HomeExhaust > Catalytic ConverterWalker 14651 Catalytic Converter with Integrated Exhaust Manifold - Front Left
Part #: 14651

Walker 14651 Catalytic Converter with Integrated Exhaust Manifold - Front Left

EPA, Front Left
5 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
EPA, Front Left
Fitment: INFINITI, QX56 and QX80
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Walker EPA Direct-Fit Catalytic Converter

Walker EPA Part Number 14651 is a premium-grade, direct-fit catalytic converter with integrated exhaust manifold for specific Infiniti V8 applications. It is built to meet Federal EPA standards and is engineered for OBDII vehicles, giving you a direct replacement option for emissions-related exhaust service.

The Walker Ultra Direct-Fit product line focuses on OE-style fit and EPA-compliant performance for import and domestic vehicles. This unit is designed for front left installation on the listed Infiniti QX56 and QX80 applications.

Key Features

  • Premium grade catalytic converter with integrated exhaust manifold
  • Federal / EPA direct-fit manifold design
  • Built for OBDII 1996 and newer vehicle applications
  • Walker 14651 direct replacement for front left exhaust service
  • Fits 2011-2013 INFINITI QX56, front left
  • Fits 2014-2015 INFINITI QX80, front left

Detailed Description

Walker 14651 is a direct-fit catalytic converter assembly for the front left position on 2011-2013 INFINITI QX56 and 2014-2015 INFINITI QX80 models. As part of the Walker EPA line, it is built for Federal emissions applications and uses a premium construction approach for replacement of the original exhaust manifold and catalyst assembly. If you are searching for a Walker catalytic converter for Infiniti QX56 front left or a Walker 14651 catalytic converter for Infiniti QX80 front left, this part matches the listed vehicle coverage.

This part cross-references LuK 22-035 for the same application.

Common Issues This Part Can Address

  • Failed catalytic converter efficiency codes
  • Exhaust leaks at the manifold-to-catalyst assembly
  • Emissions test failure related to the front left converter
  • Rattling or damaged internal catalyst substrate
  • Restricted exhaust flow from a worn OE assembly

Installation Notes and Tips

Confirm the vehicle year, model, and front left position before installation. Compare the original exhaust manifold and converter layout to the Walker 14651 assembly to verify sensor and flange alignment. Because this is a direct-fit manifold-style converter, proper sealing surfaces and fastener condition should be checked during exhaust service.

Quality Assurance

Walker Ultra Direct-Fit Catalytic Converters are engineered to comply with EPA standards and are intended for Federal emissions applications. The Walker EPA product line is positioned for direct replacement use on listed OBDII vehicles, including Infiniti QX56 and Infiniti QX80 front left applications.

BrandWalker
Part Number14651
PositionEPA, Front Left
Grade TypePremium
TypeFederal / epa direct-fit manifold

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015INFINITIQX805.6LV8Front LeftEPA
2014INFINITIQX805.6LV8Front LeftEPA
2013INFINITIQX565.6LV8Front LeftEPA
2012INFINITIQX565.6LV8Front LeftEPA
2011INFINITIQX565.6LV8Front LeftEPA

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

22-035

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.