GM Service Manual Online
For 1990-2009 cars only

Application

Type of Material

GM Part Number

Air Conditioning (A/C) System Internal Lubricant (Including Compressor)

Polyalkylene Glycol (PAG) Synthetic Refrigerant Oil

12345923

(or equivalent)

Air Conditioning (A/C) System O-Ring and Fitting Lubricant

Mineral Base 525 Viscosity Refrigerant Oil

12301108

(or equivalent)