New Genuine Walker Exhaust 54756 - Ultra EX EPA Direct Fit Catalytic Converter

New Genuine Parts

# New Genuine Walker Ultra EX EPA Direct-Fit Catalytic Converter

### Part Number: 54756 | Premium Bolt-On Fit for Selected GM 1997-2005 V6 & L4

Keep your Check Engine Light (CEL) off and pass local tailpipe checks with this brand-new, original equipment-style Walker Ultra EX Direct-Fit Catalytic Converter. Engineered specifically for highly sensitive OBDII vehicle networks, this premium converter matches factory pipe routings, hanger positions, and integrated bracket configurations exactly for an easy bolt-on setup without complex fabrication or welding.

Constructed with a heavy-duty stainless steel body, this unit features a specialized, high-technology internal washcoat loaded with optimal precious metals. It reliably targets and treats exhaust gases, ensuring long-lasting performance and structural durability under high operational heat.

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## 🚘 Vehicle Compatibility

This direct-fit catalytic converter matches the following applications under federal emission packages:

* **Chevrolet Malibu** — 1997, 1998, 1999, 2000, 2001, 2002, 2003

* **Pontiac Grand Am** — 1999, 2000, 2001, 2002, 2003, 2004, 2005

* **Oldsmobile Alero** — 1999, 2000, 2001, 2002, 2003, 2004

* **Oldsmobile Cutlass** — 1997, 1998, 1999

* **Oldsmobile Achieva** — 1998

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## ✨ Key Features & Benefits

* **Direct-Fit Design:** Features OE-style brackets, hangers, and heat shields to guarantee an exact factory-style fitment that avoids custom welding.

* **Keeps Fault Codes Off:** The optimized ceramic honeycomb core relies on high-grade washcoating to drastically lower exhaust emissions and prevent P0420 codes.

* **Air-Gap Insulation Technology:** Uses a heavy-duty air-gap pipe configuration that establishes an insulating air space between lines to safely repel intense operational heat.

* **Premium Materials:** Built with a structural stainless steel canister shield and extra-thick welded flanges to resist common road rust and physical impact.

* **EPA Compliant:** Formulated to fully meet or exceed standard federal EPA requirements for 1996 and newer OBDII vehicles.

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## 🚫 Regional Legal Restrictions & Fitment Notes

* **EPA Federal Emissions Only:** This part is engineered to comply with Federal EPA standards.

* **Legal Restrictions:** Not legal for sale, registration, or use in California and Colorado.

* **State Specific Rules:** Legal in New York and Maine on EPA Federal Emission equipped vehicles only. Please check your specific state regulations before buying.

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## 🔄 Interchange & Reference Numbers

* **Walker Part Number:** 54756

* **AP Exhaust:** 642547

* **Eastern Catalytic:** 50335

* **UPC Barcode:** 086387547567

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## 📋 Technical Specs

* **Converter Type:** Direct-Fit Specific Assembly

* **Body Material:** High-Strength Stainless Steel

* **Substrate Material:** Ceramic Honeycomb Core

* **Inlet Type:** 2-Bolt Welded Flange Connection

* **Outlet Type:** 3-Bolt Welded Flange Connection

* **Air Tube Included:** No (Not Required for These Systems)

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See pictures for details