MagnaFlow
Direct-Fit CALIFORNIA OBDII CONVERTERS

MagnaFlow 458041 Catalytic Converter - Left

Brand MagnaFlow 458041
Position 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
Product line Direct-Fit CALIFORNIA OBDII CONVERTERS
Fits Ford · 3 vehicles

Direct-fit replacement. Bolt-on installation with no cutting or welding required.

CARB compliant. Meets California Air Resource Board requirements for listed vehicles.

Stainless steel construction. Resists corrosion and helps maintain long-term performance.

Cross-references 4C2Z-5F250-EA, 4C2Z-5F250-EB and 4C2Z-5F250-EC for the same application. See all 15.

$2,486.40Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $2,486.40
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

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.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006FordE-350 Super Duty5.4LV8LeftCertification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 6FMXT05.4SP6; Direct-Fit CALIFORNIA OBDII CONVERTERS
2005FordE-2505.4LV8LeftCertification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 5FMXT05.4SP6; Direct-Fit CALIFORNIA OBDII CONVERTERS
2005FordE-350 Super Duty5.4LV8LeftCertification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 5FMXT05.4SP6; Direct-Fit CALIFORNIA OBDII CONVERTERS
Directly replaces or cross-references 15 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
4C2Z-5F250-EA4C2Z-5F250-EB4C2Z-5F250-EC5C2Z-5E212-AA5C2Z-5E212-BA5C2Z-5F250-A5C2Z-5F250-B5C2Z-5F250-BA5C2Z-5F250-EA5C2Z-5F250-FA6C2Z-5F250-A7C2Z-5F250-A7C2Z-5F250-BA7C2Z-5F250-EA7C2Z-5F250-F