Walker 55744 Catalytic Converter

Overview

Walker EPA 55744 is a specific-fit catalytic converter built for EPA-compliant replacement on select OBDII vehicles. It uses stainless steel construction, welded 2-bolt flanges, and a round body layout for a direct-fit exhaust service part.

Compatible with 2013-2015 Buick LaCrosse, N/A, this catalytic converter is part of Walker Ultra Direct-Fit Catalytic Converters, a product line focused on premium replacement fitment for import and domestic applications. Part number 55744 is also referenced by 22935310 for the same application.

Key Features

• EPA-compliant replacement catalytic converter for OBDII vehicles.
• Specific-fit design with welded 2-bolt inlet and outlet connections.
• Stainless steel body construction for exhaust system durability.
• Round body shape with premium-grade construction.
• Walker Ultra Direct-Fit product line for direct exhaust service applications.

Detailed Description

Walker 55744 is engineered as a direct-fit catalytic converter for the Buick LaCrosse application listed above. The unit features a round stainless steel body, 2-bolt welded flanges at both ends, and no sensor ports, matching the needs of a straightforward exhaust replacement where EPA compliance is required. The 54.590-inch overall length and specific-fit layout support accurate exhaust alignment during service.

Common Issues This Part Can Address

• Failed catalytic converter efficiency codes.
• Exhaust restriction caused by a worn converter core.
• Emissions test failure related to converter performance.
• Corrosion or damage in the converter housing.
• Exhaust leaks at the converter connection points.

Installation Notes and Tips

Verify flange style, inlet and outlet diameters, and overall length before installation. This part uses 2-bolt welded flange connections and is listed for EPA use, so confirm the vehicle’s exhaust configuration matches the fitment data before replacement. Professional exhaust installation is recommended for proper sealing and alignment.

Quality Assurance

Walker EPA 55744 is designed to comply with EPA standards and is offered through the Walker Ultra Direct-Fit Catalytic Converters line. It is built for premium replacement performance in approved OBDII applications.