What makes this catalytic converter CARB compliant?

This Magnaflow converter has undergone additional testing to comply with California Air Resource Board (CARB) guidelines. This ensures it meets or exceeds strict emissions standards, making it legal for use in California and other states that follow CARB regulations.

Does this catalytic converter require welding for installation?

No, this is a direct-fit catalytic converter. It is designed to install using the original mounting points, so no cutting or welding is required when using the proper tools.

What is included with this catalytic converter?

This Magnaflow catalytic converter comes with essential gaskets and hardware needed for installation. The direct-fit design aims to replicate the original equipment's fit and function.

Magnaflow 03-04 Lincoln Navigator 5.4L Direct Fit Converter

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Specifications

Brand: Magnaflow
Part #: 4583029
UPC: 888563180205

Magnaflow 03-04 Lincoln Navigator 5.4L Direct Fit Converter

Name: Magnaflow 03-04 Lincoln Navigator 5.4L Direct Fit Converter
Brand: Magnaflow
Price: 1542.00 USD
Availability: InStock

$1542.00

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2003-2004 Lincoln Navigator. Magnaflow's California Grade CARB Compliant Direct-Fit Catalytic Converter helps keep your check engine light off.

Key Features

Fits 2003-2004 Lincoln Navigator.
This is a California Grade CARB Compliant Direct-Fit Catalytic Converter.
Constructed with free-flowing mandrel-bent tubing and highly corrosion-resistant stainless steel.
Features a single laser fusion weld on the OE-style spun body design to reduce leaks.
Compact, low-mass design allows for greater thermal efficiency.
Designed to meet or exceed California Air Resource Board requirements for legal use in California and CARB-restricted states.

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Fits this vehicle

Lincoln Navigator 2003-2004

Product Details

You're getting a Magnaflow California Grade CARB Compliant Direct-Fit Catalytic Converter, part number 4583029, designed specifically for your 2003-2004 Lincoln Navigator with the 5.4L engine. This converter is built to meet or exceed California Air Resource Board (CARB) requirements, meaning it's legal for use in California and other CARB-restricted states, helping to keep your check engine light off and your vehicle running cleanly.

This converter is constructed with free-flowing mandrel-bent tubing and a highly corrosion-resistant stainless steel body. Magnaflow uses advanced 3D scanning during their research and development to ensure this part fits and functions just like the original equipment. The OE-style spun body design features a single laser fusion weld, which significantly reduces the chance of leaks. Its compact, low-mass design also contributes to greater thermal efficiency, helping it do its job effectively.

Installation is made simpler because this is a direct-fit unit, meaning no cutting or welding is required when you use the proper tools. Essential gaskets and hardware are included in the box to help you get the job done. This converter interchanges with OE parts like 2L7Z-5E212-AB, 3L7Z-5E212-EB, and 4L7Z-5E212-AB.