| Yr | Cyl | Desc | UNIV | DF | PK | | 1996-1997 | 8 | All models with 5.7L engine, except California, Front and Rear | 2516 | N/A | N/A |
| 1996-1997 | 8 | All models with 7.4L engine, except California, Rear | 2516 | N/A | N/A |
| 1996-1997 | 8 | All models with 7.4L engine, except California, Front | 2516 | 9703 | N/A |
| 1993-1995 | 8 | All models up to 9000lbs GVW | 8007 | 9184 | PK-20 |
| 1993-1995 | 8 | All models up to 12,00lbs GVW (11,620lbs GVW in California) | 10907 | 10903 | N/A |
| 1987-1992 | 8 | All models up to 9000lbs GVW | 8007 | 9184 | PK-20 |
| 1987-1992 | 8 | All models up to 12,00lbs GVW (11,620lbs GVW in California) | 10907 | 10903 | N/A |
| 1986 | 8 | All models with 5.7L engine and converter, under 9000lbs GVW | 8006 | 9529 | PK-22 |