HomeMagnaFlow 447321 Catalytic Converter - Rear
Part #: 447321

MagnaFlow 447321 Catalytic Converter - Rear

Direct-Fit CALIFORNIA OBDII CONVERTERS, Rear
⚙️ 15 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Direct-Fit CALIFORNIA OBDII CONVERTERS, Rear
🚗Fitment: Ford, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-350 Econoline Club Wagon, and E-350 Super Duty
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California OBDII Direct-Fit Converter

MagnaFlow 447321 is a California Grade, CARB-compliant direct-fit catalytic converter built for specific Ford E-Series applications. It is engineered for a bolt-on replacement with no cutting or welding required, helping restore emissions system function while keeping the check engine light off on the listed vehicles.

  • Direct-fit catalytic converter for specific rear-position Ford applications
  • CARB-compliant California Grade design for legal use in California and CARB-restricted states on listed vehicles
  • Stainless steel body and tubing for corrosion resistance
  • Ceramic substrate with a compact, low-mass spun-body design
  • Mandrel-bent tubing and single laser fusion weld for OE-style construction
  • Post-converter oxygen sensor location
  • Mounting hardware included

MagnaFlow Direct-Fit CALIFORNIA OBDII Converters

This part is part of MagnaFlow’s Direct-Fit CALIFORNIA OBDII CONVERTERS line, which focuses on OE-style replacement converters for emissions-controlled vehicles. MagnaFlow uses 3D scanning during development to match original equipment dimensions and function, and this approach is reflected in the fit and layout of part number 447321. This part cross-references OE numbers 1C2Z-5E212-CA and 2C2Z-5E212-FA for the same application.

Fitment Details

  • Fits 2000 Ford E-150 Econoline, rear.
  • Fits 2000 Ford E-150 Econoline Club Wagon, rear.
  • Fits 2000 Ford E-250 Econoline, rear.
  • Fits 2000 Ford E-350 Econoline Club Wagon, rear.
  • Fits 2000 Ford E-350 Super Duty, rear.
  • Fits 2001 Ford E-150 Econoline, rear.
  • Fits 2001 Ford E-150 Econoline Club Wagon, rear.
  • Fits 2001 Ford E-250 Econoline, rear.
  • Fits 2001 Ford E-350 Econoline Club Wagon, rear.
  • Fits 2001 Ford E-350 Super Duty, rear.
  • Fits 2002 Ford E-150 Econoline, rear.
  • Fits 2002 Ford E-150 Econoline Club Wagon, rear.
  • Fits 2002 Ford E-250 Econoline, rear.
  • Fits 2002 Ford E-350 Econoline Club Wagon, rear.
  • Fits 2002 Ford E-350 Super Duty, rear.

What This Converter Helps Address

  • Failed or restricted catalytic converter on the listed Ford E-Series vehicles
  • Check engine light concerns related to emissions efficiency
  • Need for a direct replacement without fabrication
  • Corrosion-prone factory exhaust components at the converter location
  • Leaking seals caused by reused, worn mounting hardware

Installation Notes

Install using the proper tools and follow the vehicle-specific service procedure. This direct-fit converter is designed for bolt-on installation, with no cutting or welding required. The included gaskets and hardware help reduce the chance of exhaust leaks and eliminate the need to reuse corroded factory parts. Verify rear-position fitment and OE interchange before installation on your Ford E-150 Econoline, E-250 Econoline, or E-350 Econoline application.

Quality Assurance

MagnaFlow develops direct-fit converters using 3D scanning and OE-style construction methods to match original equipment fit and function. Part number 447321 is built to meet or exceed California Air Resources Board requirements and has been tested for CARB compliance on the listed vehicles.

BrandMagnaFlow
Part Number447321
PositionDirect-Fit CALIFORNIA OBDII CONVERTERS, Rear
Mounting Hardware IncludedYes
Universal Or Specific FitSpecific
Grade TypeRegular
Tube MaterialStainless steel
Inlet TypeBolt-on
Outlet TypeClamp-on
Heat Shield AttachedNo
Body MaterialStainless steel
Substrate MaterialCeramic
Overall Length37
Overall Length37.625
Air Tube Count0
Air Tube AdaptableNo
Clamp IncludedNo
Converter Quantity1
FinishStainless steel
Hangers IncludedNo
Heat Shield MaterialNone
Main Piping Diameter3
Oxygen Sensor LocationPost converter
TypeDirect-fit

This part fits 15 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002FordE-150 Econoline5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 2FMXT05.4RF9; Direct-Fit CALIFORNIA OBDII CONVERTERS
2002FordE-150 Econoline Club Wagon5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 2FMXT05.4RF9; Direct-Fit CALIFORNIA OBDII CONVERTERS
2002FordE-250 Econoline5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 2FMXT05.4RF9; Direct-Fit CALIFORNIA OBDII CONVERTERS
2002FordE-350 Econoline Club Wagon5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 2FMXT05.4RF9; Direct-Fit CALIFORNIA OBDII CONVERTERS
2002FordE-350 Super Duty5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 2FMXT05.4RF9; Direct-Fit CALIFORNIA OBDII CONVERTERS
2001FordE-150 Econoline5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 1FMXT05.4RF7; Direct-Fit CALIFORNIA OBDII CONVERTERS
2001FordE-150 Econoline Club Wagon5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 1FMXT05.4RF7; Direct-Fit CALIFORNIA OBDII CONVERTERS
2001FordE-250 Econoline5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 1FMXT05.4RF7; Direct-Fit CALIFORNIA OBDII CONVERTERS
2001FordE-350 Econoline Club Wagon5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 1FMXT05.4RF7; Direct-Fit CALIFORNIA OBDII CONVERTERS
2001FordE-350 Super Duty5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 1FMXT05.4RF7; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000FordE-150 Econoline5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number YFMXT05.4RF7; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000FordE-150 Econoline Club Wagon5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number YFMXT05.4RF7; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000FordE-250 Econoline5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number YFMXT05.4RF7; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000FordE-350 Econoline Club Wagon5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number YFMXT05.4RF7; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000FordE-350 Super Duty5.4LV8RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number YFMXT05.4RF7; 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:

1C2Z-5E212-CA2C2Z-5E212-DA2C2Z-5E212-EA2C2Z-5E212-FA2C2Z-5E212-HA3C2Z-5E212-DA3C2Z-5E212-EA3C2Z-5E212-FA4C2Z-5E212-FA4C2Z-5E212-GA4C2Z-5E212-MA4C2Z-5E212-MB4C2Z-5E212-MC4C2Z-5F250-EA4C2Z-5F250-EB4C2Z-5F250-EC5C2Z-5F250-EAF7UZ-5E212-KCF7UZ-5E212-KDF7UZ-5E212-TBF7UZ-5E212-TCF8UZ-5E212-EAYC2Z-5E212-AAYC2Z-5E212-CAYC2Z-5E212-DAYC2Z-5E212-GAYC2Z-5E212-KAYC2Z-5E212-LA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.