NEW A/C COMPRESSOR This is a listing for a brand new replacement A/C Compressor(Compressor may contain PAG oil for lubrication during shipping; please drain and replace) UAC is the premier aftermarket brand in the industry with over 30 years of experience. Applications: 2020-2020 Cadillac XT6 3.6L 2017-2019 GMC Acadia 3.6L Except All Terrain Package; OEM and Competitor Interchange: Technical Specifications:.