Magnaflow Direct-Fit Catalytic Converter

2011–2019 Dodge Durango / Jeep Grand Cherokee 5.7L HEMI

Part #: 49739

Overview

The Magnaflow Direct-Fit Catalytic Converter 49739 is a premium replacement part engineered to restore your vehicle’s emissions system to factory standards. Designed specifically for 2011 through 2019 Dodge Durango and Jeep Grand Cherokee models equipped with the 5.7L HEMI engine, this converter ensures compliance with Federal EPA emissions regulations while maintaining optimal engine performance and fuel efficiency.

Ideal for vehicle owners and professional mechanics seeking a reliable, long-lasting solution, this direct-fit catalytic converter prevents check engine light issues related to emissions and eliminates the need for costly modifications. It provides a seamless, hassle-free replacement that preserves your vehicle’s original exhaust flow characteristics and emissions control.

Key Features

Magnaflow’s Direct-Fit Catalytic Converter combines advanced manufacturing with high-quality materials to deliver durability and dependable emissions control. Key features include:

• OEM-grade catalytic converter meeting or exceeding Federal EPA emissions standards
• Mandrel-bent tubing that maintains OEM-like flow geometry for optimal exhaust flow and fuel economy
• Constructed from corrosion-resistant 16 gauge 409 stainless steel tubing for extended service life
• Spun body design with a single laser fusion weld to minimize leak potential and enhance durability
• Compact, low-mass construction for improved thermal efficiency and quicker light-off
• Precision fit ensured by state-of-the-art 3D scanning metrology matching original equipment specifications
• Includes all essential gaskets and mounting hardware for straightforward installation
• Durable 308 stainless steel MIG welds for added strength and reliability
• Direct replacement for OE part numbers 6816 0015AA and 6841 4796AA

Construction & Design

This catalytic converter is expertly crafted using high-strength 16 gauge 409 stainless steel tubing, known for its excellent resistance to corrosion and high temperatures. The mandrel-bent tubing preserves the original equipment manufacturer’s flow geometry, ensuring smooth exhaust passage and maintaining engine performance and fuel economy.

The spun body construction replicates the OE design, while the single laser fusion weld reduces the risk of leaks, providing long-term durability. Magnaflow’s use of advanced 3D scanning technology during development guarantees a precise fit and function that matches the original part exactly, ensuring a reliable and hassle-free replacement experience.

Installation & Fitment

The Magnaflow Direct-Fit Catalytic Converter is designed for a straightforward installation process with no cutting or welding required when using proper tools. This direct-fit part bolts directly into place, making it an excellent choice for both DIY enthusiasts and professional mechanics. Included gaskets and hardware ensure a secure, leak-free connection.

This converter fits a wide range of Dodge Durango and Jeep Grand Cherokee models from 2011 through 2019, including trims such as Citadel, Crew, GT, Limited, Pursuit, R/T, Special Service, SXT, High Altitude, Laredo, Limited X, Overland, Overland Summit, Summit, and Trailhawk.

What's Included

• Magnaflow Direct-Fit Catalytic Converter 49739
• Essential installation gaskets
• Mounting hardware

Ideal For

This catalytic converter is perfect for vehicle owners and mechanics who need a direct-fit, EPA-compliant replacement for a faulty or failing catalytic converter on 2011–2019 Dodge Durango and Jeep Grand Cherokee 5.7L HEMI models. It is especially suited for those who want to maintain factory emissions compliance and engine performance without custom modifications or complex installation procedures.

Emissions Note

This Magnaflow catalytic converter meets or exceeds Federal EPA emissions requirements and is compliant with OBDII federally registered vehicles. Please note it is not legal for sale or installation in California, Colorado, or New York due to state-specific emissions regulations.

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.