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Walker 54655 Catalytic Converter - Right
| Brand | Walker 54655 |
|---|---|
| Position | Right |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Inlet Inside Diameter | 2.5 |
| Inlet Inside Diameter | 3 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Overall Length | 46.125 |
| Air Tube | No |
| Air Tube Count | No |
| Body Material | Stainless steel |
| Body Shape | Front round, rear oval |
| Body Shape | Round and standard oval |
| Converter Quantity | 2 |
| Fitment | Direct fit |
| Inlet 1 Inside Diameter | 2.5 |
| Inlet 1 Type | Pipe connection |
| Inlet 2 Inside Diameter | 3 |
| Inlet 2 Type | 2 bolt loose flange with spherical flare |
| Inlet Connection Type | 2 bolt spherical flare loose flange |
| Inlet Count | 2 |
| Inlet Quantity | 2 |
| Inlet Type | 2 bolt loose flange with spherical flare |
| Inlet Type | Pipe connection |
| Max Year Covered | 2004 |
| Min Year Covered | 2003 |
| Most Popular Make / Model | Ford f-150 |
| Most Popular Year | 2004 |
| Outlet 1 Outside Diameter | 2.5 |
| Product line | EPA |
| Fits | Ford · 3 vehicles |
Direct-fit replacement. Specific fit helps simplify installation with no modifications needed.
Stainless steel body. Corrosion-resistant construction for dependable exhaust service.
Ceramic substrate. Engineered for efficient catalytic performance and emissions control.
Cross-references AP Exhaust 645895, BRExhaust 079-4273 and Gates 51839 for the same application. See all 4.
Walker EPA 54655 Catalytic Converter
Walker EPA 54655 is a direct-fit catalytic converter built for 2003-2004 Ford F-150 applications on the right side. It uses a stainless steel body, ceramic substrate, and OE-style pipe and flange connections to support a precise exhaust repair on the Ford F-150 Heritage and Ford F-150.
Key Features
- Direct-fit design for specific vehicle applications
- Fits 2004 Ford F-150 Heritage, right
- Fits 2003 Ford F-150, right
- Stainless steel body construction
- Ceramic substrate material
- Two inlet connections: 2.5 in. pipe connection and 3 in. 2-bolt loose flange with spherical flare
- Single 2.5 in. outlet pipe connection
- Overall length: 46.125 in.
- Oxygen sensor locations: pre-catalyst and midbed
- EPA-compliant design for federal-emissions applications
Product Details
Walker EPA 54655 is part of the Walker Ultra Direct-Fit Catalytic Converter line, which focuses on OE-style fitment for import and domestic OBDII vehicles. This unit is built for specific right-side applications on the 2003 Ford F-150 and 2004 Ford F-150 Heritage, with the inlet and outlet layout matched to the original exhaust configuration. Part number 54655 is also referenced in cross applications such as AP Exhaust 645895 and BRExhaust 079-4273.
Common Repair Uses
- Check engine light related to catalyst efficiency
- Failed emissions inspection on federal-emissions vehicles
- Exhaust restriction from a worn or damaged converter
- Rattling or deteriorated internal catalyst substrate
- Exhaust leak at the converter connection points
Installation Notes
Confirm right-side placement, inlet diameters, and oxygen sensor locations before installation. An exhaust gasket is recommended for proper sealing. This converter is not CARB certified and is not legal for sale or use in California and other CARB-compliant states; review local aftermarket converter regulations before installation. Part number 54655 is a specific-fit replacement for the listed Ford truck applications.
Quality Assurance
Walker EPA catalytic converters are engineered to meet EPA standards for approved federal-emissions applications while maintaining direct-fit installation geometry and application-specific exhaust routing.
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2004 | Ford | F-150 Heritage | XL | 4WD | 4.6L | V8 | Right | 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 |
| 2004 | Ford | F-150 Heritage | XLT | 4WD | 4.6L | V8 | Right | 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 |
| 2003 | Ford | F-150 | — | 4WD | 4.6L | V8 | Right | 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 |
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