Beginner — under 30 min
Description
It is reverse-engineered from the original product for seamless installation and comes with a complete kit, including new manifold gaskets, studs, and nuts. Dorman OE Solutions offers a 5-year/50,000-mile warranty on this part.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Dorman |
| Part Number | D00I 674-569 |
Videos
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Why Choose Dorman's Exhaust Manifolds?
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Make Dorman your exhaust manifold repair solution
Exhaust Manifold Leak Fixed with Dorman Manifold Clamps on GM 4.8 5.3 6.0 6.2L Engines
Exhaust Manifold Leak Repair
Highlighted part: exhaust manifold to cylinder head repair clamp for select Chevy & GM models
Highlighted Part: Exhaust Manifold to Cylinder Head Repair Clamp for Chevy, GMC & Hummer Models
GMC and Chevrolet exhaust manifold leak fix Dorman clamp/bracket
Dorman Manifold Clamp - Before and After - Exhaust Leak Fix LQ4 LM3 LS1 LR4 LQ9 Chevy/Gmc/Pontiac
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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