PONTIAC EXHAUST EMISSION TUNE UP LABELS A EMISSION YEAR MODEL AND USAGE CODE STANDARDS PART NO 1983 X 2 8X w M T M19 DSF Fed 14065542 1983 X 2 8X w M T MD9 NM5 Export Canada NM8 Export DUN 14065578 1983 X 2 8X w M T M19 NM5 Export Canada NM8 Export DUR 14065579 1983 X 2 8X w M T M19 NM5 Export Canada exc NM8 Export DAF 14062281 1983 X 2 8X w A T MD9 NM5 Export Canada exc NM8 Export DAH 14062282 Design 1 Use on jobs with 260 single bed beaded converter Design 2 Use on jobs with 250 dual bed beaded converter j WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION W 89 a w 491