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DormanPart #: 674-048

Dorman 674-048 Catalytic Converter with Integrated Exhaust Manifold - Front
⚙️ 21 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$549.90Free 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: Buick, Cadillac, and Chevrolet, Impala, LaCrosse, and XTS
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Dorman 674-048 Catalytic Converter with Integrated Exhaust Manifold - Front
| Brand | Dorman |
| Part Number | 674-048 |
| 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 | 2 |
| Outlet Mounting Hardware Included | Yes |
| Overall Length | 16 |
| 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 inlet gasket; 1 outlet gasket; 2 bolts; 2 w |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Chevrolet | Impala | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No | |
| 2019 | Cadillac | XTS | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No | |
| 2019 | Chevrolet | Impala | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No | |
| 2018 | Cadillac | XTS | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No | |
| 2018 | Chevrolet | Impala | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No | |
| 2017 | Cadillac | XTS | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No | |
| 2017 | Chevrolet | Impala | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No | |
| 2017 | Chevrolet | Impala | 3.6L | V6 | Front | CARB Compliant: No; CARB Compliant: No | |
| 2016 | Buick | LaCrosse | FWD | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No |
| 2016 | Cadillac | XTS | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No | |
| 2016 | Chevrolet | Impala | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No | |
| 2016 | Chevrolet | Impala | 3.6L | V6 | Front | CARB Compliant: No; CARB Compliant: No | |
| 2015 | Buick | LaCrosse | FWD | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No |
| 2015 | Cadillac | XTS | 3.6L | V6 | Front | CARB Compliant: No; CARB Compliant: No | |
| 2015 | Chevrolet | Impala | 3.6L | V6 | Front | CARB Compliant: No; CARB Compliant: No | |
| 2014 | Buick | LaCrosse | FWD | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No |
| 2014 | Cadillac | XTS | 3.6L | V6 | Front | CARB Compliant: No; CARB Compliant: No | |
| 2014 | Chevrolet | Impala | 3.6L | V6 | Front | CARB Compliant: No; CARB Compliant: No | |
| 2013 | Buick | LaCrosse | FWD | 3.6L | V6 | Front | CARB Compliant: No; w/PZEV California Emissions; CARB Compliant: No |
| 2013 | Cadillac | XTS | 3.6L | V6 | Front | CARB Compliant: No; CARB Compliant: No | |
| 2012 | Buick | LaCrosse | FWD | 3.6L | V6 | Front | w/PZEV California Emissions |
* 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:
2089401052001
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.