Walker 16872 Catalytic Converter - Front Left

Brand Walker 16872
Position Front Left
Grade Type Premium
Product line EPA
Fits Buick · 2 vehicles

EPA-compliant design. Built for emissions-focused replacement on OBDII vehicles.

Direct-fit replacement. Application-specific exhaust fitment simplifies service.

Premium grade. Walker Ultra Direct-Fit construction for the listed application.

Cross-references 25798276 for the same application. See all 1.

$582.97Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $582.97
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

Walker EPA catalytic converter 16872 is a direct-fit exhaust replacement for select OBDII vehicles. It is built to meet EPA standards and deliver premium performance for the listed application.

Fits 2010-2011 Buick LaCrosse, front left.

Key Features

  • Direct-fit catalytic converter for straightforward exhaust service.
  • EPA-compliant design for OBDII vehicles from 1996 and newer.
  • Premium grade construction for the specified application.
  • Walker Ultra Direct-Fit line for import and domestic coverage.

Detailed Description

Walker 16872 is part of the EPA product line and is engineered as a direct-fit catalytic converter for emissions-related exhaust repair. It is listed for 2010-2011 Buick LaCrosse front left applications and is intended for vehicles that require an EPA-standard replacement in the exhaust system. The Walker Ultra Direct-Fit Catalytic Converters line focuses on application-specific fitment for import and domestic OBDII vehicles, helping simplify replacement selection for the correct Buick LaCrosse configuration. This part cross-references 25798276 for the same application.

What It Is Used For

  • Replacing a worn or failed catalytic converter.
  • Restoring emissions-system function on the listed vehicle.
  • Addressing exhaust efficiency issues tied to converter degradation.
  • Correcting check-engine light conditions related to catalyst performance.

Installation Notes

Verify the vehicle’s OBDII configuration and front-left fitment before installation. Match the existing exhaust layout and emissions requirements to the listed application. Professional installation is recommended for proper exhaust sealing and emissions compliance.

Quality Assurance

Walker EPA parts are built for compliance-focused replacement, and the Ultra Direct-Fit line is positioned for application-specific exhaust service.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011BuickLaCrosse3.6LV6Front LeftEPA
2010BuickLaCrosse3.6LV6Front LeftEPA
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
25798276