Part Type: A/C Accumulator. 1991 Pontiac 6000 Submodel: LE; Engine: 3.1L V6; EngineCode: LHO; EngineVIN: T; FuelSystem: MFI; Without Service Port;. 1991 Pontiac 6000 Submodel: Special Edition; Engine: 3.1L V6; EngineCode: LHO; EngineVIN: T; FuelSystem: MFI; Without Service Port;.