a/c receiver drier/accumulator/filter drier-COOLKINGSpec:1. IN: M27 x 2.0 M2. OUT: M27 x 2.0 M3. L: 225mm4. DIA: 89mm5. without service port Suits:23. GM (BUICK RIVIERA 95-99 )24. GM (OLDS AURORA 15-1639)OE#:15. 272487816. 15-1639