Channel right-bank exhaust gases and reduce tailpipe emissions in one bolt-in unit with the Dorman - OE Solutions Exhaust Manifold with Integrated Catalytic Converter 673-650. This right-side manifold converter is a direct-fit replacement for the 2003-2004 Infiniti M45 (V8-4.5L) and the 2003-2006 Infiniti Q45 (V8-4.5L), engineered to match the original equipment's fit and performance on those applications.
Direct replacement: designed to drop in like the factory manifold converter on the listed vehicles.
Convenient kit: ships with inlet and outlet gaskets plus outlet/downpipe hardware — 4 bolts, 4 washers, 2 nuts and 2 studs. Inlet mounting hardware, clamps and hangers are not included.
Durable construction: stainless steel body and tubes with a ceramic converter substrate and an attached aluminum heat shield, built within strict tolerances.
Emissions-legal: CARB certified (Executive Order D-798-9) and New York certified when used on an approved application.
The one-piece design uses a round body with flanged, round inlet and outlet ports (2.5 in inside diameter each), an uncoated finish, and two sensor ports with a pre-converter oxygen sensor location, at roughly 30 in overall length. Country of origin: United States. If a failed or leaking exhaust manifold or catalytic converter is the cause of your problem, this assembly replaces it.
Interchange: 14002CR910 · Manufacturer part number 673-650 (also 673650)
This part cross-references / interchanges with the following part numbers:
14002CR910
Frequently Asked Questions
What vehicles does the Dorman 673-650 fit?
It's a right-side direct-fit replacement for the 2003-2004 Infiniti M45 (V8-4.5L) and the 2003-2006 Infiniti Q45 (V8-4.5L). See the Buyer's Guide tab to confirm your vehicle.
Is this manifold converter emissions-legal?
Yes. It is CARB certified under Executive Order D-798-9 and New York certified when installed on an approved application.
What's included in the kit?
One exhaust manifold with integrated converter, plus inlet and outlet gaskets and outlet/downpipe hardware — 4 bolts, 4 washers, 2 nuts and 2 studs. Inlet mounting hardware, clamps and hangers are not included.
What is the 673-650 made of?
The manifold, converter body and tubes are stainless steel, with a ceramic converter substrate and an attached aluminum heat shield. The finish is uncoated.
How do I know if I need to replace this part?
Signs the original may need replacing include an exhaust leak or ticking at the manifold, a cracked manifold, or an emissions-related fault code. Diagnose the cause before replacing.
This catalytic converter with integrated exhaust manifold - a.k.a. manifold converter - is precision-engineered to match the original equipment on specific vehicle years, makes and models for a...
This catalytic converter with integrated exhaust manifold - a.k.a. manifold converter - is precision-engineered to match the original equipment on specific vehicle years, makes and models for a...
WARNING:
These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
