Dorman 679-344 Left Pre-Converter - Not CARB Compliant 17-22 Chevy Colorado
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$595.96
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
This catalytic converter with integrated exhaust manifold - a.k.a. manifold converter - is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
- Direct replacement - this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
- Convenient kit - includes gaskets and downpipe hardware to simplify installation
- Durable construction -manufactured within strict tolerances for reliable longevity
- Trustworthy value - backed by team of engineers and quality control experts in the United States
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2019-2022 | Chevrolet | Colorado | Left | |
| 2018 | Chevrolet | Colorado | Left | 3.6L V6 |
| 2017 | Chevrolet | Colorado | Left | |
| 2019-2022 | GMC | Canyon | Left | |
| 2018 | GMC | Canyon | Left | 3.6L V6 |
| 2017 | GMC | Canyon | Left |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 679-344 |
| UPC | 194883606531 |
| Placement | Left |
| Material | Stainless Steel |
| Color | Metallic |
| Type | One-Piece |
| Finish | Uncoated |
| Inlet Type | Flanged |
| Outlet Type | Flanged |
| Inlet Inside Diameter | 3 in. |
| Body Height | 28.5 in. |
| Body Width | 4 in. |
| Heat Shield Attached | Yes |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 2.5 in. |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Substrate Material | Ceramic |
| Outlet Outside Diameter | 5 in. |
| Clamps Included | No |
| Tube Wall Thickness | 0.845 in. |
| Universal Or Specific Fit | Specific |
| Grade Type | Standard Replacement |
| Converter Body Length | 7 in. |
| Body Shape | Straight |
| Package Quantity | 1 |
| Inlet Mounting Hole Quantity | 4 |
| Gasket Or Seal Included | Yes |
| Inlet Mounting Hardware Included | No |
| Outlet Mounting Hole Quantity | 3 |
| Overall Length | 27.5 in. |
| Sensor Port Count | 2 |
| Converter Body Material | Stainless Steel |
| Outlet Gasket Included | No |
| Outlet Port Shape | Round |
| Inlet Port Shape | Irregular |
| Heat Shield Material | Aluminum |
| Oxygen Sensor Location | Pre and Post Converter |
| Air Tube Adaptable | No |
| California Air Resources Board Approved | No |
| Mounting Hardware Included | Yes |
| Package Contents | 1 Integrated Exhaust; 1 Inlet Gasket; 1 Outlet Gasket; 3 Bolts; 3 Nuts |
| Country of Origin | United States |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 85NNN356 | General Motors (OE) |
|---|---|
| 23451576 | General Motors (OE) |
| 84486593 | General Motors (OE) |
| 8436936N | General Motors (OE) |
| 84155912 | General Motors (OE) |
| 280676 | Interchange |
| 50624 | Interchange |