| Yr | Cyl | Desc | UNIV | DF | PK |
|---|---|---|---|---|---|
| 1989-1992 | 6 | All models with 3.0L engine, except manifold mounted converter | 6906 | 4087 | N/A |
| 1985-1988 | 6 | All models with 2.8L engine | 6904 | 4377 | PK-16 |
| 1983-1984 | 6 | All models with 2.8L engine without thermo sensor | 6904 | 4377 | PK-16 |
| 1983-1984 | 6 | All models with 2.8L engine with thermo sensor | 6912 | 4351 | PK-16 |
| 1978-1982 | 6 | All models | 6904 | 4377 | PK-16 |