AP Exhaust 645771 Catalytic Converter - Front Right or Right

Brand AP Exhaust 645771
Position Front Right and Right
Body Material Stainless steel
Clamp Qty 1
Inlet Gasket Qty 1
Inlet Hardware Yes
Inlet Type A 2 bolt loose
Inlet Type B 2.25"id
O2 Sensor Ports 2
Outlet Gasket Qty 1
Outlet Hardware Yes
Outlet Type A 2 bolt loose
Overall Length (IN) 45.5
Type Federal / epa direct-fit
Fits Ford · 9 vehicles

Direct-fit replacement. Built to exact OE dimensions for straightforward installation.

Stainless steel body. Resists corrosion for long-lasting exhaust service.

Federal / EPA compliant. Meets emissions requirements for the application.

Cross-references FL3Z-5E212-M for the same application. See all 1.

$404.96Free shipping
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OE-Fit Catalytic Converter for F-150

AP Exhaust 645771 is a federal/EPA direct-fit catalytic converter built for precise OE dimensions and fitment. It is engineered for 2015-2017 Ford F-150 applications at the front right or right position, including naturally aspirated trucks with federal and California emissions configurations where listed.

Key Features

  • Federal / EPA direct-fit catalytic converter
  • Stainless steel body construction
  • Built to OE dimensions for accurate alignment
  • 2-bolt loose inlet and outlet connections
  • 2.25 in. ID inlet type
  • Two O2 sensor ports
  • Includes inlet and outlet gaskets and related hardware as listed
  • Overall length: 45.5 in.

Product Details

AP Exhaust 645771 uses ARISTO substrate chemistry and AP Emissions Technologies manufacturing methods to support efficient converter loading and consistent fitment. Automated workstations, spinner welding equipment, and high-speed production lines help maintain dimensional accuracy for a direct replacement on the Ford F-150. This part cross-references Ford FL3Z-5E212-M for the same application.

What It Helps Address

  • Failed or inefficient catalytic converter performance
  • Check engine light concerns related to catalyst efficiency
  • Exhaust restriction from a damaged or deteriorated converter
  • Emissions compliance issues on the listed Ford F-150 applications
  • Fitment problems caused by non-OE-style exhaust dimensions

Installation Notes

Fits 2015-2017 Ford F-150, front right. Fits 2015-2017 Ford F-150, right. Verify emissions labeling, engine configuration, and state restrictions before installation; this part is not for sale or use on vehicles licensed in CA, CO, ME, or NY where noted. Confirm the 2-bolt loose inlet and outlet connections, 2.25 in. ID inlet, and O2 sensor port locations match the vehicle before assembly.

Quality Assurance

AP Exhaust builds this converter to OE dimensions using stainless steel construction and controlled manufacturing processes for consistent fitment and converter efficiency. The AP Exhaust 645771 is intended as a direct-fit replacement for the specified Ford F-150 applications.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2017FordF-150XLT3.5LV6Front RightDirect Fit; (15-17 Naturally Aspirated); Federal 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.; (Exc. Raptor and Dual Outlet)
2017FordF-150XL3.5LV6Front RightDirect Fit; (15-17 Naturally Aspirated); Federal 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.; (Exc. Raptor and Dual Outlet)
2017FordF-150—3.5LV6RightDirect Fit; Federal 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.
2016FordF-150XLT3.5LV6Front RightDirect Fit; (15-17 Naturally Aspirated); Federal 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.; (Exc. Raptor and Dual Outlet)
2016FordF-150XL3.5LV6Front RightDirect Fit; (15-17 Naturally Aspirated); Federal 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.; (Exc. Raptor and Dual Outlet)
2016FordF-150—3.5LV6RightDirect Fit; Federal 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.
2015FordF-150XL3.5LV6Front RightDirect Fit; (15-17 Naturally Aspirated); Federal 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.; (Exc. Raptor and Dual Outlet)
2015FordF-150XLT3.5LV6Front RightDirect Fit; (15-17 Naturally Aspirated); Federal 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.; (Exc. Raptor and Dual Outlet)
2015FordF-150—3.5LV6RightDirect Fit; Federal 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.
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FL3Z-5E212-M