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Specification:
This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY.
Vehicle registered in CA, NY, CO & ME is refused to use this part
Sustainable use for more than 10 hours with a superior state
Well-adapted: Able to be applied in rain and snow
Temperature-resistant: The service life and performance of catalytic converter can't be affected by high temperature
Made From High-Quality Stainless Steel. Light-Weight and Fast Air Flow Design. Great emissions control device with stable performance, reliable quality and long service life
Product Information:
Substrate Material: Ceramic
Body Material: Stainless Steel
Converter Type: Federal / EPA Direct-Fit
Inlet Gasket: Not Required
Inlet Hardware: None
Inlet Type A: 645444(Left) - 2 Bolt Loose Flange with Spherical Flare; 645443(Right) - 2 Bolt Loose Flange with Spherical Flare
Inlet Type B: 645443(Right) - 2.50" ID Pipe
O2 Sensor Ports: 645444(Left) - 2; 645443(Right) - 2
Outlet Gasket: Not Required
Outlet Hardware: 645444(Left) - Yes; 645443(Right) - None
Outlet Type A: 645444(Left) - 2.50" OD Pipe; 645443(Right) - 2 Bolt Loose Flange with Spherical Flare
Overall Length: 645444(Left) - 35.25"; 645443(Right) - 45.5"
Fitment:
Compatible with Ford Expedition 2003 2004 5.4L V8
Replace Part Number:
645444 645443
Package Included:
1Pc Left Catalytic Converter with Installation Accessories
1Pc Right Catalytic Converter with Installation Accessories
Caution:
Converters are designed to last the life of a vehicle. If your converter needs to be replaced it may be due to an emissions error/problem in your engine tuning. Converters that overheat due to engine problems may turn blue or bronze. These problems must be corrected BEFORE installation of a new converter
Warranty is voided if catalytic converter substrate is melted or broken; this is due to an issue with the car itself and not the catalytic converter
Due to its size and shape it may encounter cosmetic flaws during its stocking and shipping process. The powder coating finish is designed to add shelf life by minimizing surface scratches which may deteriorate over time due to temperatures reached once in use
Products damaged as a result of abuse, misuse, improper repair, improper installation, alteration or modification will not be covered by the warranty
O2 sensors must be replaced when you replace the converter or warranty will be void. We have determined that failure of either the front O2 sensor (the front wide-band sensor), also known as an Air-Fuel Ratio Sensor or the read downstream sensor, can trigger a false P0420 code. Both sensors should be replaced with your replaced the converter
Customer
Reviewed in the United States on March 30, 2025
Really bad product nothing matches tried putting in and nothing seals , also damaged the o2 sensors once you install them is impossible to remove them bad bad product do not buy
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