Walker 14623 Catalytic Converter - Right

Brand Walker 14623
Position Right
Grade Type Premium
Overall Length 60.000
Catalyst Type Eco ii
Clamp Qty 1
Inlet Gasket Qty 1
Inlet Hardware None
Inlet Type A 3 bolt spinner
O2 Sensor Ports 2
Outlet Gasket Qty None
Outlet Hardware None
Outlet Type A 3" od
Type Federal / epa direct-fit undercar
Product line EPA
Fits Chevrolet and GMC · 24 vehicles

EPA direct-fit design. Built for compliant replacement with a straightforward installation.

Premium performance. Walker Ultra catalytic converters deliver dependable exhaust flow and emissions control.

ECO II catalyst. Engineered for efficient emissions reduction with two O2 sensor ports.

Cross-references Dorman - HELP 93613 and 645980 for the same application. See all 2.

$400.52Free shipping
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Order total $400.52
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker EPA 14623 Catalytic Converter

Walker EPA 14623 is a premium direct-fit catalytic converter for OBDII vehicles, built for Federal/EPA applications and engineered for a precise exhaust-system replacement. It is designed for the right-side position on select Chevrolet Express and GMC Savana vans, with fitment matched to the original undercar configuration.

Key Features

  • Premium-grade catalytic converter for exhaust repair
  • Federal / EPA direct-fit undercar design
  • ECO II catalyst type
  • Overall length: 60.000
  • 3 bolt spinner inlet connection
  • 3" OD outlet connection
  • Two O2 sensor ports
  • Includes one inlet gasket

Product Details

Walker EPA 14623 is part of the Walker Ultra Direct-Fit Catalytic Converter line, a product line focused on EPA-compliant replacement parts for import and domestic OBDII vehicles. This converter is built for 1996-1999 Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express 3500, GMC Savana 1500, GMC Savana 2500, and GMC Savana 3500 applications in the right-side position. The part number 14623 is also a useful reference when comparing replacement options for the same exhaust configuration.

This part cross-references Dorman - HELP 93613 for the same application.

Common Repair Uses

  • Check engine light related to catalyst efficiency
  • Failed emissions inspection caused by a worn catalytic converter
  • Exhaust restriction from a deteriorated converter substrate
  • Direct replacement for a damaged or rusted right-side undercar converter
  • Restoring proper exhaust flow on Chevrolet Express and GMC Savana vans

Installation Notes

Verify the vehicle is a 1996-1999 Chevrolet Express or GMC Savana with the right-side undercar layout before installation. Confirm the 3 bolt spinner inlet, 3" OD outlet, and two O2 sensor ports match the original exhaust configuration. Because this is a direct-fit converter, alignment with the factory mounting points and sensor locations should be checked before final tightening.

Quality Assurance

Walker EPA converters are built to meet Federal/EPA standards for the listed OBDII applications and are intended for emissions-compliant replacement use on the specified vehicles.

This part fits 24 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersWheel BasePositionNotes
1999ChevroletExpress 15005.7LV8135.0"RightEPA
1999ChevroletExpress 25005.7LV8135.0"RightEPA
1999ChevroletExpress 35005.7LV8135.0"RightEPA
1999GMCSavana 15005.7LV8135.0"RightEPA
1999GMCSavana 25005.7LV8135.0"RightEPA
1999GMCSavana 35005.7LV8135.0"RightEPA
1998ChevroletExpress 15005.7LV8135.0"RightEPA
1998ChevroletExpress 25005.7LV8135.0"RightEPA
1998ChevroletExpress 35005.7LV8135.0"RightEPA
1998GMCSavana 15005.7LV8135.0"RightEPA
1998GMCSavana 25005.7LV8135.0"RightEPA
1998GMCSavana 35005.7LV8135.0"RightEPA
1997ChevroletExpress 15005.7LV8135.0"RightEPA
1997ChevroletExpress 25005.7LV8135.0"RightEPA
1997ChevroletExpress 35005.7LV8135.0"RightEPA
1997GMCSavana 15005.7LV8135.0"RightEPA
1997GMCSavana 25005.7LV8135.0"RightEPA
1997GMCSavana 35005.7LV8135.0"RightEPA
1996ChevroletExpress 15005.7LV8135.0"RightEPA
1996ChevroletExpress 25005.7LV8135.0"RightEPA
1996ChevroletExpress 35005.7LV8135.0"RightEPA
1996GMCSavana 15005.7LV8135.0"RightEPA
1996GMCSavana 25005.7LV8135.0"RightEPA
1996GMCSavana 35005.7LV8135.0"RightEPA
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 93613645980