| Yr | Cyl | Desc | UNIV | DF | PK | | 1999-2000 | 8 | All models with 4.8L or 5.3L engine, except California, Left or Right | 2516 | 9063 | N/A |
| 1998-2000 | 6 | All models with 4.3L engine and dual converters, except California, Left or Right | 2516 | 9063 | N/A |
| 1996-1998 | 8 | All models with 5.7L engine and dual converters, except California, Left or Right | 2540 | 9333 | N/A |
| 1996-1998 | 8 | All models with 5.0L or 5.7L engine and single converter, except California | 2517 | 9720 | N/A |
| 1996-1998 | 6 | All models with 4.3L engine, except dual converters, except California | 2517 | 9720 | N/A |
| 1994-1995 | 8 | All models with 5.0L or 5.7L engine | 2907 | 9648 | N/A |
| 1994-1995 | 6 | All models with 4.3L engine | 2907 | 9648 | N/A |
| 1993 | 8 | All models with 5.7L engine, except 26 1/4" converter | 2907 | N/A | N/A |
| 1993 | 8 | All models with 5.7L engine and 26 1/4" converter | 2907 | 9184 | PK-20 |
| 1993 | 8 | All models with 5.0L engine, except with 27 1/2" converter | 2906 | N/A | N/A |
| 1993 | 8 | All models with 5.0L engine and 27 1/2" converter | 2906 | 9529 | PK-22 |
| 1993 | 6 | All models with 4.3L engine and 27 1/2" converter | 2906 | 9529 | PK-22 |
| 1993 | 6 | All models with 4.3L engine, except with 27 1/2" converter | 2906 | N/A | N/A |
| 1990-1992 | 8 | All models with 7.4L engine, except 454 SS | 8007 | 9184 | PK-20 |
| 1990-1992 | 8 | All 454 SS models, Left or Right | 8007 | N/A | N/A |
| 1988-1992 | 8 | All models with 5.0L engine | 2906 | 9529 | PK-22 |
| 1988-1992 | 6 | All models with 4.3L engine | 2906 | 9529 | PK-22 |
| 1987-1991 | 8 | All models with 5.7L engine | 2907 | 9184 | PK-20 |
| 1983-1987 | 8 | All models with 5.0L engine | 6906 | 4001 | PK-19 |
| 1983-1986 | 8 | All models with 5.7L engine | 2906 | 9002 | PK-19 |
| 1983-1987 | 6 | All models | 8006 | 9002 | PK-19 |
| 1975-1979 | 8 | All models with 454 cid | 8006 | 9002 | PK-19 |
| 1975-1982 | 8 | All models, except 454 cid | 6906 | 4001 | PK-19 |
| 1975-1982 | 6 | All models | 6906 | 4001 | PK-19 |