Dorman 673-300 exhaust manifold catalytic converter for the 2012-2014 Mazda 2 4-cylinder 1.5L gathers exhaust from the cylinders and reduces its emissions with a catalyst. This Dorman exhaust manifold with integrated catalytic converter replaces the manifold and converter as one piece.
- One-piece body with four flanged inlets and one flanged outlet
- Stainless steel converter body and tube with a ceramic substrate
- Made within strict tolerances for reliable longevity
- Three sensor ports for pre- and post-converter oxygen sensors
- CARB Executive Order D-798-9, and New York certified
Quick facts
- Part: Dorman 673-300 exhaust manifold catalytic converter
- Also called: exhaust manifold with integrated catalytic converter
- Fits: 2012-2014 Mazda 2 4-cylinder 1.5L
- Material: Stainless Steel
- Condition: New
A rattle from the converter, a ticking exhaust on a cold start or a check engine light can mean the unit is worn or cracked, though a failing oxygen sensor or a leaking gasket can be behind them too.
Fits
It is a direct replacement for the 2012-2014 Mazda 2 4-cylinder 1.5L, designed to fit and perform like the original equipment, and the car takes one.
Specifications
Fit and size
- Quantity per vehicle: 1
- Overall length: 18 in
- Converter body length: 6 in
- Inlet inside diameter: 0.96 in
- Outlet inside diameter: 0.96 in
- Outlet outside diameter: 1 in
- Tube wall thickness: 0.125 in
- Inlets: 4, flanged, 5 mounting holes
- Outlet: flanged, 2 mounting holes
- Sensor port size: 0.202 in
Build and materials
- Type: one-piece
- Material: stainless steel
- Substrate: ceramic
- Finish: uncoated
- Grade: standard replacement
- Heat shield: not attached
- Condition: new
- Country of origin: United States
In the box
One exhaust manifold catalytic converter, one manifold gasket, one flange gasket, two studs, two springs and two heat shield bolts. Inlet mounting hardware, clamps and hangers are not included, so plan on new fasteners for the inlet side, as the old ones may not be reusable.
Installation notes
- The kit's gaskets and downpipe hardware are meant to simplify installation.
Interchange: ZJ402050XB
Frequently Asked Questions
Does the Dorman 673-300 exhaust manifold catalytic converter fit the 2012-2014 Mazda 2 4-cylinder 1.5L?
Yes. Dorman 673-300 is listed for the 2012-2014 Mazda 2 4-cylinder 1.5L, and that car takes one.
Does the Dorman 673-300 come with gaskets and studs?
Yes. Dorman 673-300 includes a manifold gasket, a flange gasket, two studs, two springs and two heat shield bolts. Inlet mounting hardware, clamps and hangers are not included.
Is this converter body stainless steel, and what is the substrate?
Yes, the converter body and tube are stainless steel, and the substrate is ceramic. The finish is uncoated.
Is the Dorman 673-300 CARB compliant?
Yes. Dorman 673-300 carries CARB Executive Order D-798-9 and is also New York certified.
How many oxygen sensor ports does this exhaust manifold catalytic converter have?
It has three sensor ports with a 0.202 in port size, set up for pre- and post-converter oxygen sensors.
