Walker 81661 Catalytic Converter - Right

Walker CalCat Direct-Fit Catalytic Converter

Walker CalCat 81661 is a direct-fit catalytic converter built for CARB-compliant replacement needs on select Ford, Lincoln, and Mercury full-size sedans. It is designed for a precise OE-style fit and is available for OBDII and non-OBD applications within the covered model years.

For buyers searching for a 1995-2002 Mercury Grand Marquis catalytic converter, a 1995-2002 Lincoln Town Car right-side converter, or a 1995-2002 Ford Crown Victoria right catalytic converter, this Walker CalCat unit is built around the original exhaust layout and emissions requirements.

• Direct-fit design for specific vehicle applications
• CARB certified for California and other CARB-compliant states
• Standard oval body shape with stainless steel body construction
• Ceramic substrate material for emissions control
• Pre- and post-catalyst oxygen sensor location
• 2-bolt loose flange inlet with spherical flare
• 2-bolt welded flange outlet
• Regular-grade, OE-style replacement construction

Walker CalCat Product Line Details

Walker CalCat converters are engineered, tested, and validated to meet CARB standards. This product line focuses on direct-fit replacement converters for vehicles that require emissions compliance and a factory-style installation profile.

Detailed Product Overview

Walker 81661 is a CARB Executive Order D-182-48 catalytic converter for the right side on covered applications. It uses a stainless steel body with a ceramic substrate and a standard oval housing measuring 10 inches long, 6.125 inches wide, and 4.25 inches high, with an overall length of 32.5 inches. The inlet measures 3 inches inside diameter, and the outlet measures 2 inches outside diameter. This part cross-references Monroe Shocks & Struts (e.g., 612871) for the same application.

Compatible vehicle coverage includes 1995-2002 Ford Crown Victoria, 1995-2002 Lincoln Town Car, and 1995-2002 Mercury Grand Marquis, right side, with notes that vary by engine family and emissions configuration. The part number 81661 is commonly searched for CARB-compliant replacement needs on these models.

Common Problems This Part Can Address

• Failed emissions inspection due to a worn or inefficient converter
• Check engine light concerns related to catalyst efficiency codes
• Restricted exhaust flow from a deteriorated converter core
• Replacement needs after converter damage, corrosion, or internal breakdown
• CARB compliance requirements for regulated-state vehicle repairs

Installation Notes and Fitment Tips

Fits 2002 Ford Crown Victoria, right. Fits 2002 Lincoln Town Car, right. Fits 2002 Mercury Grand Marquis, right. Fits 2001 Ford Crown Victoria, right. Fits 2001 Lincoln Town Car, right. Fits 2001 Mercury Grand Marquis, right. Fits 2000 Ford Crown Victoria, right. Fits 2000 Lincoln Town Car, right. Fits 2000 Mercury Grand Marquis, right. Fits 1999 Ford Crown Victoria, right. Fits 1999 Lincoln Town Car, right. Fits 1999 Mercury Grand Marquis, right. Fits 1998 Ford Crown Victoria, right. Fits 1998 Lincoln Town Car, right. Fits 1998 Mercury Grand Marquis, right. Fits 1997 Ford Crown Victoria, right. Fits 1997 Lincoln Town Car, right. Fits 1997 Mercury Grand Marquis, right. Fits 1996 Ford Crown Victoria, right. Fits 1996 Lincoln Town Car, right. Fits 1996 Mercury Grand Marquis, right. Fits 1995 Ford Crown Victoria, right. Fits 1995 Lincoln Town Car, right. Fits 1995 Mercury Grand Marquis, right.

Review the engine family number and emissions notes before ordering, since some applications require additional parts for installation and certain 1999 configurations have state-specific restrictions. Exhaust gasket use is recommended where noted in the fitment data.

Quality Assurance

Walker CalCat 81661 is designed, tested, and validated for CARB compliance and OE-style fitment. It is CARB certified and covered under Executive Order D-182-48 for the listed applications.