OE Quality
60-Day Returns

Walker 83891 Catalytic Converter - Rear
Overview of Walker CalCat Catalytic Converter 83891
The Walker CalCat catalytic converter 83891 is designed specifically for the 2005-2006 Kia Sorento. Engineered with a stainless steel body and ceramic substrate, this catalytic converter meets California Air Resources Board (CARB) certification standards, ensuring compliance with emissions regulations.
- Specific fit for 2005-2006 Kia Sorento
- Stainless steel round body measuring 7.5" length, 4" width, and 4" height
- Single inlet and outlet with 2.25" outside diameter and 2-bolt welded flange connections
- CARB certified for California emissions compliance
- Ceramic substrate for effective catalytic conversion
- Overall length of 15.5"
- Economy grade product designed for reliable emissions control
Detailed Product Description
The Walker CalCat 83891 catalytic converter is built with a round stainless steel body that measures 7.5 inches in length, 4 inches in width, and 4 inches in height. It features a single inlet and outlet, both with a 2.25-inch outside diameter and 2-bolt welded flange type connections, providing a secure and specific fit for the Kia Sorento models from 2005 to 2006. The ceramic substrate inside the converter facilitates the chemical reactions necessary to reduce harmful exhaust emissions. This part is CARB certified, making it suitable for use in states with strict emissions standards.
The CalCat product line from Walker focuses on providing catalytic converters that meet regulatory requirements without compromising on durability. This line is designed to offer a balance between cost and compliance, making it a practical choice for vehicle owners needing a replacement catalytic converter that adheres to emissions laws.
Common Applications and Issues Addressed
- Replacement for failed or clogged catalytic converters on 2005-2006 Kia Sorento
- Restores proper exhaust emissions control to meet CARB standards
- Helps resolve check engine light issues related to catalytic converter efficiency
- Improves exhaust flow and reduces harmful pollutants
- Addresses vehicle emissions inspection failures
Installation Notes and Tips
This catalytic converter is designed for a specific fit on the Kia Sorento 2005-2006 models and uses 2-bolt welded flange connections on both inlet and outlet. Professional installation is recommended to ensure proper sealing and alignment. Note that mounting hardware is not included, so existing hardware or new bolts may be required. No oxygen sensor port is included on this converter, so the original sensor locations must be maintained.
Quality Assurance and Warranty
The Walker CalCat 83891 catalytic converter is manufactured to meet CARB certification standards, ensuring compliance with emissions regulations. It is constructed with durable stainless steel and a ceramic substrate for long-lasting performance. This economy grade part is backed by Walker's quality control processes. Please refer to Walker's official warranty policy for specific coverage details.
| Brand | Walker |
| Part Number | 83891 |
| Position | CalCat, Rear |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Body Shape | Round |
| Body Height | 4.000 |
| Body Length | 7.500 |
| Body Width | 4.000 |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Substrate Material | Ceramic |
| Overall Length | 15.500 |
| Air Tube | No |
| Converter Quantity | 1 |
| Inlet 1 Outside Diameter | 2.250 |
| Inlet 1 Type | 2 bolt welded flange |
| Max Year Covered | 2006 |
| Min Year Covered | 2005 |
| Most Popular Make / Model | Kia sorento |
| Most Popular Year | 2006 |
| Outlet 1 Outside Diameter | 2.250 |
| Outlet 1 Type | 2 bolt welded flange |
| Oxygen Sensor Location | No port location |
| Product Grade | Economy |
| Total Part VIO | 78634 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Kia | Sorento | 3.5L | V6 | Rear | CARB Executive Order D-182-71; Engine Family Number (EFN) 6KMXT03.5CM5; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31337 and 31512; Direct Fit Type; CalCat |
| 2005 | Kia | Sorento | 3.5L | V6 | Rear | CARB Executive Order D-182-71; Engine Family Number (EFN) 5KMXT03.5CM5; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31337 and 31512; Direct Fit Type; CalCat |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.