AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:645251

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$474.99
MPN: 645251
Item Package Quantity: 1
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AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:645251
AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:645251
$474.99

The AP Exhaust Catalytic Converter 645251 converts harmful exhaust gases into less-harmful emissions as they leave the engine, and it drops in as a direct-fit replacement for the 2011-2014 Ford F-150 (V8-5.0L). This is the left-side converter, engineered to build to OE dimensions and fitment so it seats in the factory location.

  • 409 stainless steel shell and neck: constructed for longer service life.
  • Ceramic substrate: features Aristo Clean by Design catalyst technology to handle demanding emissions duty.
  • Hardware: outlet hardware included for faster installation; no inlet hardware supplied.
  • Direct-fit connections: 2-bolt loose flange with spherical flare inlet (2.52" ID pipe), 2.50" OD outlet pipe, and two sensor ports.

Overall length is 27.13 in. This is a Federal/EPA Direct-Fit converter and is NOT CARB certified — it is not legal for sale or use in California, New York, or other states requiring CARB-compliant converters. Diagnose the cause of any emissions or performance issue before replacing; if a failed converter is the cause, this unit replaces the original. Country of origin: United States.

Interchange: DL3Z-5E212-A
DL3Z5E212A

This part cross-references / interchanges with the following part numbers:

DL3Z-5E212-A

Frequently Asked Questions

What vehicle does the 645251 converter fit?

It is a direct-fit replacement for the 2011-2014 Ford F-150 with the V8-5.0L engine, installing in the left-side position. Confirm fitment for your vehicle in the Buyer's Guide.

Is this converter legal in California?

No. It is a Federal/EPA Direct-Fit converter and is not CARB certified, so it is not legal for sale or use in California, New York, or other states requiring CARB-compliant converters.

What is the converter made of?

It uses a 409 stainless steel shell and neck construction for longer life, with a ceramic substrate featuring Aristo Clean by Design catalyst technology.

Is mounting hardware included?

Outlet hardware is included for the outlet connection. No inlet hardware is supplied, and inlet and outlet gaskets are not required for this design.

What are the inlet and outlet connections?

The inlet is a 2-bolt loose flange with a spherical flare (2.52" ID pipe) and the outlet is a 2.50" OD pipe. It has two sensor ports and an overall length of 27.13 in.