AP Exhaust
4FMXT05.4SQ2

AP Exhaust 776852 Catalytic Converter

Brand AP Exhaust 776852
Product line 4FMXT05.4SQ2
Fits Ford · 28 vehicles

Direct-fit replacement. Catalytic converter for straightforward exhaust service.

AP Exhaust replacement part for dependable emissions system repair.

$1,037.88Free 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 $1,037.88
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

California Emissions Catalytic Converter

AP Exhaust 776852 is a direct-fit catalytic converter for select Ford Super Duty and Excursion applications with California emissions requirements. It is built for 2000-2004 Ford F-250 Super Duty, F-350 Super Duty, and Excursion models listed below, with fitment tied to the original emissions configuration.

Key Features

  • Direct-fit replacement catalytic converter
  • California emissions application
  • Fits select Ford F-250 Super Duty, F-350 Super Duty, and Excursion models
  • Built for vehicles requiring EO Number D-798-15 compliance
  • AP Exhaust Brand Line: 2FMXA06.8JFC
  • Part number 776852 for application matching

Fitment Details

  • Fits 2004 Ford F-250 Super Duty, N/A — Direct Fit - California; 4FMXT05.4SQ2; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2004 Ford F-350 Super Duty, N/A — Direct Fit - California; 4FMXT05.4SQ2; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2003 Ford F-250 Super Duty, N/A — Direct Fit - California; 3FMXH06.8TH5; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2003 Ford F-250 Super Duty, N/A — Direct Fit - California; 3FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2003 Ford F-250 Super Duty, N/A — Direct Fit - California; 3FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2003 Ford F-250 Super Duty, N/A — Direct Fit - California; 3FMXH05.4TH5; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2003 Ford F-350 Super Duty, N/A — Direct Fit - California; 3FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2003 Ford F-350 Super Duty, N/A — Direct Fit - California; 3FMXH06.8TH5; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2003 Ford F-350 Super Duty, N/A — Direct Fit - California; 3FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2003 Ford F-350 Super Duty, N/A — Direct Fit - California; 3FMXH05.4TH5; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2002 Ford Excursion, N/A — Direct Fit - California; 2FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2002 Ford Excursion, N/A — Direct Fit - California; 2FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2002 Ford F-250 Super Duty, N/A — Direct Fit - California; 2FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2002 Ford F-250 Super Duty, N/A — Direct Fit - California; 2FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2002 Ford F-350 Super Duty, N/A — Direct Fit - California; 2FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2002 Ford F-350 Super Duty, N/A — Direct Fit - California; 2FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2001 Ford Excursion, N/A — Direct Fit - California; 1FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2001 Ford Excursion, N/A — Direct Fit - California; 1FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2001 Ford F-250 Super Duty, N/A — Direct Fit - California; 1FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2001 Ford F-250 Super Duty, N/A — Direct Fit - California; 1FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2001 Ford F-350 Super Duty, N/A — Direct Fit - California; 1FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2001 Ford F-350 Super Duty, N/A — Direct Fit - California; 1FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2000 Ford Excursion, N/A — Direct Fit - California; YFMXA06.8JGN; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2000 Ford Excursion, N/A — Direct Fit - California; YFMXA05.4JGP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2000 Ford F-250 Super Duty, N/A — Direct Fit - California; YFMXA06.8JGN; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2000 Ford F-250 Super Duty, N/A — Direct Fit - California; YFMXA05.4JGP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2000 Ford F-350 Super Duty, N/A — Direct Fit - California; YFMXA06.8JGN; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15
  • Fits 2000 Ford F-350 Super Duty, N/A — Direct Fit - California; YFMXA05.4JGP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15

What This Part Helps Address

  • Failed or inefficient catalytic converter operation
  • California emissions compliance issues
  • Check engine light concerns related to catalyst performance
  • Exhaust restriction from a worn converter
  • Replacement needs for original-equipment-style emissions service

Installation Notes

Verify the emissions label and original converter code before ordering. This part is application-specific and must match the listed Ford F-250 Super Duty, F-350 Super Duty, or Excursion configuration. Confirm California emissions requirements and EO Number D-798-15 coverage for your vehicle before installation.

Quality Assurance

AP Exhaust 776852 is cataloged as a California-compliant catalytic converter for the listed Ford applications. The AP Exhaust 2FMXA06.8JFC product line is identified for direct-fit emissions service on these vehicles.

