HomeExhaust > Catalytic ConverterWalker 54756 Catalytic Converter
Part #: 54756

Walker 54756 Catalytic Converter

EPA
⚙️ 29 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦EPA
🚗Fitment: Chevrolet, Oldsmobile, and Pontiac, Achieva, Alero, Cutlass, Grand Am, and Malibu
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Overview of Walker EPA Catalytic Converter 54756

The Walker EPA Catalytic Converter 54756 is designed for specific fitment on select Chevrolet, Oldsmobile, and Pontiac models from 1997 to 2005. This direct fit catalytic converter offers a stainless steel round body construction, engineered to meet regular grade requirements for reliable exhaust emission control.

  • Specific fit for Chevrolet Achieva, Alero, Malibu
  • Compatible with Oldsmobile Cutlass models
  • Designed for Pontiac Grand Am
  • Stainless steel round body, 13 inches length, 4.25 inches diameter
  • Direct fit with 2 bolt welded flange inlet connection
  • Single inlet and outlet, 2.125 inch outside diameter inlet
  • Regular grade type, no mounting hardware included
  • Not CARB certified, fits model years 1997 through 2005

Product Line Details: Walker EPA Catalytic Converter

The Walker EPA product line focuses on catalytic converters that comply with Environmental Protection Agency standards, providing emission control solutions for vehicles requiring specific direct-fit parts. The EPA line is tailored to meet federal regulations and is designed for vehicles that do not require California Air Resources Board (CARB) certification. The 54756 model fits within this line, offering a reliable replacement option for compatible Chevrolet, Oldsmobile, and Pontiac vehicles.

Detailed Product Description

This catalytic converter features a durable stainless steel body with a round shape measuring 13 inches in length and 4.25 inches in both width and height. It includes a single inlet and outlet, each connected via a 2 bolt welded flange with an inlet diameter of 2.125 inches (outside diameter). The converter is designed as a direct fit replacement, ensuring compatibility with the exhaust systems of Chevrolet Achieva, Alero, Malibu, Oldsmobile Cutlass, and Pontiac Grand Am models from 1997 to 2005. The regular grade construction supports standard emission control requirements without additional air tubes or complex fittings.

Common Applications and Issues Addressed

  • Replacement for damaged or clogged catalytic converters on specified GM models
  • Restores proper exhaust flow and emission control
  • Helps resolve check engine light issues related to catalytic converter failure
  • Reduces harmful exhaust emissions to meet EPA standards
  • Improves vehicle performance affected by exhaust restrictions

Installation Notes and Tips

This catalytic converter is designed for direct fit installation on compatible vehicles. It features a 2 bolt welded flange inlet connection, so ensure the existing exhaust flange matches this configuration. Mounting hardware is not included and may need to be sourced separately. Proper alignment and secure flange connections are essential to prevent exhaust leaks. Professional installation is recommended to verify fitment and ensure compliance with local emission regulations.

Quality Assurance and Warranty

Walker EPA catalytic converters are manufactured with stainless steel bodies to resist corrosion and provide durability. While this product is not CARB certified, it meets EPA standards for federal emission compliance. Warranty details should be confirmed with the manufacturer or distributor, as coverage may vary based on application and region.

BrandWalker
Part Number54756
PositionEPA
Mounting Hardware IncludedNo
Universal Or Specific FitSpecific
Grade TypeRegular
Body ShapeRound
Body Height4.25
Body Length13
Body Width4.25
Inlet Quantity1
Body MaterialStainless steel
Outlet Quantity1
California Air Resources Board (CARB) CertifiedNo
Overall Length38
Air TubeNo
Air Tube CountNo
Body Height4.250
Body Length13.000
Body MaterialStainless steel
Body ShapeRound
Body Width4.250
Converter Quantity1
FitmentDirect fit
Inlet 1 Type2 bolt welded flange
Inlet Connection Type2 bolt welded flanges
Inlet Count1
Inlet Diameter 12.125
Inlet Diameter DesignationOutside diameter
Inlet Type2 bolt welded flange
Max Year Covered2005
Min Year Covered1997
Most Popular Make / ModelPontiac grand am

This part fits 29 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2005PontiacGrand Am3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2005PontiacGrand AmSE2.2LL4N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2004OldsmobileAlero3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2004PontiacGrand Am2.2LL4N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2004PontiacGrand Am3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2003ChevroletMalibu3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2003OldsmobileAlero3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2003PontiacGrand Am2.2LL4N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2003PontiacGrand Am3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2002ChevroletMalibu3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2002OldsmobileAlero3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2002PontiacGrand Am2.2LL4N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2002PontiacGrand Am3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2001ChevroletMalibu3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2001OldsmobileAlero3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2001PontiacGrand Am3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2000ChevroletMalibu3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2000OldsmobileAlero3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
2000PontiacGrand Am3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
1999ChevroletMalibu3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
1999OldsmobileAlero3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
1999OldsmobileCutlass3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; with Federal Emission System; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
1999PontiacGrand Am3.4LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
1998ChevroletMalibu3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
1998OldsmobileAchieva3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; with Federal Emission System; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
1998OldsmobileCutlass3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; with Federal Emission System; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
1997ChevroletMalibu3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
1997OldsmobileCutlassGLS3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; with Federal Emission System; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA
1997OldsmobileCutlassBase3.1LV6N/AAir Gap Pipe; Air Space Between Pipes Acts as a Heat Insulator; Appearance may be different than OE Pipe; Optional Extra Precious Metal Loading Type; with Federal Emission System; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type; EPA

* 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:

2352042054831486350254503355034651996642520642547642730940863942205942831942863944205

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