AP Exhaust
Direct Fit Converter

AP Exhaust 645120 Catalytic Converter - Front Left

Brand AP Exhaust 645120
Position Front Left
Converter Type Federal / epa direct-fit
Inlet Quantity 1
Outlet Quantity 1
California Air Resources Board (CARB) Certified No
Boxed Yes
Inlet Gasket Nr
Inlet Hardware None
Outlet Gasket Nr
Outlet Hardware Yes
Package Material Corrugated cardboard
Package Type Box
Product line Direct Fit Converter
Fits Ford · 6 vehicles

Direct-fit converter. Federal / EPA design for straightforward replacement.

Catalytic converter. Restores exhaust aftertreatment performance in a direct-fit format.

Outlet hardware included. Helps simplify installation with the needed outlet hardware.

Cross-references Davico Mfg 19751, Walker Exhaust 52605 and 21-474 for the same application. See all 8.

$315.95Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $315.95
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Federal Direct-Fit Converter for F-150

AP Exhaust Direct Fit Converter 645120 is a Federal / EPA direct-fit catalytic converter for the front left position on select Ford F-150 applications. It is built for 2015-2020 Ford F-150 models and follows the direct-fit format for a cleaner replacement on the exhaust system.

The AP Exhaust Direct Fit Converter line focuses on application-specific replacement parts that match the original exhaust layout. For this Ford F-150 catalytic converter, the Federal / EPA direct-fit design supports straightforward replacement on the front left side without requiring a universal-style adaptation.

Key Features

  • Federal / EPA direct-fit catalytic converter
  • Compatible with 2015-2020 Ford F-150, front left
  • One inlet and one outlet configuration
  • Boxed for protection during handling and storage
  • Outlet hardware included as listed
  • AP Exhaust part number 645120

Product Details

This catalytic converter is intended for Ford F-150 exhaust repair where a direct replacement is needed for the front left position. The AP Exhaust 645120 uses a direct-fit layout to match the vehicle’s exhaust routing and connection points, helping maintain proper exhaust flow through the converter assembly. It cross-references Walker Exhaust 52605 for the same application.

Use this part when servicing a 2015-2020 Ford F-150 with Federal or California emissions equipment, while observing the listed state restrictions. The AP Exhaust 645120 is a practical replacement choice for technicians and owners looking for a direct-fit catalytic converter for the Ford F-150 platform.

What It Helps Address

  • Failed or inefficient catalytic converter operation
  • Exhaust restriction caused by a damaged converter substrate
  • Check engine light concerns related to converter performance
  • Exhaust leaks at the converter assembly connection points
  • Emissions inspection failures tied to converter condition

Installation Notes

Fits 2015-2020 Ford F-150, front left. Confirm Federal and California emissions configuration before installation and review the listed restrictions for vehicles licensed in CA, CO, ME, and NY. Direct-fit construction supports OE-style replacement, and outlet hardware is listed in the product attributes. Verify the existing exhaust layout and connection style before installation.

Quality Assurance

AP Exhaust supplies this Direct Fit Converter as a Federal / EPA replacement catalytic converter for application-specific service. The boxed packaging helps protect the part before installation, and the direct-fit format is intended to align with the vehicle’s original exhaust configuration.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersWheel BasePositionNotes
2020FordF-1503.5LV6145.0"Front LeftFederal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Direct Fit Converter
2019FordF-1503.5LV6145.0"Front LeftFederal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Direct Fit Converter
2018FordF-1503.5LV6145.0"Front LeftFederal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Direct Fit Converter
2017FordF-1503.5LV6145.0"Front LeftFederal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Direct Fit Converter
2016FordF-1503.5LV6122.5"Front LeftFederal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Direct Fit Converter
2015FordF-1503.5LV6122.5"Front LeftFederal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Direct Fit Converter
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Davico Mfg — 19751Walker Exhaust — 5260521-474079--4363304-1045304-1083444247723017