Part Type: A/C Accumulator. Type: Accumulator. 1998 GMC Savana 3500 w/ P-Nut Inlet Fitting;. 2002 GMC Savana 3500. 1999 GMC Savana 3500. 2000 GMC Savana 3500. 2001 GMC Savana 3500. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.