Magnaflow Direct Fit Catalytic Converter

2002–2003 Dodge Durango 5.9L V8 4WD

Part #: 51351

Overview

The Magnaflow Direct-Fit Catalytic Converter 51351 is a premium replacement part engineered specifically for 2002 to 2003 Dodge Durango models equipped with the 5.9L V8 engine and 4WD drivetrain. Designed to fit R/T, SLT, SLT Plus, and Sport trims, this OEM-grade catalytic converter ensures your vehicle remains compliant with Federal and EPA emissions standards. It is an ideal solution for Durango owners seeking a durable, reliable, and easy-to-install replacement that maintains factory performance and prevents emissions-related check engine light issues.

Manufactured with precision to replicate the original equipment’s fit and function, this catalytic converter offers a seamless upgrade that supports clean exhaust flow and optimal engine efficiency. Whether you are a professional mechanic or a DIY enthusiast, this direct-fit converter provides a hassle-free installation without the need for cutting or welding.

Key Features

Magnaflow’s Direct-Fit Catalytic Converter combines advanced engineering with high-quality materials to deliver dependable emissions compliance and long-lasting performance. Key features include:

• Meets or exceeds Federal and EPA emissions requirements for OBDII federally registered vehicles
• Mandrel-bent tubing preserves OEM-like design and smooth exhaust flow for optimal engine operation and fuel economy
• Constructed from corrosion-resistant 16 gauge 409 stainless steel for extended durability
• Replicates OE spun body design with a single laser fusion weld to minimize leak potential
• Compact, low-mass design enhances thermal efficiency and promotes cleaner engine operation
• Includes Torca AccuSeal® exhaust clamps providing 360-degree clamping force to prevent pipe distortion and ensure a complete seal
• OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel reduce noise and vibration
• Precision stamped collector design optimizes exhaust flow and engine efficiency
• Hardware and essential gaskets included for a straightforward installation process

Construction & Design

This catalytic converter is expertly crafted from high-strength 16 gauge 409 stainless steel tubing, offering superior resistance to corrosion and wear. The spun body design is precisely replicated using state-of-the-art 3D scanning and metrology techniques, ensuring an exact fit and OE-like flow dynamics. A single laser fusion weld enhances structural integrity while reducing the risk of leaks. Its compact, low-mass construction improves thermal efficiency, helping your engine run cleaner and more efficiently over the long term.

Installation & Fitment

The Magnaflow 51351 is a direct-fit replacement designed exclusively for 2002 and 2003 Dodge Durango models with the 5.9L V8 engine and 4WD configuration, including R/T, SLT, SLT Plus, and Sport trims. Installation is straightforward and requires no cutting, welding, or special modifications. The included hardware and gaskets simplify the process and help overcome challenges posed by corroded factory components, making this an excellent choice for both professional installers and DIY enthusiasts.

What's Included

• Magnaflow Direct-Fit Catalytic Converter 51351
• Torca AccuSeal® exhaust clamps
• Essential installation gaskets
• Mounting hardware

Ideal For

This catalytic converter is perfect for Dodge Durango owners who require a reliable, EPA-compliant replacement that maintains factory performance and emissions standards. It is well suited for drivers looking to keep their vehicle’s check engine light off, ensure smooth and efficient exhaust flow, and extend the life of their exhaust system with a corrosion-resistant, durable component.

Emissions Note

Magnaflow’s OEM Grade Direct-Fit Catalytic Converter 51351 is designed to meet or exceed Federal emissions requirements set by the EPA. It is compliant with legal standards for OBDII federally registered vehicles equipped with California or Federal/EPA emission systems, ensuring your Dodge Durango remains street legal and environmentally responsible.

MagnaFlow is a performance exhaust manufacturer best known for cat‑back and axle‑back systems, mufflers, and catalytic converters engineered for quality sound and improved flow. Their vehicle-specific exhaust options span muscle, import, and truck applications—making MagnaFlow a staple upgrade when you want a deeper tone, cleaner fitment, and a proven performance-focused exhaust setup.