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Dorman 674-074 Catalytic Converter with Integrated Exhaust Manifold - Rear
| Brand | Dorman 674-074 |
|---|---|
| Position | Rear |
| Color | Natural |
| Grade Type | Regular |
| Converter Body Length | 4 |
| Outlet Type | Flanged |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Inlet Mounting Hole Quantity | 8 |
| Inlet Gasket Included | Yes |
| Inlet Mounting Hardware Included | No |
| Outlet Mounting Hole Quantity | 2 |
| Outlet Mounting Hardware Included | Yes |
| Overall Length | 22 |
| Air Tube Count | 0 |
| Sensor Port Count | 2 |
| Converter Body Material | Stainless steel |
| CARB Executive Order Number | Not carb compliant |
| Inlet Port Shape | Round |
| Package Contents | 1 exhaust manifold; 3 inlet gaskets; 1 outlet gasket; 2 studs; 2 |
| Fits | BMW · 4 vehicles |
OE-style replacement. Precision-engineered to match original equipment for a reliable fit.
Stainless steel construction. Helps resist corrosion in demanding exhaust conditions.
Integrated manifold design. Combines the converter and exhaust manifold in one unit.
Cross-references Gates 51806 and 18403415423 for the same application. See all 2.
Dorman 674-074 Catalytic Converter Manifold
Dorman 674-074 is a catalytic converter with integrated exhaust manifold for specific BMW X3 applications. It is precision-engineered to match the original equipment layout, helping restore proper exhaust flow and emissions system function on the listed rear-position vehicles.
- Direct replacement catalytic converter with integrated exhaust manifold
- Stainless steel converter body for durability in exhaust service
- Flanged outlet design
- Includes inlet gasket and outlet gasket for installation prep
- Features 2 sensor ports
- Natural finish, regular grade type
Fitment Details
Compatible with 2007-2010 BMW X3, rear. This application-specific design supports OE-style fitment for the rear exhaust position on the BMW X3 platform. Part number 674-074 is also referenced for this same application when comparing exhaust manifold converter replacements.
What It Helps Address
- Failed catalytic converter efficiency codes
- Exhaust leaks at the manifold-to-pipe connection
- Cracked or deteriorated integrated manifold assemblies
- Check engine light concerns related to exhaust aftertreatment
- Restricted exhaust flow from a worn converter assembly
Installation Notes
Verify the rear-position fitment and sensor-port layout before installation. This unit uses an 8-hole inlet mounting pattern and a 2-hole outlet mounting pattern, with an included outlet gasket and inlet gasket for sealing. Confirm all mating surfaces are clean and inspect related exhaust hardware and sensors during replacement.
Quality Assurance
Dorman designs this manifold converter to match original equipment dimensions and configuration on the specified BMW X3 years. Part number 674-074 is built as a direct-fit replacement for the listed application and is not CARB certified.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | BMW | X3 | 3.0L | L6 | Rear | CARB Compliant: No; CARB Compliant: No |
| 2009 | BMW | X3 | 3.0L | L6 | Rear | CARB Compliant: No; CARB Compliant: No |
| 2008 | BMW | X3 | 3.0L | L6 | Rear | CARB Compliant: No; CARB Compliant: No |
| 2007 | BMW | X3 | 3.0L | L6 | Rear | CARB Compliant: No; CARB Compliant: No |
| No rows match your filter. | ||||||