Dorman 674-5011 exhaust manifold for the 2008-2021 Volvo VNL and other vehicles carries exhaust gas from the cylinders to the exhaust system. This Dorman exhaust manifold kit comes with ten gaskets.
- Part of the Dorman HD Solutions line
- Cast stainless steel body
- Durable materials that resist warping, cracking and leaking
- Ten gaskets supplied in the kit
Quick facts
- Part: Dorman 674-5011 exhaust manifold
- Fits: 2008-2021 Volvo VNL and other vehicles
- Material: Cast stainless steel
- Condition: New
A ticking noise, an exhaust smell or soot streaks at a joint can mean the manifold is leaking. Before you replace the manifold, rule out other exhaust leaks, such as a loose downpipe joint or a worn gasket, because the noise and smell can come from more than one place.
Fits
The trucks it fits include the 2019-2021 Volvo VNR and the 2008 Volvo VHD 6-cylinder 12.1L, the 2008-2017 VHD 6-cylinder 12.8L and the 2011-2017 VHD 6-cylinder 10.8L, along with many other models. The 2008-2021 Volvo VNL takes one.
Specifications
Fit and size
- Quantity per vehicle: 1
- Tube wall thickness: 0.375 in
- Collector port diameter: 1.8 in
- Port shape: rectangle
- Mounting holes: 18
Build and materials
- Material: cast stainless steel
- Grade: standard replacement
- Oxygen sensor port: none
- Condition: new
- Country of origin: China
In the box
One exhaust manifold and ten gaskets. Mounting hardware and a heat shield are not included, so plan on new bolts; the old ones may not be reusable.
Interchange: 562.UM629805
21469805
Frequently Asked Questions
Does the Dorman 674 exhaust manifold fit the 2008-2021 Volvo VNL?
Yes, Dorman 674-5011 is listed for the 2008-2021 Volvo VNL and many other models; look up your own truck in the "Vehicles it fits" section by year and engine.
Does this Dorman manifold come with gaskets and bolts?
Yes to gaskets and no to bolts. The kit has ten gaskets; mounting hardware and a heat shield are not included, so plan on new bolts.
Is 674-5011 the Dorman OE Solutions exhaust manifold or an HD Solutions part?
It is an HD Solutions part. Dorman 674-5011 is a standard-replacement cast stainless steel exhaust manifold with a 0.375 in tube wall.
How can I tell if this exhaust manifold is leaking or cracked?
A ticking noise, an exhaust smell or soot marks at the joints (seen with the engine off and cool) can mean a leak. A shop can test it with the engine running.
Does 21469805 interchange with this exhaust manifold?
Yes. 21469805 is listed as an interchange number for Dorman 674-5011.
