



🚗 Upgrade your ride with precision and durability — don’t get left behind!
The Dorman 674-940 Exhaust Manifold Kit is a precision-engineered, durable replacement designed to perfectly match the fit and function of original manifolds for select Chevrolet and GMC models (2010-2012). This complete kit includes all necessary gaskets and hardware for a hassle-free bolt-on installation, ensuring long-lasting performance and reliability.




| Installation Type | Bolt-On |
| Product Dimensions | 14"L x 12.6"W |
| Automotive Fit Type | Universal Fit |
| Manufacturer | Dorman Products |
| UPC | 019495439714 |
| Global Trade Identification Number | 00019495439714 |
| OEM Part Number | 663435; 12609823 |
| Model | 674-940 |
| Item Weight | 12.3 pounds |
| Item model number | 674-940 |
| Exterior | Machined |
| Manufacturer Part Number | 674-940 |
| Hollander Number | 327-00277 |
| Position | Center |
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