Dorman 674-161 right exhaust manifold for the 1991-1997 Chevrolet P30 V8 7.4L and other vehicles collects exhaust gas from the cylinders and carries it to the downpipe. This Dorman exhaust manifold is a cast iron kit built to fit the way the original manifold does on the vehicles it covers.
- Dorman OE Solutions exhaust manifold, precision-engineered and durably manufactured
- Cast iron body that resists warping, cracking and leaking
- Required gaskets and downpipe hardware included for a complete repair
Quick facts
- Part: Dorman 674-161 right exhaust manifold
- Fits: 1991-1997 Chevrolet P30 V8 7.4L and other vehicles
- Position: Right
- Material: Cast Iron
- Condition: New
A ticking or puffing noise near the engine, an exhaust smell, or cracks and soot trails at the joints can mean a manifold is leaking. Before replacing it, look over the manifold with the engine off and cool for cracks, broken studs and soot at the joints, since a loose downpipe joint can leak too.
Fits
The vehicles it fits include the 1991-1997 Chevrolet P30 V8 7.4L, the 1991-1997 GMC P3500 V8 7.4L and the 1992-1996 Chevrolet G30 V8 7.4L.
Specifications
Fit and size
- Position: Right
- Quantity: 1 for the right side
- Port shape: Square
Build and materials
- Material: Cast Iron
- Grade: Standard replacement
- Condition: New
- Country of origin: China
In the box
One right exhaust manifold, one manifold gasket and flange, six studs, three nuts, three springs, three washers and a heat shield. This listing is one right-side manifold; the right side takes one, and the left side is ordered separately.
Interchange: 101071 · 101327 · 651151 · 662656 · 12551443
This part cross-references / interchanges with the following part numbers:
101071, 101327, 651151, 662656, 12551443
Frequently Asked Questions
Is this the right Chevrolet P30 exhaust manifold for the 1991-1997 model with the V8 7.4L?
Yes. Dorman 674-161 is a right-side manifold for the 1991-1997 Chevrolet P30 V8 7.4L. If your vehicle is not named here, look it up in the "Vehicles it fits" section of this page.
Does the Dorman 674 exhaust manifold come with gaskets and hardware?
Yes. Dorman 674-161 includes one manifold gasket and flange, six studs, three nuts, three springs, three washers and a heat shield.
What is this Dorman manifold made of, and what shape are its ports?
This right exhaust manifold is cast iron with square ports. It is a standard replacement grade part.
What noises can a leaking right exhaust manifold make?
A ticking or puffing noise from the engine area, often more noticeable on a cold start, together with an exhaust smell, can mean a leak at the manifold joint. A shop can test it with the engine running.
Does Dorman 674-161 cross to 651151?
Yes. 651151 is an interchange number for this right exhaust manifold. The page also lists 101071, 101327, 662656 and 12551443.
