MagnaFlow CARB-Grade California-compliant direct-fit catalytic converter (4583378) for the 2003 Ford E-350 Super Duty 5.4L, also fitting the Ford E-150 and E-250. Mandrel-bent 409 stainless tubing with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding and includes gaskets and hardware. CARB compliant and legal for use in California and CARB states.
| Type | Direct-fit catalytic converter |
| Grade | CARB Grade |
| Material | 409 stainless steel |
| Hardware | Gaskets & hardware included |
| OEM Replacement | 1C2Z-5F250-BA, YC2Z-5F250-AA |
| Emissions | CARB EO compliant (CA legal) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003 | Ford | E-150 | Base |
| 2003 | Ford | E-150 Club Wagon | Chateau |
| 2003 | Ford | E-150 Club Wagon | XL |
| 2003 | Ford | E-150 Club Wagon | XLT |
| 2003 | Ford | E-250 | Base |
| 2003 | Ford | E-350 Club Wagon | Chateau |
| 2003 | Ford | E-350 Club Wagon | XL |
| 2003 | Ford | E-350 Club Wagon | XLT |
| 2003 | Ford | E-350 Super Duty | Base |
