AP Exhaust
Direct Fit Converter

AP Exhaust 645121 Catalytic Converter - Front Right

Brand AP Exhaust 645121
Position Front Right
Inlet Quantity 2
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 design. Application-specific exhaust replacement for the listed converter layout.

Two-inlet, one-outlet. Matches the specified exhaust configuration for a precise replacement.

Boxed packaging. Protected for storage and handling before installation.

Cross-references Davico Mfg 19752, Edelmann 70404 and 21-475 for the same application. See all 8.

$475.26Free 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 $475.26
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Direct Fit Catalytic Converter

AP Exhaust 645121 is a direct fit catalytic converter built for specific emissions applications. It is listed for the Ford F-150 and uses a front right fitment with a direct-fit layout for straightforward replacement.

Key Features

  • Direct fit design for application-specific exhaust replacement
  • Two inlet and one outlet configuration
  • Outlet hardware included; inlet and outlet gaskets not included
  • Boxed for protected storage and handling
  • AP Exhaust part number 645121

Detailed Description

This AP Exhaust catalytic converter is engineered as a direct replacement for the specified Ford F-150 application. The 2-inlet, 1-outlet configuration matches the listed exhaust layout, and the included outlet hardware supports installation where the original converter has been removed or replaced. AP Exhaust 645121 is intended for Federal and California emissions applications as listed in the fitment data, and it is not CARB certified.

The Direct Fit Converter line focuses on application-specific exhaust components that align with the original system geometry. For buyers searching for a Ford F-150 catalytic converter, AP Exhaust 645121 provides a direct-fit option for the listed model years and position.

What It Is Used For

  • Replacing a worn or failed catalytic converter
  • Restoring exhaust flow through the converter section
  • Addressing emissions-related converter damage or restriction
  • Matching the original inlet and outlet layout on the exhaust system
  • Servicing the listed Ford F-150 front right application

Installation Notes

Fits 2015-2020 Ford F-150, front right. Verify Federal and California emissions requirements before installation, since the listing notes restrictions for vehicles licensed in CA, CO, ME, and NY. Inlet gaskets and outlet gaskets are not listed as included, while outlet hardware is listed as included. Confirm the existing exhaust configuration against AP Exhaust 645121 before installation.

Quality Assurance

AP Exhaust Direct Fit Converter parts are built around application-specific exhaust fitment and are packaged in a boxed format for handling and storage. This part number is 645121.

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 RightFederal 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 RightFederal 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 RightFederal 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 RightFederal 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-1503.5LV6145.0"Front RightFederal 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-1503.5LV6145.0"Front RightFederal 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 — 19752Edelmann — 7040421-475079-9200304-1046304-1099444257723021