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WalkerPart #: 83478
Walker 83478 Catalytic Converter - Right
⚙️ 10 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦CalCat, Right
🚗Fitment: Dodge, Ram 1500
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Not what you need? Click here for all Catalytic Converter options
Walker 83478 Catalytic Converter - Right
| Brand | Walker |
| Part Number | 83478 |
| Position | CalCat, Right |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Round |
| Inlet Type | 2 bolt loose flange with spherical flare and pipe connection |
| Outlet Type | Pipe connection |
| Inlet Inside Diameter | 2.25 |
| Body Height | 4.02 |
| Body Height | 4.020 |
| Body Length | 8 |
| Body Length | 8.000 |
| Body Width | 4.02 |
| Body Width | 4.020 |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Substrate Material | Ceramic |
| Overall Length | 55.375 |
| Air Tube | No |
| Air Tube Count | No |
| Converter Quantity | 1 |
| Inlet 1 Inside Diameter | 2.25 |
| Inlet 1 Inside Diameter | 2.250 |
| Inlet 1 Type | Pipe connection |
| Inlet 2 Type | 2 bolt loose flange with spherical flare |
| Inlet Type | 2 bolt loose flange with spherical flare |
| Inlet Type | Pipe connection |
| Max Year Covered | 2006 |
| Min Year Covered | 2004 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Dodge | Ram 1500 | 3.7L | V6 | Right | CARB Executive Order D-182-69; Engine Family Number (EFN) 6CRXT03.75S0; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Direct Fit Type; CalCat |
| 2005 | Dodge | Ram 1500 | 3.7L | V6 | Right | CARB Executive Order D-182-69; Engine Family Number (EFN) 5CRXT03.76U0; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Direct Fit Type; CalCat |
| 2005 | Dodge | Ram 1500 | 4.7L | V8 | Right | CARB Executive Order D-182-69; Engine Family Number (EFN) 5CRXT04.75S0; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Direct Fit Type; CalCat |
| 2005 | Dodge | Ram 1500 | 4.7L | V8 | Right | CARB Executive Order D-182-69; Engine Family Number (EFN) 5CRXT04.76U0; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Direct Fit Type; CalCat |
| 2005 | Dodge | Ram 1500 | 3.7L | V6 | Right | CARB Executive Order D-182-69; Engine Family Number (EFN) 5CRXT03.75S0; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Direct Fit Type; CalCat |
| 2005 | Dodge | Ram 1500 | 4.7L | V8 | Right | Engine Family Number (EFN) 5CRXT04.75S1; Not legal for sale or use in California. Legal for sale in other CARB-compliant states for use on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Direct Fit Type; CARB Executive Order D-182-69; CalCat Colorado |
| 2005 | Dodge | Ram 1500 | 3.7L | V6 | Right | Engine Family Number (EFN) 5CRXT03.75S1; Not legal for sale or use in California. Legal for sale in other CARB-compliant states for use on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Direct Fit Type; CARB Executive Order D-182-69; CalCat Colorado |
| 2004 | Dodge | Ram 1500 | 3.7L | V6 | Right | CARB Executive Order D-182-69; Engine Family Number (EFN) 4CRXT03.75J0; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Direct Fit Type; CalCat |
| 2004 | Dodge | Ram 1500 | 4.7L | V8 | Right | CARB Executive Order D-182-69; Engine Family Number (EFN) 4CRXT04.75J0; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Direct Fit Type; CalCat |
| 2004 | Dodge | Ram 1500 | 4.7L | V8 | Right | Engine Family Number (EFN) 4CRXT04.75J1; Not legal for sale or use in California. Legal for sale in other CARB-compliant states for use on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Direct Fit Type; CARB Executive Order D-182-69; CalCat Colorado |
* 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:
4551024
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.