MagnaFlow
Direct-Fit CALIFORNIA OBDII CONVERTERS

MagnaFlow 458020 Catalytic Converter - Front

Brand MagnaFlow 458020
Position Front
Mounting Hardware Included Yes
Universal Or Specific Fit Specific
Grade Type Regular
Tube Material Stainless steel
Inlet Type Bolt-on
Outlet Type Bolt-on
Heat Shield Attached Yes
Body Material Stainless steel
Substrate Material Ceramic
Overall Length 33
Air Tube Count 0
Air Tube Adaptable No
Clamp Included No
Converter Quantity 1
Finish Stainless steel
Hangers Included Yes
Heat Shield Material Aluminized steel
Main Piping Diameter 2.25
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.

Stainless steel construction. Resists corrosion for lasting exhaust durability.

CARB compliant. Meets California Air Resource Board requirements for legal use in restricted states.

Cross-references 1F71-40-050 and 1F7140050 for the same application. See all 2.

$1,094.44Free shipping
Out of stock
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Step 2 — Quantity
Order total $1,094.44
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Free returns within 60 days if it doesn't fit when fitment is verified.

Direct-Fit CARB Catalytic Converter for Ranger

MagnaFlow 458020 is a California Grade, CARB-compliant direct-fit catalytic converter for the 2004-2006 Ford Ranger, front position. It is built for bolt-on replacement with no cutting or welding required, and it uses stainless steel construction with mandrel-bent tubing to support exhaust flow and corrosion resistance.

The MagnaFlow Direct-Fit CALIFORNIA OBDII CONVERTERS line is engineered for OE-style replacement applications where emissions compliance and proper fit are required. Using 3D scanning during development, this product is shaped to match the original exhaust layout and interchanges with OE part 1F71-40-050.

  • Fits 2006 Ford Ranger, front
  • Fits 2005 Ford Ranger, front
  • Fits 2004 Ford Ranger, front
  • CARB-compliant design for California and CARB-restricted states
  • Direct-fit, bolt-on inlet and outlet for easier installation
  • Stainless steel body and tubing for corrosion resistance
  • Ceramic substrate with pre- and post-converter oxygen sensor locations
  • Heat shield attached, with hangers and gaskets included for proper sealing

This MagnaFlow catalytic converter 458020 is a direct replacement for the front exhaust location on the 2004, 2005, and 2006 Ford Ranger. It is designed to meet or exceed California Air Resources Board requirements for the listed vehicles, helping maintain emissions system function and reduce the chance of a check engine light caused by a failed converter. This part cross-references OE part numbers 1F71-40-050 and 1F7140050 for the same application.

Common Issues This Part Can Address

  • Failed catalytic converter emissions test results
  • Check engine light related to catalyst efficiency codes
  • Exhaust leaks at the converter connection points
  • Restricted exhaust flow from a worn or damaged converter
  • Corrosion-related deterioration of the original exhaust component

Installation Notes

Designed for direct-fit installation on the front position of the 2004-2006 Ford Ranger. Use the included gaskets to help achieve a proper seal and reduce exhaust leak risk. Verify oxygen sensor placement, flange alignment, and CARB application details before installation. No cutting or welding is required when installed on the listed vehicle applications.

Quality Assurance

MagnaFlow uses 3D scanning in the design process to help the part fit and function like the original equipment. This converter is built to comply with CARB guidelines for the listed Ford Ranger applications and is intended for legal use in California and other CARB-restricted states where applicable.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006FordRanger3.0LV6FrontCertification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 6FMXT03.02KA; Direct-Fit CALIFORNIA OBDII CONVERTERS
2005FordRanger3.0LV6FrontCertification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 5FMXT03.02KA; Direct-Fit CALIFORNIA OBDII CONVERTERS
2004FordRanger3.0LV6FrontCertification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 4FMXT03.02KA; Direct-Fit CALIFORNIA OBDII CONVERTERS
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1F71-40-0501F7140050