Walker 16873 Catalytic Converter - Front Right

Overview

Walker EPA catalytic converter 16873 is a direct-fit exhaust replacement for OBDII vehicles that need EPA-compliant emissions control. It is built as a premium-grade converter for a specific fitment application and is listed for the front right position on compatible Buick LaCrosse models.

Key Features

• Premium-grade catalytic converter for emissions system service
• Direct-fit design for a cleaner replacement process
• EPA-compliant construction for OBDII applications
• Walker Ultra Direct-Fit product line
• Fits 2010-2011 Buick LaCrosse, front right

Detailed Description

This Walker 16873 catalytic converter is part of the EPA-focused Ultra Direct-Fit line and is engineered for import and domestic OBDII vehicles from 1996 and newer. For Buick LaCrosse applications, it fits 2010-2011 Buick LaCrosse, front right, and is intended to restore proper exhaust aftertreatment performance while meeting EPA standards. The premium grade construction supports a straightforward replacement when the original converter is worn, restricted, or no longer passing emissions checks. This part cross-references GM 20907468 for the same application.

Common Issues It Can Address

• Failed emissions inspection due to a worn catalytic converter
• Check engine light related to catalyst efficiency faults
• Restricted exhaust flow from a deteriorated converter
• Replacement needs after internal substrate damage or contamination

Installation Notes and Tips

Verify the vehicle’s emissions configuration, position, and OE reference before installation. This converter is listed for the front right position on 2010-2011 Buick LaCrosse applications, so match the existing exhaust layout and sensor arrangement before ordering. Confirm all mounting points and exhaust connections align with the vehicle’s original setup.

Quality Assurance

Walker’s EPA Ultra Direct-Fit line is built around compliance-focused exhaust replacement for OBDII vehicles. The part number 16873 is specified as a premium-grade catalytic converter for the listed application.