| Yr | Cyl | Desc | UNIV | DF | PK | | 1997-1999 | 4 | All models with 2.0L engine, except California | 2538 | 4865 | N/A |
| 1996 | 4 | All models with 1.9L engine, except California | 2538 | N/A | N/A |
| 1991-1995 | 4 | All models with 1.8L engine | 6904 | 4522 | N/A |
| 1991-1995 | 4 | All models with 1.9L engine, without EGR port on converter | 2538 | 4113 | N/A |
| 1991-1995 | 4 | All models with 1.9L engine and EGR port on converter | 2538 | 4612 | N/A |
| 1987-1990 | 4 | All CFI models with 1.9L engine | 6804 | 4086 | N/A |
| 1986-1990 | 4 | All EFI models with 1.9L engine | 6008 | 4122 | PK-120 |
| 1985-1986 | 4 | All models with 1.9L engine and 2BBL carb | 6004 | 4123 | PK-120 |
| 1983-1985 | 4 | All models with 1.6L engine | 6004 | 4123 | PK-120 |
| 1981-1982 | 4 | All models with 1.6L engine, Automatic Transmission models require resizing of outlet to 1 3/4" O.D. | 6004 | 4042 | N/A |