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DormanPart #: 674-031
Dorman 674-031 Catalytic Converter with Integrated Exhaust Manifold - Front
⚙️ 6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$563.65Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda, Civic
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Dorman 674-031 Catalytic Converter with Integrated Exhaust Manifold - Front
| Brand | Dorman |
| Part Number | 674-031 |
| 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 | 4 |
| Inlet Gasket Included | Yes |
| Inlet Mounting Hardware Included | No |
| Outlet Mounting Hole Quantity | 5 |
| Outlet Mounting Hardware Included | Yes |
| Overall Length | 14 |
| Air Tube Count | 0 |
| Sensor Port Count | 2 |
| Converter Body Material | Stainless steel |
| CARB Executive Order Number | Not carb compliant |
| Inlet Port Shape | Oval |
| Package Contents | 1 exhaust manifold; 1 outlet gasket; 6 bolts; 2 springs; 3 washe |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Honda | Civic | 1.3L | L4 | Front | CARB Compliant: No; CARB Compliant: No |
| 2010 | Honda | Civic | 1.3L | L4 | Front | CARB Compliant: No; CARB Compliant: No |
| 2009 | Honda | Civic | 1.3L | L4 | Front | CARB Compliant: No; CARB Compliant: No |
| 2008 | Honda | Civic | 1.3L | L4 | Front | CARB Compliant: No; CARB Compliant: No |
| 2007 | Honda | Civic | 1.3L | L4 | Front | CARB Compliant: No; CARB Compliant: No |
| 2006 | Honda | Civic | 1.3L | L4 | Front | CARB Compliant: No; CARB Compliant: No |
* 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:
1664118190RMXA0049735
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.