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Walker 50363 Catalytic Converter
Walker EPA Direct-Fit Catalytic Converter
Walker EPA Part Number 50363 is a direct-fit catalytic converter built for specific Ram and Dodge Ram 1500 applications from 2009 through 2019. It is designed for OBDII vehicles and uses a stainless steel body with a round converter shape for a factory-style exhaust replacement.
The Walker EPA Ultra Direct-Fit line focuses on emission-system compliance and application-specific fitment for import and domestic vehicles. For Ram 1500 catalytic converter replacement, this part number 50363 is built around the listed inlet, outlet, and oxygen sensor locations to match the original exhaust layout.
- Direct-fit design for specific vehicle applications
- Stainless steel body construction
- Front converter position
- Round body shape with 4-inch body height and width
- Overall length: 35 inches
- Inlet connection: 2-bolt loose flange with spherical flare
- Outlet connection: pipe connection
- Oxygen sensor locations: pre-catalyst and midbed
- EPA-compliant design for listed federal-emissions applications
Fitment Details
- Fits 2019 Ram 1500 Classic, N/A. EPA.
- Fits 2017-2018 Ram 1500, N/A. EPA.
- Fits 2011-2016 Ram 1500, N/A. 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 aftermarket converter regulations in your state for details; exhaust gasket is recommended; Ultra Direct Fit Type; EPA.
- Fits 2009-2010 Dodge Ram 1500, N/A. 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 aftermarket converter regulations in your state for details; exhaust gasket is recommended; Ultra Direct Fit Type; EPA.
What This Part Helps Address
- Failed catalytic converter efficiency codes
- Exhaust restriction from a worn or damaged converter
- Emission-test failures on listed Ram 1500 and Dodge Ram 1500 applications
- Rattling or deteriorated converter substrate
- Leaks at the converter-to-pipe connection on the original exhaust setup
Installation Notes
Verify the vehicle’s emission configuration and model year before installation. This direct-fit converter uses specific flange and pipe connections, and an exhaust gasket is recommended for the listed 2011-2016 Ram 1500 and 2009-2010 Dodge Ram 1500 applications. Confirm oxygen sensor placement matches the vehicle’s original exhaust routing before installation.
Quality Assurance
Walker EPA catalytic converters are built to meet EPA standards for the listed applications and are intended for OBDII vehicles. Part Number 50363 cross-references 49664 for the same application. Package contents include an installer card and warranty card.
| Brand | Walker |
| Part Number | 50363 |
| Position | EPA |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Round |
| Inlet Inside Diameter | 3 |
| Body Height | 4 |
| Body Length | 9 |
| Body Width | 4 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Overall Length | 35 |
| Air Tube | No |
| Air Tube Count | No |
| Body Height | 4.000 |
| Body Length | 9.000 |
| Body Material | Stainless steel |
| Body Shape | 4" round |
| Body Width | 4.000 |
| Converter Position | Front |
| Converter Quantity | 2 |
| Fitment | Direct fit |
| Inlet 1 Inside Diameter | 3 |
| Inlet 1 Type | 2 bolt loose flange with spherical flare |
| Inlet 2 Inside Diameter | 3 |
| Inlet 2 Type | 2 bolt loose flange with spherical flare |
| Inlet Connection Type | 2 bolt loose flange with spherical flare |
| Inlet Count | 2 |
| Inlet Diameter 1 | 2.250 |
| Inlet Diameter 2 | 2.250 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Ram | 1500 Classic | 5.7L | V8 | N/A | EPA |
| 2018 | Ram | 1500 | 5.7L | V8 | N/A | EPA |
| 2017 | Ram | 1500 | 5.7L | V8 | N/A | EPA |
| 2016 | Ram | 1500 | 5.7L | V8 | N/A | 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 |
| 2015 | Ram | 1500 | 5.7L | V8 | N/A | 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 |
| 2014 | Ram | 1500 | 5.7L | V8 | N/A | 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 |
| 2013 | Ram | 1500 | 5.7L | V8 | N/A | 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 |
| 2012 | Ram | 1500 | 5.7L | V8 | N/A | 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 |
| 2011 | Ram | 1500 | 5.7L | V8 | N/A | 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 |
| 2010 | Dodge | Ram 1500 | 5.7L | V8 | N/A | 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 |
| 2009 | Dodge | Ram 1500 | 5.7L | V8 | N/A | 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 |
* 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.