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Walker 83452 Catalytic Converter - Left
Walker CalCat 83452 Catalytic Converter
Walker CalCat 83452 is a direct-fit catalytic converter for select 2004-2005 Dodge Ram 1500 applications. It is CARB certified and built for a precise OE-style fit, with a stainless steel body and ceramic substrate for regulated emissions replacement service.
Key Features
- Direct-fit catalytic converter for specific vehicle applications
- CARB certified for California and other CARB-compliant states
- Stainless steel body with ceramic substrate
- 2-bolt loose flange inlet with spherical flare
- Pipe connection outlet, 2.25 in. outside diameter
- Pre- and post-catalyst oxygen sensor location
- Single converter design with round body shape
- Walker CalCat 83452 for emissions repair on select Dodge Ram 1500 trucks
Product Details
The Walker CalCat line is built for direct replacement applications where emissions compliance and OE-style fit are required. Part number 83452 is designed for the left side on 2004-2005 Dodge Ram 1500 models, including CARB Executive Order D-182-69 applications. This part number 83452 uses a round stainless steel body, ceramic substrate, and a 2-bolt loose flange inlet with spherical flare for a specific-fit installation.
Compatible With 2004 Dodge Ram 1500, left, and 2005 Dodge Ram 1500, left. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Replacement Reasons
- Failed emissions test or catalyst efficiency fault
- Check engine light related to catalyst performance
- Damaged or corroded original converter assembly
- Need for a CARB-compliant replacement on a 2004-2005 Dodge Ram 1500
- Exhaust restriction or rattling from a worn converter core
Installation Notes
Verify engine family number and CARB application details before installation. If the converter is part of a welded assembly, replace all required related components during service. Confirm inlet and outlet dimensions, oxygen sensor placement, and left-side fitment before final installation. Mounting hardware is not included.
Quality Assurance
Walker CalCat converters are designed, tested, and validated to meet CARB standards for regulated replacement use. Part number 83452 is a direct-fit emissions component for specific Dodge Ram 1500 applications and is intended to deliver OE-style fitment with CARB compliance.
| Brand | Walker |
| Part Number | 83452 |
| Position | CalCat, Left |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Round |
| Inlet Type | 2 bolt loose flange w/spherical flare |
| Outlet Type | Pipe connection |
| 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 | 44.875 |
| Air Tube | No |
| Air Tube Count | No |
| Converter Quantity | 1 |
| Inlet 1 Type | 2 bolt loose flange with spherical flare |
| Inlet Type | 2 bolt loose flange with spherical flare |
| Max Year Covered | 2005 |
| Min Year Covered | 2004 |
| Most Popular Make / Model | Dodge ram 1500 |
| Most Popular Year | 2004 |
| Outlet 1 Outside Diameter | 2.25 |
| Outlet 1 Outside Diameter | 2.250 |
| Outlet 1 Type | Pipe connection |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Dodge | Ram 1500 | 5.7L | V8 | Left | CARB Executive Order D-182-69; Engine Family Number (EFN) 5CRXT05.75J1; 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.; If welded assembly, replace all required parts; Direct Fit Type; CalCat |
| 2004 | Dodge | Ram 1500 | 5.7L | V8 | Left | CARB Executive Order D-182-69; Engine Family Number (EFN) 4CRXT05.75J0; 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.; If welded assembly, replace all required parts; Direct Fit Type; CalCat |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.