Walker 84379 Catalytic Converter - Front Right

Walker CalCat 84379 Catalytic Converter

Walker CalCat 84379 is a direct-fit catalytic converter built for specific front-right applications on select Ford, Mercury, and related vehicles. It is CARB certified and engineered for an OE-style fit, making it a practical replacement for emissions service on covered 2005-2007 models.

Key Features

• Direct-fit catalytic converter for specific applications
• CARB certified for California and other CARB-regulated states
• Stainless steel body with ceramic substrate material
• Round body design with 2-bolt welded flange inlet and outlet
• Post-catalyst oxygen sensor location
• Fits front right position on select Ford Five Hundred, Ford Freestyle, and Mercury Montego models
• Walker CalCat product line focuses on OE-style replacement fitment for OBDII and non-OBD vehicles

Detailed Description

Walker CalCat 84379 is designed for drivers who need a replacement catalytic converter that matches the original mounting style and emissions requirements for specific vehicles. This unit uses a stainless steel body, ceramic substrate, and a direct-fit configuration with 2-bolt welded flanges at both the inlet and outlet. The overall length measures 18.375 inches, with a round body profile sized for the listed front-right applications. This part cross-references Monroe Shocks & Struts (e.g., 5411042) for the same application.

Compatible With 2005-2007 Ford Five Hundred, front right; 2005-2007 Ford Freestyle, front right; and 2005-2007 Mercury Montego, front right. The Walker CalCat 84379 part number is also commonly searched by shoppers comparing emissions replacement options for these vehicles.

What It Helps Address

• Failed emissions inspection due to a worn or inefficient converter
• Check engine light concerns related to catalyst efficiency codes
• Exhaust restriction caused by a deteriorated substrate
• Replacement needs after corrosion or physical damage to the converter body
• Restoring proper exhaust flow on CARB-regulated applications

Installation Notes and Tips

Verify the vehicle’s engine family number and front-right position before ordering. This converter uses a specific fit design with welded flange connections, so confirm flange style and outlet diameter match the original exhaust layout. Because mounting hardware is not listed as included, plan to reuse or source the required installation components separately if needed. For California and other CARB states, confirm the Executive Order and application details before installation. The Walker 84379 should be matched to the exact year, make, model, and position shown in the fitment data.

Quality Assurance

Walker CalCat converters are designed, tested, and validated to meet CARB standards for the listed applications. This part is CARB certified and built for direct-fit replacement use on covered 2005-2007 Ford Five Hundred, Ford Freestyle, and Mercury Montego vehicles.