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OE Quality
60-Day Returns
DormanPart #: 674-621
Dorman 674-621 Catalytic Converter with Integrated Exhaust Manifold - Rear
7 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$690.65Free 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: Mitsubishi, Outlander
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Catalytic Converter with Integrated Exhaust Manifold options
Dorman 674-621 Catalytic Converter with Integrated Exhaust Manifold - Rear
| Brand | Dorman |
|---|---|
| Part Number | 674-621 |
| Color | Natural |
| Grade Type | Regular |
| California Air Resources Board (CARB) Certified | No |
| Inlet Gasket Included | Yes |
| Outlet Mounting Hole Quantity | 3 |
| Outlet Mounting Hardware Included | Yes |
| Converter Body Material | Stainless steel |
| Inlet Port Shape | Round |
| Package Contents | Exhaust manifold; gaskets and hardware |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | Mitsubishi | Outlander | 3.0L | V6 | Rear | CARB Compliant: No |
| 2012 | Mitsubishi | Outlander | 3.0L | V6 | Rear | CARB Compliant: No |
| 2011 | Mitsubishi | Outlander | 3.0L | V6 | Rear | CARB Compliant: No |
| 2010 | Mitsubishi | Outlander | 3.0L | V6 | Rear | CARB Compliant: No; CARB Compliant: No |
| 2009 | Mitsubishi | Outlander | 3.0L | V6 | Rear | CARB Compliant: No; CARB Compliant: No |
| 2008 | Mitsubishi | Outlander | 3.0L | V6 | Rear | CARB Compliant: No; CARB Compliant: No |
| 2007 | Mitsubishi | Outlander | 3.0L | V6 | Rear | 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:
1015871555A3281665151772
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.