Dorman 674-167 left exhaust manifold catalytic converter for the 2014-2023 Lexus GX460 V8 4.6L combines the exhaust manifold and the catalytic converter in one piece. This Dorman exhaust manifold with integrated catalytic converter collects exhaust from the cylinders and treats it in the converter body.
- Dorman OE Solutions product line
- One-piece stainless steel body with an uncoated finish
- Ceramic substrate inside the converter body
- Flanged inlet and flanged outlet, with one 0.6 in sensor port
- Durable construction, manufactured within strict tolerances
Quick facts
- Part: Dorman 674-167 exhaust manifold catalytic converter
- Also called: exhaust manifold with integrated catalytic converter
- Fits: 2014-2023 Lexus GX460 V8 4.6L
- Position: Left
- Material: Stainless steel
- Condition: New
An exhaust ticking noise, a rattle from the converter body or a check engine light can show up when an exhaust manifold catalytic converter wears out. These signs alone do not prove this part is the problem, since a failing oxygen sensor is another common cause.
Fits
This left-side unit is a direct replacement for the 2014-2023 Lexus GX460 V8 4.6L. It is not CARB compliant.
Specifications
Fit and size
- Position: Left
- Quantity per vehicle: 1 for the left side
- Overall length: 30 in
- Converter body length: 11.5 in
- Body width: 3.3 in
- Inlet inside diameter: 1.5 in
- Outlet inside diameter: 1.7 in
- Outlet outside diameter: 2 in
- Inlets: 4, flanged, 12 mounting holes
- Outlet: 1, flanged, 2 mounting holes
Build and materials
- Type: One-piece
- Material: Stainless steel
- Substrate: Ceramic
- Finish: Uncoated
- CARB certified: No; New York certified: No
- Condition: New
- Country of origin: United States
In the box
One left exhaust manifold catalytic converter, one inlet gasket, one outlet gasket, two O2 gaskets, four studs, four nuts, four washers and three bolts. This listing holds one unit, and the left side of the 2014-2023 Lexus GX460 V8 4.6L takes one; the right side is a separate part. Inlet mounting hardware, clamps and hangers are not included, so plan on new inlet fasteners rather than reusing the old ones.
Installation notes
- The kit supplies gaskets and downpipe hardware to simplify installation.
Interchange: 22-031
1715038130
Frequently Asked Questions
Is the Dorman 674-167 the left-side manifold converter for the 2014-2023 Lexus GX460 V8 4.6L?
Yes. Dorman 674-167 is the left-side unit for the 2014-2023 Lexus GX460 V8 4.6L, and that side takes one.
What hardware comes with this Dorman left exhaust manifold catalytic converter?
Dorman 674-167 comes with four studs, four nuts, four washers, three bolts, inlet and outlet gaskets and two O2 gaskets. Clamps, hangers and inlet mounting hardware are not included.
Is this Dorman exhaust manifold catalytic converter CARB certified?
No. Dorman 674-167 is not CARB compliant, and it is not New York certified either.
Could a ticking exhaust leak mean this left exhaust manifold catalytic converter needs replacing?
Possibly. A ticking exhaust leak, a rattle from the converter body or a check engine light can come from the exhaust manifold catalytic converter, and a shop can test it to confirm.
What are the inlet and outlet diameters of the Dorman 674-167?
On Dorman 674-167 the inlet inside diameter is 1.5 in. The outlet is 1.7 in inside and 2 in outside.
