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Walker 55543 Catalytic Converter - Front
Overview of Walker EPA Catalytic Converter 55543
The Walker EPA Catalytic Converter 55543 is designed specifically for Dodge Ram 1500 models up to the year 2003. Engineered for direct fit installation, this catalytic converter ensures compatibility and reliable exhaust emission control for your vehicle.
- Direct fit for Dodge Ram 1500 (up to 2003)
- Constructed from durable stainless steel body
- Round body shape with dimensions: 13" length, 4.25" width, and 4.25" height
- Dual inlet design with 2.375" inside diameter
- Inlet types include 2 bolt welded flange and 2 bolt loose flange with spherical flare
- Single outlet configuration
- Regular grade type for standard performance
- Overall length of 52.5" for precise fitment
Walker EPA Product Line Details
The EPA product line by Walker focuses on meeting environmental standards while providing reliable exhaust system components. This catalytic converter 55543 is part of the EPA series, designed to offer a specific fit and function for targeted vehicle applications such as the Dodge Ram 1500. The line emphasizes quality materials like stainless steel to ensure durability and consistent performance over time.
Product Specifications and Features
This Walker catalytic converter features a round stainless steel body measuring 13 inches in length, 4.25 inches in width, and 4.25 inches in height. It includes a dual inlet connection with two 2.375-inch inside diameter ports, one with a 2 bolt welded flange and the other with a 2 bolt loose flange featuring a spherical flare. The converter is designed for direct fit installation, eliminating the need for modifications. Its single outlet design supports efficient exhaust flow, maintaining engine performance and emission control.
Common Applications and Problem Solving
- Replacement for damaged or clogged catalytic converters on Dodge Ram 1500 (up to 2003)
- Helps reduce harmful exhaust emissions to meet regulatory requirements
- Restores proper exhaust flow and engine efficiency
- Addresses check engine light issues related to catalytic converter failure
- Supports vehicle passing emissions inspections where applicable
Installation Notes and Tips
This catalytic converter 55543 is designed for direct fitment on Dodge Ram 1500 models through 2003, ensuring a straightforward replacement process. Note that mounting hardware is not included, so existing hardware should be inspected and replaced if necessary. Proper alignment of the dual inlet flanges is critical to avoid exhaust leaks. It is recommended to verify all flange connections and gasket conditions during installation.
Quality Assurance and Warranty
Walker manufactures this catalytic converter with stainless steel for corrosion resistance and durability. While this part is not California Air Resources Board (CARB) certified, it meets regular grade standards for emission control. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region and application.
| Brand | Walker |
| Part Number | 55543 |
| Position | EPA, Front |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Round |
| Inlet Inside Diameter | 2.375 |
| Body Height | 4.25 |
| Body Length | 13 |
| Body Width | 4.25 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Overall Length | 52.5 |
| 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 2 Inside Diameter | 2.375 |
| Inlet 2 Type | 2 bolt loose flange with spherical flare |
| Inlet Connection Type | Dual |
| Inlet Count | 2 |
| Inlet Quantity | 2 |
| Inlet Type | 2 bolt loose flange with spherical flare |
| Inlet Type | 2 bolt welded flange |
| Max Year Covered | 2003 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2003 | Dodge | Ram 1500 | RWD | 5.9L | V8 | Front | Requires 52460 Front Pipe To Complete Installation; 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 Direct Fit Type; EPA |
| 2002 | Dodge | Ram 1500 | 5.9L | V8 | Front | with Federal Emission System; Requires 52460 Front Pipe To Complete Installation; 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 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.