AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:643044

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$484.99
MPN: 643044
Item Package Quantity: 1
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AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:643044
AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:643044
$484.99

Replace a failed or worn-out catalytic converter with the AP Exhaust Catalytic Converter 643044, a Federal / EPA direct-fit converter that drops into the factory location on the 2004-2009 Toyota Prius [L4-1.5L]. A catalytic converter uses a coated substrate to convert harmful exhaust gases into less harmful output as they pass through — this unit is built to OE dimensions and fitment for the listed application.

  • 409 stainless steel shell and neck construction for longer life.
  • Ceramic substrate featuring Aristo Clean by Design® advanced catalyst technology with highly efficient loadings.
  • 2-bolt welded flange inlet and outlet, with one sensor port.
  • Inlet and outlet gaskets included; no inlet or outlet mounting hardware is supplied.

This is a Federal / EPA 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 replacement converters. Signs a converter may need replacing include a lit check-engine light with a catalyst-efficiency code, a rattling internal substrate, or a rotten-egg exhaust smell — diagnose the cause before replacing. Country of origin: United States.

Frequently Asked Questions

What vehicle does the 643044 converter fit?

It is a Federal / EPA direct-fit converter for the 2004-2009 Toyota Prius [L4-1.5L]. See the Buyer's Guide tab to confirm fitment for your vehicle.

Is this converter legal in California?

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

What is the converter made of?

It has a 409 stainless steel shell and neck construction with a ceramic substrate using Aristo Clean by Design® catalyst technology.

How does it connect, and does it include gaskets or hardware?

It uses 2-bolt welded flange inlet and outlet connections with one sensor port. Inlet and outlet gaskets are included; no mounting hardware is supplied.

What are signs my catalytic converter may need replacing?

Common signs include a check-engine light with a catalyst-efficiency code, a rattle from a broken internal substrate, or a sulfur/rotten-egg smell. Diagnose the cause before replacing.