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Walker 54756 Catalytic Converter
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.
| Brand | Walker |
| Part Number | 54756 |
| Position | EPA |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Round |
| Body Height | 4.25 |
| Body Length | 13 |
| Body Width | 4.25 |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Overall Length | 38 |
| Air Tube | No |
| Air Tube Count | No |
| Body Height | 4.250 |
| Body Length | 13.000 |
| Body Material | Stainless steel |
| Body Shape | Round |
| Body Width | 4.250 |
| Converter Quantity | 1 |
| Fitment | Direct fit |
| Inlet 1 Type | 2 bolt welded flange |
| Inlet Connection Type | 2 bolt welded flanges |
| Inlet Count | 1 |
| Inlet Diameter 1 | 2.125 |
| Inlet Diameter Designation | Outside diameter |
| Inlet Type | 2 bolt welded flange |
| Max Year Covered | 2005 |
| Min Year Covered | 1997 |
| Most Popular Make / Model | Pontiac grand am |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Pontiac | Grand Am | 3.4L | V6 | N/A | Air 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 | |
| 2005 | Pontiac | Grand Am | SE | 2.2L | L4 | N/A | Air 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 |
| 2004 | Oldsmobile | Alero | 3.4L | V6 | N/A | Air 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 | |
| 2004 | Pontiac | Grand Am | 2.2L | L4 | N/A | Air 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 | |
| 2004 | Pontiac | Grand Am | 3.4L | V6 | N/A | Air 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 | |
| 2003 | Chevrolet | Malibu | 3.1L | V6 | N/A | Air 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 | |
| 2003 | Oldsmobile | Alero | 3.4L | V6 | N/A | Air 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 | |
| 2003 | Pontiac | Grand Am | 2.2L | L4 | N/A | Air 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 | |
| 2003 | Pontiac | Grand Am | 3.4L | V6 | N/A | Air 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 | |
| 2002 | Chevrolet | Malibu | 3.1L | V6 | N/A | Air 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 | |
| 2002 | Oldsmobile | Alero | 3.4L | V6 | N/A | Air 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 | |
| 2002 | Pontiac | Grand Am | 2.2L | L4 | N/A | Air 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 | |
| 2002 | Pontiac | Grand Am | 3.4L | V6 | N/A | Air 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 | |
| 2001 | Chevrolet | Malibu | 3.1L | V6 | N/A | Air 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 | |
| 2001 | Oldsmobile | Alero | 3.4L | V6 | N/A | Air 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 | |
| 2001 | Pontiac | Grand Am | 3.4L | V6 | N/A | Air 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 | |
| 2000 | Chevrolet | Malibu | 3.1L | V6 | N/A | Air 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 | |
| 2000 | Oldsmobile | Alero | 3.4L | V6 | N/A | Air 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 | |
| 2000 | Pontiac | Grand Am | 3.4L | V6 | N/A | Air 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 | |
| 1999 | Chevrolet | Malibu | 3.1L | V6 | N/A | Air 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 | |
| 1999 | Oldsmobile | Alero | 3.4L | V6 | N/A | Air 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 | |
| 1999 | Oldsmobile | Cutlass | 3.1L | V6 | N/A | Air 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 | |
| 1999 | Pontiac | Grand Am | 3.4L | V6 | N/A | Air 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 | |
| 1998 | Chevrolet | Malibu | 3.1L | V6 | N/A | Air 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 | |
| 1998 | Oldsmobile | Achieva | 3.1L | V6 | N/A | Air 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 | |
| 1998 | Oldsmobile | Cutlass | 3.1L | V6 | N/A | Air 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 | |
| 1997 | Chevrolet | Malibu | 3.1L | V6 | N/A | Air 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 | |
| 1997 | Oldsmobile | Cutlass | GLS | 3.1L | V6 | N/A | Air 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 |
| 1997 | Oldsmobile | Cutlass | Base | 3.1L | V6 | N/A | Air 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.