This part fits 28 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004FordF-250 Super Duty5.4LV8N/ADirect Fit - California; 4FMXT05.4SQ2; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 4FMXT05.4SQ2; 4FMXT05.4SQ2
2004FordF-350 Super Duty5.4LV8N/ADirect Fit - California; 4FMXT05.4SQ2; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 4FMXT05.4SQ2; 4FMXT05.4SQ2
2003FordF-250 Super Duty6.8LV10N/ADirect Fit - California; 3FMXH06.8TH5; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 3FMXH06.8TH5; 3FMXH06.8TH5
2003FordF-250 Super Duty6.8LV10N/ADirect Fit - California; 3FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 3FMXA06.8JFC; 3FMXA06.8JFC
2003FordF-250 Super Duty5.4LV8N/ADirect Fit - California; 3FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 3FMXA05.4JFC; 3FMXA05.4JFC
2003FordF-250 Super Duty5.4LV8N/ADirect Fit - California; 3FMXH05.4TH5; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 3FMXH05.4TH5; 3FMXH05.4TH5
2003FordF-350 Super Duty6.8LV10N/ADirect Fit - California; 3FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 3FMXA06.8JFC; 3FMXA06.8JFC
2003FordF-350 Super Duty6.8LV10N/ADirect Fit - California; 3FMXH06.8TH5; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 3FMXH06.8TH5; 3FMXH06.8TH5
2003FordF-350 Super Duty5.4LV8N/ADirect Fit - California; 3FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 3FMXA05.4JFC; 3FMXA05.4JFC
2003FordF-350 Super Duty5.4LV8N/ADirect Fit - California; 3FMXH05.4TH5; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 3FMXH05.4TH5; 3FMXH05.4TH5
2002FordExcursion6.8LV10N/ADirect Fit - California; 2FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 2FMXA06.8JFC; 2FMXA06.8JFC
2002FordExcursion5.4LV8N/ADirect Fit - California; 2FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 2FMXA05.4JFC; 2FMXA05.4JFC
2002FordF-250 Super Duty6.8LV10N/ADirect Fit - California; 2FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 2FMXA06.8JFC; 2FMXA06.8JFC
2002FordF-250 Super Duty5.4LV8N/ADirect Fit - California; 2FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 2FMXA05.4JFC; 2FMXA05.4JFC
2002FordF-350 Super Duty6.8LV10N/ADirect Fit - California; 2FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 2FMXA06.8JFC; 2FMXA06.8JFC
2002FordF-350 Super Duty5.4LV8N/ADirect Fit - California; 2FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 2FMXA05.4JFC; 2FMXA05.4JFC
2001FordExcursion6.8LV10N/ADirect Fit - California; 1FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 1FMXA06.8JFC; 1FMXA06.8JFC
2001FordExcursion5.4LV8N/ADirect Fit - California; 1FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 1FMXA05.4JFC; 1FMXA05.4JFC
2001FordF-250 Super Duty6.8LV10N/ADirect Fit - California; 1FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 1FMXA06.8JFC; 1FMXA06.8JFC
2001FordF-250 Super Duty5.4LV8N/ADirect Fit - California; 1FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 1FMXA05.4JFC; 1FMXA05.4JFC
2001FordF-350 Super Duty6.8LV10N/ADirect Fit - California; 1FMXA06.8JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 1FMXA06.8JFC; 1FMXA06.8JFC
2001FordF-350 Super Duty5.4LV8N/ADirect Fit - California; 1FMXA05.4JFC; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; 1FMXA05.4JFC; 1FMXA05.4JFC
2000FordExcursion6.8LV10N/ADirect Fit - California; YFMXA06.8JGN; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; YFMXA06.8JGN; YFMXA06.8JGN
2000FordExcursion5.4LV8N/ADirect Fit - California; YFMXA05.4JGP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; YFMXA05.4JGP; YFMXA05.4JGP
2000FordF-250 Super Duty6.8LV10N/ADirect Fit - California; YFMXA06.8JGN; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; YFMXA06.8JGN; YFMXA06.8JGN
2000FordF-250 Super Duty5.4LV8N/ADirect Fit - California; YFMXA05.4JGP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; YFMXA05.4JGP; YFMXA05.4JGP
2000FordF-350 Super Duty6.8LV10N/ADirect Fit - California; YFMXA06.8JGN; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; YFMXA06.8JGN; YFMXA06.8JGN
2000FordF-350 Super Duty5.4LV8N/ADirect Fit - California; YFMXA05.4JGP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-15; YFMXA05.4JGP; YFMXA05.4JGP