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Dorman 673-487 Catalytic Converter - Rear
| Brand | Dorman 673-487 |
|---|---|
| Position | Rear |
| Outlet Outside Diameter | 2.25 |
| Finish | Natural |
| Mounting Hardware Included | Yes |
| Universal Or Specific Fit | Specific |
| Body Shape | Cylinder |
| Inlet Type | Flanged |
| Outlet Type | Flanged |
| Inlet Inside Diameter | 1.8 |
| Body Height | 4 |
| Body Length | 4 |
| Body Width | 4 |
| Heat Shield Attached | No |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Inside Diameter | 2.1 |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Substrate Material | Silicon carbide |
| Inlet Mounting Hole Quantity | 4 |
| Inlet Mounting Hole Quantity | 8 |
| Inlet Gasket Included | Yes |
| Inlet Mounting Hardware Included | No |
| Outlet Mounting Hole Quantity | 4 |
| Outlet Gasket Included | Yes |
| Outlet Mounting Hardware Included | Yes |
| Overall Length | 14 |
| Air Tube Count | 0 |
| Sensor Port Count | 1 |
| New York Certified | Yes |
| CARB Executive Order Number | D-798-9 |
| Fits | Nissan · 10 vehicles |
OE-style replacement. Precision-engineered to match original equipment fit and function.
Stainless steel body. Natural finish construction with a silicon carbide substrate.
CARB certified. Approved for regulated applications with Executive Order D-798-9.
Cross-references 208A18J400 for the same application. See all 1.
Overview
Dorman 673-487 is a specific-fit catalytic converter built to match original equipment fit and function for select Nissan applications. It uses a stainless steel body, a silicon carbide substrate, and flanged inlet and outlet connections for a direct replacement setup.
This part is CARB certified and carries New York certification, making it a fitment-based replacement for emissions-related service on approved applications. The Dorman 673-487 is listed for rear installation on select Nissan Maxima and Nissan Altima models.
Key Features
- Specific-fit catalytic converter for direct replacement service
- Stainless steel converter body with natural finish
- Silicon carbide substrate for emissions control performance
- Flanged inlet and outlet connections for secure attachment
- CARB certified with Executive Order D-798-9
- Includes inlet gasket, outlet gasket, and installation hardware
Detailed Description
The Dorman 673-487 catalytic converter is engineered to match OE fit and function on specific vehicle years, makes, and models. Its one-piece design, round inlet and outlet ports, and flanged mounting points support a straightforward replacement on emissions systems that require a direct-fit converter. The stainless steel construction and standard replacement grade make it a practical service part for Nissan exhaust repairs.
Compatible With select Nissan Maxima rear applications from 2004-2008 and Nissan Altima rear applications for 2002-2006, this converter is built around the exact fitment data provided. The part number 673-487 is also cross-referenced to 208A18J400 for the same application.
What It Helps Address
- Failed catalytic converter emissions testing
- Restricted exhaust flow from a worn converter
- Check engine light concerns tied to catalyst efficiency
- Replacement needs after converter damage or internal breakdown
- CARB-regulated repair requirements on approved applications
Installation Notes
Fits 2004-2008 Nissan Maxima, rear. Fits 2006 Nissan Altima, rear. Fits 2002-2005 Nissan Altima, rear. Verify the CARB Executive Order number D-798-9 before installation and confirm the exhaust flange and sensor-port configuration match the vehicle.
Quality Assurance
Dorman describes this converter as precision-engineered to match original equipment fit and function. It is CARB certified, New York certified, and identified with CARB Executive Order D-798-9 for regulated applications.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2008 | Nissan | Maxima | — | 3.5L | V6 | Rear | CARB Executive Order Number: D-798-9 |
| 2007 | Nissan | Maxima | — | 3.5L | V6 | Rear | CARB Executive Order Number: D-798-9 |
| 2006 | Nissan | Altima | Automatic | 3.5L | V6 | Rear | CARB Executive Order Number: D-798-9 |
| 2006 | Nissan | Maxima | Manual | 3.5L | V6 | Rear | CARB Executive Order Number: D-798-9 |
| 2005 | Nissan | Altima | Manual | 3.5L | V6 | Rear | CARB Compliant: Yes |
| 2005 | Nissan | Maxima | Manual | 3.5L | V6 | Rear | CARB Executive Order Number: D-798-9 |
| 2004 | Nissan | Altima | — | 3.5L | V6 | Rear | CARB Compliant: Yes |
| 2004 | Nissan | Maxima | Automatic | 3.5L | V6 | Rear | CARB Executive Order Number: D-798-9 |
| 2003 | Nissan | Altima | — | 3.5L | V6 | Rear | CARB Compliant: Yes |
| 2002 | Nissan | Altima | — | 3.5L | V6 | Rear | CARB Compliant: Yes |
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