1994 Buick Regal Submodel: Custom; Engine: 3.1L V6; EngineCode: L82; EngineVIN: M;. Part Type: A/C Accumulator. 1996 Buick Regal Submodel: Custom; Engine: 3.1L V6; EngineCode: L82; EngineVIN: M;. 1995 Buick Regal Submodel: Custom; Engine: 3.1L V6; EngineCode: L82; EngineVIN: M;.