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MagnaFlow 458041 Catalytic Converter - Left
California OBDII Direct-Fit Converter
MagnaFlow 458041 is a California Grade, CARB-compliant direct-fit catalytic converter for specific Ford E-Series applications. It is built for the 2005 Ford E-250 and 2005-2006 Ford E-350 Super Duty, with a left-side fitment and OE-style installation points for a straightforward replacement.
As part of MagnaFlow’s Direct-Fit CALIFORNIA OBDII CONVERTERS line, this converter is engineered for vehicles that require CARB-approved emissions equipment. The design uses stainless steel construction, a ceramic substrate, mandrel-bent tubing, and a bolt-on inlet with clamp-on outlet to help restore proper exhaust flow and maintain emissions system function.
Key Features
- Direct-fit catalytic converter for specific Ford E-250 and E-350 Super Duty applications
- CARB-compliant California Grade design for listed vehicles
- Stainless steel body and tubing for corrosion resistance
- Ceramic substrate for emissions control performance
- Mandrel-bent tubing to reduce flow restriction
- Heat shield attached for OE-style packaging
- Mounting hardware included for installation convenience
- Pre- and post-converter oxygen sensor locations
- Interchanges with OE part numbers 5C2Z-5E212-AA and 5C2Z-5E212-BA
Detailed Description
MagnaFlow 458041 is built for drivers needing a direct replacement catalytic converter for the left side of the 2005 Ford E-250 and 2005-2006 Ford E-350 Super Duty. Using 3D scanning in the design process, MagnaFlow shapes the converter to match original equipment fit and function while keeping the installation process simple. This part cross-references OE numbers 5C2Z-5E212-AA and 5C2Z-5E212-BA for the same application.
The MagnaFlow Direct-Fit CALIFORNIA OBDII CONVERTERS line focuses on emissions-system replacements that meet California Air Resources Board requirements for the listed vehicles. For shoppers searching for a 2005 Ford E-250 left catalytic converter or a 2006 Ford E-350 Super Duty CARB-compliant direct-fit catalytic converter, part number 458041 provides an OE-style solution with the correct mounting style and emissions configuration.
What This Part Helps Address
- Check engine light concerns related to catalytic converter efficiency
- Failed emissions inspection due to a worn or restricted converter
- Corrosion damage on the original exhaust converter assembly
- Fitment issues caused by a damaged or previously repaired factory unit
- Exhaust flow restriction from an aging converter substrate
Installation Notes
This is a specific-fit, bolt-on catalytic converter designed for the listed Ford E-Series vehicles. No cutting or welding is required when installed with the proper tools. The converter uses a clamp-on outlet and includes mounting hardware, which helps simplify replacement of corroded factory components. Verify left-side placement, oxygen sensor locations, and OE interchange before installation.
Quality Assurance
MagnaFlow designs this converter using 3D scanning and metrology-based fit verification to help ensure OE-style fit and function. It is built to meet or exceed California Air Resources Board requirements and has undergone additional testing for CARB guideline compliance on the listed applications.
| Brand | MagnaFlow |
| Part Number | 458041 |
| Position | Direct-Fit CALIFORNIA OBDII CONVERTERS, Left |
| Mounting Hardware Included | Yes |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Tube Material | Stainless steel |
| Inlet Type | Bolt-on |
| Outlet Type | Clamp-on |
| Heat Shield Attached | Yes |
| Body Material | Stainless steel |
| Substrate Material | Ceramic |
| Outlet Gasket Included | No |
| Overall Length | 42.375 |
| Air Tube Count | 0 |
| Air Tube Adaptable | No |
| Clamp Included | Yes |
| Converter Quantity | 4 |
| Finish | Stainless steel |
| Hangers Included | No |
| Heat Shield Material | Aluminized steel |
| Main Piping Diameter | 2.5 |
| Oxygen Sensor Location | Pre and post converter |
| Type | Direct-fit |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Ford | E-350 Super Duty | 5.4L | V8 | Left | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 6FMXT05.4SP6; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2005 | Ford | E-250 | 5.4L | V8 | Left | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 5FMXT05.4SP6; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2005 | Ford | E-350 Super Duty | 5.4L | V8 | Left | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 5FMXT05.4SP6; Direct-Fit CALIFORNIA OBDII CONVERTERS |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.