| Yr | Cyl | Desc | UNIV | DF | PK | | 1996-1999 | 6 | All models with 3.0L 24 valve engine except California | N/A | 4052 | N/A |
| 1996 | 6 | All models with 3.0L engine, 12 valve U engine AX4N Transmission, except California | N/A | 4888 | N/A |
| 1996-1999 | 6 | All models with 3.0L engine, 12 valve U engine AX4S Transmission, except California | N/A | 4888 | N/A |
| 1993-1995 | 6 | All models with 3.0L engine, except SHO | 6804 | 4663 | N/A |
| 1992-1995 | 6 | All SHO models with 3.0L engine | N/A | 4525 | N/A |
| 1991-1995 | 6 | All models with 3.8L engine | 6904 | 4118 | N/A |
| 1988-1990 | 6 | All models with 3.8L engine, Main plus Pre Cat, except California | 6004 | 4583 | N/A |
| 1988-1990 | 6 | All models with 3.8L engine, Rear | 6004 | 4083 | N/A |
| 1988-1990 | 6 | All models with 3.8L engine, Front | 6804 | 1005 | N/A |
| 1986-1994 | 6 | All models with 3.0L engine, Single converter | 6909 | 4073 | N/A |
| 1986-1990 | 4 | All models with 2.5L engine | 6008 | 4124 | N/A |