OE Quality
60-Day Returns

Walker 83177 Catalytic Converter - Front
Overview of Walker CalCat Catalytic Converter 83177
The Walker CalCat Catalytic Converter 83177 is designed specifically for select Acura and Honda models, including the 2008-2009 Honda Accord and Acura TSX. This catalytic converter meets California Air Resources Board (CARB) certification standards, ensuring compliance with emissions regulations.
- Specific fit for 2008-2009 Honda Accord and Acura TSX
- CARB certified for California emissions compliance
- Stainless steel body with ceramic substrate for durability and efficiency
- 6 bolt welded flange inlet and 3 bolt welded flange outlet
- Round body shape with dimensions: 4.75" length, 4.125" width and height
- Pre and post catalyst oxygen sensor locations
- Economy grade catalytic converter
Walker CalCat Product Line Details
The CalCat line by Walker focuses on providing catalytic converters that meet strict emissions standards while offering reliable performance for specific vehicle applications. The 83177 model is part of this line, engineered to deliver consistent exhaust flow and effective pollutant reduction for compatible Acura and Honda vehicles.
Product Features and Specifications
This catalytic converter features a stainless steel body that resists corrosion and withstands high temperatures. The ceramic substrate inside facilitates efficient conversion of harmful exhaust gases. The inlet uses a 6 bolt welded flange, while the outlet has a 3 bolt welded flange, ensuring a secure and precise fit. The round body shape measures approximately 4.75 inches in length and 4.125 inches in both width and height, with an overall length of 16.5 inches. Oxygen sensors are positioned both before and after the catalyst to monitor emissions effectively.
Applications and Common Issues Addressed
- Replacement for failing or clogged catalytic converters on 2008-2009 Honda Accord and Acura TSX
- Helps resolve check engine light issues related to emissions
- Restores proper exhaust flow and reduces harmful emissions
- Ensures compliance with California emissions regulations
- Improves vehicle performance affected by catalytic converter degradation
Installation Notes and Tips
Installation requires compatibility with the specific 6 bolt welded flange inlet and 3 bolt welded flange outlet. Ensure oxygen sensors are properly reinstalled in their pre and post catalyst locations. Due to the specific fitment for 2008-2009 Honda Accord and Acura TSX models, verify vehicle year and model before installation. Professional installation is recommended to maintain emissions compliance and proper exhaust system function.
Quality Assurance and Warranty
The Walker CalCat 83177 catalytic converter is CARB certified, meeting stringent emissions standards. Constructed with durable stainless steel and a ceramic substrate, it is designed for long-term use. Warranty details should be confirmed with the product provider, as coverage may vary.
| Brand | Walker |
| Part Number | 83177 |
| Position | CalCat, Front |
| Mounting Hardware Included | Yes |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Round |
| Inlet Type | 4 bolt welded flange |
| Outlet Type | 3 bolt welded flange |
| Body Height | 4.125 |
| Body Length | 4.75 |
| Body Length | 4.750 |
| Body Width | 4.125 |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Substrate Material | Ceramic |
| Overall Length | 16.5 |
| Overall Length | 16.500 |
| Air Tube | No |
| Air Tube Count | No |
| Converter Quantity | 1 |
| Inlet 1 Type | 6 bolt welded flange |
| Inlet Type | 6 bolt welded flange |
| Max Year Covered | 2009 |
| Min Year Covered | 2008 |
| Most Popular Make / Model | Honda accord |
| Most Popular Year | 2008 |
| Outlet 1 Type | 3 bolt welded flange |
| Outlet Type | 3 bolt welded flange |
| Oxygen Sensor Location | Pre and post catalyst |
| Product Grade | Economy |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Acura | TSX | 2.4L | L4 | Front | CARB Executive Order D-182-62; Engine Family Number (EFN) 9HNXV02.44B9; 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.; Additional Part(s) Needed To Complete Installation: 31556; Includes Front Gasket; Direct Fit Type; CalCat |
| 2009 | Honda | Accord | 2.4L | L4 | Front | CARB Executive Order D-182-62; Engine Family Number (EFN) 9HNXV02.4YB3; 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.; Additional Part(s) Needed To Complete Installation: 31556; Includes Front Gasket; Direct Fit Type; CalCat |
| 2008 | Honda | Accord | 2.4L | L4 | Front | CARB Executive Order D-182-62; Engine Family Number (EFN) 8HNXV02.4TKR; 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.; Additional Part(s) Needed To Complete Installation: 31556; Includes Front Gasket; Direct Fit Type; CalCat |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.