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Catalytic Converter for Ford F-150 (2015-2020) 5.0L Left



Regular price $297.95
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Direct-Fit Left Catalytic Converter for 2015-2020 Ford F-150

What it Does: The direct-fit left catalytic converter replaces a degraded or clogged driver-side emissions unit on the 2015-2020 F-150 to restore factory exhaust scavenging and extinguish catalyst efficiency diagnostic trouble codes.

The Stock Ford F-150 Catalyst Degradation Problem

Over extended service intervals and high-load towing cycles, the factory driver-side ceramic washcoat on the P552 chassis experiences thermal fatigue. Unburnt hydrocarbons and high exhaust gas temperatures cause standard washcoat sintering, cell fracturing, and premature substrate melting. This failure manifests as restrictive exhaust backpressure, lost cylinder scavenge efficiency on cylinder bank 2, noticeable power attenuation under load, and persistent P0430 OBD-II diagnostic trouble codes.

The Engineering Solution

Engineered to resolve bank-to-bank backpressure imbalances, this assembly features a heavy-gauge 409 stainless steel outer casing mated to a high-surface-area ceramic honeycomb substrate. Precision robotic TIG-welded seams maintain wall integrity under repeated thermal shock and chassis vibration. The ceramic core utilizes an optimized precious-metal catalytic washcoat to maximize emissions conversion efficiency without constricting flow dynamics. Laser-cut direct-fit flanges mate seamlessly with OEM downpipes and intermediate exhaust piping, eliminating the need for cutting or custom fabrication. Factory-located oxygen sensor bungs ensure correct downstream closed-loop feedback to keep the ECU operating within stoichiometric trim targets.

Technical Specifications

Fitment 2015-2020 Ford F-150 (Left / Driver Side)
Engine / Chassis 5.0L Coyote V8 / P552
Stock Output 385-395 hp / 387-400 lb-ft
Replaces OEM Part # 645165

Compatibility

  • 2015 Ford F-150 5.0L V8 (XL, XLT, Lariat, King Ranch, Platinum) - Left
  • 2016 Ford F-150 5.0L V8 (XL, XLT, Lariat, King Ranch, Platinum) - Left
  • 2017 Ford F-150 5.0L V8 (XL, XLT, Lariat, King Ranch, Platinum) - Left
  • 2018 Ford F-150 5.0L V8 (XL, XLT, Lariat, King Ranch, Platinum) - Left
  • 2019 Ford F-150 5.0L V8 (XL, XLT, Lariat, King Ranch, Platinum) - Left
  • 2020 Ford F-150 5.0L V8 (XL, XLT, Lariat, King Ranch, Platinum) - Left

Frequently Asked Questions

Does this fit the P552 F-150?
Yes, this is a direct fit for the 2015-2020 Ford F-150 equipped with the 5.0L Coyote V8 engine.

Will this direct-fit converter clear a P0430 trouble code?
Yes, assuming upstream combustion and oxygen sensors are functioning properly, this replacement unit restores catalyst conversion efficiency to resolve P0430 codes without an ECU tune.

The Ford Heavy-Duty Caliber

Constructed to endure rigorous commercial fleet cycles and heavy trailer towing, this stainless steel assembly preserves exhaust integrity under high-temp, high-demand operating environments without buckling or cracking.


Engine Safety Rating
Difficulty 


Fitment

Make

Ford

Engine Size

  • 5.0L

Year

  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020

Warranty

All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]

Catalytic Converter for Ford F-150 (2015-2020) 5.0L Left

$297.95