OE Quality
60-Day Returns

Walker 83187 Catalytic Converter - Front Right
CARB-Compliant Direct-Fit Converter
Walker CalCat 83187 is a direct-fit catalytic converter built for specific front-right applications on select Honda Accord and Acura TL models. It is designed and validated to meet CARB standards, with an OE-style fit that supports a clean replacement on emissions-controlled vehicles.
Walker CalCat line products are focused on direct replacement fitment for OBDII and non-OBD vehicles, with attention to factory-style installation points and emissions compliance requirements.
- Specific fit for front right exhaust placement
- CARB certified for sale and use in California and other CARB-regulated states
- Stainless steel body construction
- Ceramic substrate material
- 4-bolt welded flange inlet and 3-bolt welded flange outlet
- Pre- and post-catalyst oxygen sensor locations
- Round body design with OE-style dimensions
- Direct-fit replacement for select 2003-2008 Honda Accord and Acura TL applications
Fitment Details
Compatible with these confirmed applications: Fits 2008 Acura TL, front right; Fits 2007 Acura TL, front right; Fits 2006 Acura TL, front right; Fits 2005 Acura TL, front right; Fits 2004 Acura TL, front right; Fits 2007 Honda Accord, front right; Fits 2006 Honda Accord, front right; Fits 2005 Honda Accord, front right; Fits 2004 Honda Accord, front right; Fits 2003 Honda Accord, front right.
This part cross-references Pioneer Automotive Industries 751133 for the same application.
What It Helps Address
- Failed catalytic converter emissions testing
- Check engine light concerns related to catalyst efficiency
- Exhaust restriction from a deteriorated converter core
- Replacement needs after corrosion or internal substrate damage
- CARB compliance requirements for regulated states
Installation Notes
Verify the vehicle’s engine family number and emissions configuration before ordering. This converter uses a 4-bolt welded flange inlet and 3-bolt welded flange outlet, and the fitment notes indicate additional parts 31724 and 31377 are needed to complete installation. Confirm oxygen sensor placement and front-right positioning against the original unit before installation.
Quality Assurance
Walker CalCat catalytic converters are designed, tested, and validated for CARB compliance and OE-style fitment. Part number 83187 is built for regulated replacement use on the listed Honda Accord and Acura TL applications.
| Brand | Walker |
|---|---|
| Part Number | 83187 |
| Position | CalCat, Front Right |
| Mounting Hardware Included | No |
| 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 |
| Body Height | 4.000 |
| Body Length | 4.5 |
| Body Length | 4.500 |
| Body Width | 4 |
| Body Width | 4.000 |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Inside Diameter | 1.8 |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Substrate Material | Ceramic |
| Overall Length | 15 |
| Overall Length | 15.000 |
| Air Tube | No |
| Air Tube Count | No |
| Converter Quantity | 1 |
| Inlet 1 Type | 4 bolt welded flange |
| Inlet Type | 4 bolt welded flange |
| Max Year Covered | 2008 |
| Min Year Covered | 2003 |
| Most Popular Make / Model | Honda accord |
| Most Popular Year | 2007 |
| Outlet 1 Inside Diameter | 1.8 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Acura | TL | 3.2L | V6 | Front Right | CARB Executive Order D-182-62; Engine Family Number (EFN) 8HNXV03.5HKR; 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 - 31724 and 31377; Direct Fit Type; CalCat |
| 2007 | Acura | TL | 3.2L | V6 | Front Right | CARB Executive Order D-182-62; Engine Family Number (EFN) 7HNXV03.5NKR; 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 - 31724 and 31377; Direct Fit Type; CalCat |
| 2007 | Honda | Accord | 3.0L | V6 | Front Right | CARB Executive Order D-182-62; Engine Family Number (EFN) 7HNXV03.5NKR; 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 - 31724 and 31377; Direct Fit Type; CalCat |
| 2006 | Acura | TL | 3.2L | V6 | Front Right | CARB Executive Order D-182-62; Engine Family Number (EFN) 6HNXV03.2NKR; 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 - 31724 and 31377; Direct Fit Type; CalCat |
| 2006 | Honda | Accord | 3.0L | V6 | Front Right | CARB Executive Order D-182-62; Engine Family Number (EFN) 6HNXV03.2NKR; 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 - 31724 and 31377; Direct Fit Type; CalCat |
| 2005 | Acura | TL | 3.2L | V6 | Front Right | CARB Executive Order D-182-62; Engine Family Number (EFN) 5HNXV03.24B4; 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 - 31724 and 31377; Direct Fit Type; CalCat |
| 2005 | Honda | Accord | 3.0L | V6 | Front Right | CARB Executive Order D-182-62; Engine Family Number (EFN) 5HNXV03.24B4; 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 - 31724 and 31377; Direct Fit Type; CalCat |
| 2004 | Acura | TL | 3.2L | V6 | Front Right | CARB Executive Order D-182-62; Engine Family Number (EFN) 4HNXV03.2CKR; 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 - 31724 and 31377; Direct Fit Type; CalCat |
| 2004 | Honda | Accord | 3.0L | V6 | Front Right | CARB Executive Order D-182-62; Engine Family Number (EFN) 4HNXV03.0HB4; 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 - 31724 and 31377; Direct Fit Type; CalCat |
| 2003 | Honda | Accord | 3.0L | V6 | Front Right | CARB Executive Order D-182-62; Engine Family Number (EFN) 3HNXV03.0HB4; 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 - 31724 and 31377; Direct Fit Type; CalCat |
* 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.