Walker 84384 Catalytic Converter - Right

Walker CalCat 84384 Catalytic Converter

Walker CalCat 84384 is a direct-fit catalytic converter built for CARB-compliant replacement on select Ford, Lincoln, and Mercury applications. It is engineered for a precise OE-style fit and is designed for OBDII and non-OBD vehicles where California Air Resources Board certification is required.

For drivers searching for a catalytic converter for a 2004-2011 Mercury Grand Marquis right side or a direct-fit replacement for a Lincoln Town Car or Ford Crown Victoria, this Walker CalCat unit is built around the original exhaust layout. Part number 84384 is also listed for the Mercury Grand Marquis, making it a focused replacement for the specified right-side application.

Key Features

• CARB certified for use in California and other states that require CARB-compliant replacement converters
• Direct-fit design for specific vehicle applications
• Standard oval body with stainless steel housing
• Ceramic substrate for emissions conversion
• 2-bolt loose flange inlet with spherical flare
• 2-bolt welded flange outlet
• Pre- and post-catalyst oxygen sensor locations
• Converter quantity: 2

Product Details

Walker CalCat is the brand line for CARB-focused replacement converters, built to meet emissions compliance requirements while maintaining OE-style fitment. This part number 84384 uses a standard oval body, measures 10 inches in body length and 38 inches overall, and features a 1.995-inch outlet outside diameter. It is a specific-fit catalytic converter assembly for the right-side position on the listed vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 5411011) for the same application.

Common Problems This Part Can Address

• Failed emissions test due to a worn or inefficient catalytic converter
• Check engine light related to catalyst efficiency codes
• Exhaust restriction from a deteriorated converter substrate
• CARB compliance issues on regulated vehicle applications
• Replacement needs after converter damage, contamination, or age-related breakdown

Installation Notes and Fitment

• Fits 2011 Lincoln Town Car, right; CARB Executive Order D-182-73; EFN BFMXV04.6VE3; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2010 Lincoln Town Car, right; CARB Executive Order D-182-73; EFN AFMXV04.6VE3; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2008 Ford Crown Victoria, right; CARB Executive Order D-182-73; EFN 8FMXV04.6VEF; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2008 Lincoln Town Car, right; CARB Executive Order D-182-73; EFN 8FMXV04.6VE9; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2008 Mercury Grand Marquis, right; CARB Executive Order D-182-73; EFN 8FMXV04.6VEF; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2007 Ford Crown Victoria, right; CARB Executive Order D-182-73; EFN 7FMXV04.6VE9 or 7FMXV04.6VE8 or 7FMXV04.6VEF; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2007 Lincoln Town Car, right; CARB Executive Order D-182-73; EFN 7FMXV04.6VE8 or 7FMXV04.6VE9; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2007 Mercury Grand Marquis, right; CARB Executive Order D-182-73; EFN 7FMXV04.6VE9 or 7FMXV04.6VEF or 7FMXV04.6VE8; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2006 Ford Crown Victoria, right; CARB Executive Order D-182-73; EFN 6FMXV04.6VE8; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2006 Lincoln Town Car, right; CARB Executive Order D-182-73; EFN 6FMXV04.6VE8; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2006 Mercury Grand Marquis, right; CARB Executive Order D-182-73; EFN 6FMXV04.6VE8; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2005 Ford Crown Victoria, right; CARB Executive Order D-182-73; EFN 5FMXV04.6VE8; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2005 Lincoln Town Car, right; CARB Executive Order D-182-73; EFN 5FMXV04.6VE8; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2005 Mercury Grand Marquis, right; CARB Executive Order D-182-73; EFN 5FMXV04.6VE8; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2004 Ford Crown Victoria, right; CARB Executive Order D-182-73; EFN 4FMXV04.6VE5; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2004 Lincoln Town Car, right; CARB Executive Order D-182-73; EFN 4FMXV04.6VE5; exhaust gasket is recommended; additional part needed to complete installation: 31336
• Fits 2004 Mercury Grand Marquis, right; CARB Executive Order D-182-73; EFN 4FMXV04.6VE5; exhaust gasket is recommended; additional part needed to complete installation: 31336

Quality Assurance

Walker designs, tests, and validates CalCat converters to meet CARB standards and deliver OE-style fitment for regulated replacement applications. Part number 84384 is built as a direct-fit emissions component for the listed Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis vehicles.