HomeExhaust > Catalytic ConverterWalker 55543 Catalytic Converter - Front
Part #: 55543

Walker 55543 Catalytic Converter - Front

EPA, Front
⚙️ 2 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦EPA, Front
🚗Fitment: Dodge, Ram 1500
🔄Easy Returns — Return within 60 days for a full refund
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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.

BrandWalker
Part Number55543
PositionEPA, Front
Mounting Hardware IncludedNo
Universal Or Specific FitSpecific
Grade TypeRegular
Body ShapeRound
Inlet Inside Diameter2.375
Body Height4.25
Body Length13
Body Width4.25
Body MaterialStainless steel
Outlet Quantity1
California Air Resources Board (CARB) CertifiedNo
Overall Length52.5
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 2 Inside Diameter2.375
Inlet 2 Type2 bolt loose flange with spherical flare
Inlet Connection TypeDual
Inlet Count2
Inlet Quantity2
Inlet Type2 bolt loose flange with spherical flare
Inlet Type2 bolt welded flange
Max Year Covered2003

This part fits 2 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2003DodgeRam 1500RWD5.9LV8FrontRequires 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
2002DodgeRam 15005.9LV8Frontwith 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:

2039223959491885246052499645986

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