| Executive Order | Approval |
|---|---|
| D-280-98 | Valid |
As of Saturday, December 28th, 2024 there are no invalid or superceeded Executive Orders for this part number.
T-1 PRE-OBDII
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]
| Vehicle | Application | E.O. | Total Converters | Cat Location / Type | Test Group |
|---|---|---|---|---|---|
| 1987 Ford F-250 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1987 Ford F-350 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1988 Chevrolet K2500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1988 Ford F-250 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1988 Ford F-250 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1988 Ford F-350 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1988 Ford F-350 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1989 Chevrolet K2500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1989 Ford F-250 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1989 Ford F-250 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1989 Ford F-350 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1989 Ford F-350 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1990 Ford F-250 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1990 Ford F-250 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1990 Ford F-350 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1990 Ford F-350 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1991 Chevrolet C3500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1991 Ford F-250 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1991 Ford F-250 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1991 Ford F-350 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1991 Ford F-350 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1992 Chevrolet C3500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1992 Ford F-250 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1992 Ford F-250 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1992 Ford F-350 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1992 Ford F-350 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Chevrolet C2500 Suburban 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Chevrolet C3500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Chevrolet K1500 5.7L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Chevrolet K1500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Chevrolet K1500 Suburban 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Chevrolet K2500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Chevrolet K2500 Suburban 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Chevrolet K3500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Ford F-250 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Ford F-250 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Ford F-350 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1993 Ford F-350 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1994 Chevrolet C2500 Suburban 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1994 Chevrolet C3500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1994 Chevrolet K1500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1994 Chevrolet K1500 Suburban 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1994 Chevrolet K2500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1994 Chevrolet K2500 Suburban 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1994 Chevrolet K3500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1994 Ford F-250 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1994 Ford F-250 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1994 Ford F-350 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1994 Ford F-350 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Chevrolet C2500 Suburban 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Chevrolet C3500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Chevrolet K1500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Chevrolet K1500 Suburban 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Chevrolet K2500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Chevrolet K2500 Suburban 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Chevrolet K3500 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Chevrolet Tahoe 7.4L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Ford F-250 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Ford F-250 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Ford F-350 5.8L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL | |
| 1995 Ford F-350 7.5L | ALL | D-280-98 | 1 | Underbody / UNIVERSAL |