AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:645883

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$478.99
WARNING:California Proposition 65▾
MPN: 645883
Item Package Quantity: 1

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AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:645883
AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:645883
$478.99

Keep the exhaust on the left side of your truck flowing and treated with the AP Exhaust Catalytic Converter 645883, a Federal / EPA direct-fit converter that drops in on the 2001-2004 Toyota Sequoia (V8-4.7L) in the left-side position. As exhaust passes through its ceramic substrate, the catalyst promotes the reactions that convert regulated pollutants into less-harmful gases, and its pre-formed body is built to OE dimensions for a bolt-in replacement of the original converter.

  • Durable shell: 409 stainless steel shell and neck construction for longer life.
  • Catalyst technology: ceramic substrate featuring Aristo Clean by Design advanced catalyst technology.
  • Welded flange connections: 3-bolt welded inlet flange with gasket stub and a 2-bolt welded outlet flange; inlet and outlet gaskets are included.
  • One sensor port for the oxygen sensor, with an overall length of 57.75 in.

Mounting hardware is not included — consult the vehicle service information for the correct fasteners and whether they may be reused. This is a Federal / EPA converter and is not CARB-certified, so it is not legal for sale or use on vehicles registered in California, New York, or other states requiring CARB-compliant converters. Country of origin: United States.

Frequently Asked Questions

Which vehicle does this converter fit?

It's a direct-fit converter for the 2001-2004 Toyota Sequoia with the V8-4.7L engine, installing in the left-side position. Check the Buyer's Guide tab to confirm it matches your vehicle.

Is this converter legal in California or New York?

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 states that require CARB-compliant converters.

Are gaskets and mounting hardware included?

Inlet and outlet gaskets are included. Mounting hardware is not included — consult the vehicle service information for the correct fasteners and whether they may be reused.

What is the converter made of?

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

What are signs this converter may need replacing?

Signs may include a lit check-engine light with a catalyst-efficiency code, a rotten-egg smell, or reduced performance. Diagnose the cause first, since these symptoms can have other sources.