Walker 14728 Catalytic Converter with Integrated Exhaust Manifold - Front

Overview

Walker EPA 14728 is a specific-fit catalytic converter with integrated exhaust manifold for select Hyundai and Kia applications. It is built for OBDII vehicles and combines a stainless steel body with a ceramic substrate for a direct-fit exhaust repair.

This part cross-references AP Exhaust 641589 and 52777 for the same application.

Key Features

• Premium-grade catalytic converter with integrated exhaust manifold design
• Stainless steel body and stainless steel heat shield
• Ceramic substrate with ECOIII catalyst type
• 7-bolt welded flange inlet and 2-bolt welded flange outlet
• Pre- and post-converter oxygen sensor ports
• Heat shield attached for added thermal management
• Includes inlet gasket, outlet gasket, and outlet hardware

Detailed Description

Walker EPA 14728 is engineered as a direct-fit exhaust replacement for vehicles that use an integrated manifold and catalytic converter assembly. The round stainless steel housing, ceramic substrate, and welded flange connections support a precise installation and proper exhaust flow. With two oxygen sensor ports and sensor locations before and after the converter, this unit is built for emissions-system service on OBDII-equipped vehicles.

Compatible With 2016-2020 Kia Optima, front, EPA and 2015-2019 Hyundai Sonata, front, EPA. Walker EPA 14728 is a practical choice when replacing a worn or failed converter on these applications. The Walker EPA line focuses on EPA-compliant direct-fit exhaust components for import and domestic vehicles, and this part follows that approach with application-specific construction.

Common Repair Uses

• Check engine light related to catalyst efficiency
• Exhaust leaks at the manifold or flange connection
• Restricted exhaust flow from a deteriorated converter
• Failed oxygen sensor readings caused by converter wear
• Noise or odor from a damaged exhaust manifold/converter assembly

Installation Notes

Verify flange style, sensor port count, and overall length before installation. This unit uses a 7-bolt welded flange inlet and 2-bolt welded flange outlet, with attached heat shielding and included outlet hardware. Confirm gasket and sensor routing requirements against the original assembly before beginning service.

Quality Assurance

Walker EPA 14728 is designed to comply with EPA standards for OBDII applications and is part of Walker's EPA-focused direct-fit converter line.