Shipping Service
Service to United States
Ships to: Worldwide
Item location: Midlothian, TX, United States
This auction is for a brand new, not remanufactured or used, complete A/C kit for the Grand National.
Kit includes...
Brand New R4 compressor with clutch. Manufactured right here in Dallas/Fort Worth by the same company that builds them for ACDelco.
Brand new Receiver Drier.
New Orifice Tube.
8 ounce bottle of OE approved, double-end capped PAG 150 oil.
New GM complete system o-ring kit. Contains every o-ring needed to service one A/C system, compatible with both R12 and R134a refrigerant.
1 Year Warranty, with optional Lifetime Warranty.
Compressor interchanges to the following part numbers:
ACDelco 15-2375 --> 15-20225.
General Motors 1131621, 1134014, 1134314, 1134349.
This A/C kit fits the following vehicles...
1986-1987 Buick Regal Grand National V6 3.8 Turbo
1987 Buick Regal Limited V6 3.8 Turbo
1986 Buick Regal T-Type V6 3.8 Turbo