MagnaFlow Diesel Oxidation Catalyst

Dodge Ram 2500/Ram 3500 02-06 5.9L Diesel/5.7L

60521

Overview:

The MagnaFlow OEM Grade Direct-Fit Diesel Oxidation Catalyst (DOC) 60521 is engineered specifically for 2002 to 2006 Dodge Ram 2500 and 3500 models. Designed to maintain your vehicle’s emissions compliance and keep the check engine light off, this DOC is a reliable replacement part that meets or exceeds Federal EPA standards. Ideal for diesel truck owners seeking a direct-fit, high-quality catalytic converter that ensures smooth engine operation and optimal fuel economy without the need for cutting or welding during installation.

Built to replicate the original equipment’s performance and fitment, this diesel oxidation catalyst supports your truck’s emission control system by effectively reducing harmful pollutants. Whether you’re replacing a worn-out converter or upgrading to a durable OEM-grade component, MagnaFlow delivers a product that balances environmental responsibility with dependable performance.

Key Features:

MagnaFlow’s Diesel Oxidation Catalyst combines advanced manufacturing techniques with durable materials to provide a long-lasting, efficient solution for your Dodge Ram diesel exhaust system.

• OEM-grade direct-fit design for seamless replacement without modifications
• Mandrel-bent tubing preserves original exhaust flow geometry for peak engine efficiency
• Constructed from high-strength 16 gauge 409 stainless steel for superior corrosion resistance
• Single laser fusion weld on spun body reduces leak potential and enhances durability
• Compact, low-mass design improves thermal efficiency and catalyst performance
• Includes essential gaskets and hardware for simplified installation
• Manufactured using state-of-the-art 3D scanning technology to ensure precise fit and function
• Meets or exceeds Federal EPA emissions requirements for OBDII-compliant diesel vehicles

Construction & Design:

This MagnaFlow Diesel Oxidation Catalyst is expertly crafted from premium 16 gauge 409 stainless steel tubing, chosen for its excellent resistance to rust and corrosion in harsh exhaust environments. The mandrel-bent tubing maintains the original equipment manufacturer’s flow geometry, ensuring that exhaust gases pass smoothly through the converter without restriction.

The spun body design is replicated with precision, featuring a single laser fusion weld that minimizes leak risks and enhances structural integrity. This compact and lightweight construction not only improves thermal efficiency but also contributes to the longevity of the catalytic converter under demanding operating conditions.

Installation & Fitment:

Designed as a direct-fit replacement for Dodge Ram 2500 and 3500 diesel models from 2002 through 2006, this DOC installs easily using standard automotive tools. The included gaskets and hardware simplify the process, eliminating the need for cutting, welding, or additional modifications. This ensures a secure, leak-free fit that restores your vehicle’s emissions control system to factory specifications.

What's Included:

• MagnaFlow Diesel Oxidation Catalyst (Part #60521)
• Essential installation gaskets
• Mounting hardware

Ideal For:

This diesel oxidation catalyst is ideal for Dodge Ram 2500 and 3500 owners who require a reliable, EPA-compliant replacement part to maintain emissions performance and avoid check engine light issues. It suits those who prefer a direct-fit solution that preserves factory exhaust flow and fuel economy without the hassle of complex installation procedures.

Emissions Note

This part is designed to meet or exceed Federal EPA emissions standards for OBDII-registered diesel vehicles. Please note that 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.