HomeExhaust > Catalytic ConverterDorman 674-070 Catalytic Converter with Integrated Exhaust Manifold
Part #: 674-070

Dorman 674-070 Catalytic Converter with Integrated Exhaust Manifold

⚙️ 2 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$785.50Free Shipping
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 3 and 3 Sport
🔄Easy Returns — Return within 60 days for a full refund
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Dorman 674-070 Catalytic Converter with Integrated Exhaust Manifold
BrandDorman
Part Number674-070
ColorNatural
TypeOne-piece
Tube Wall Thickness0.125
Grade TypeRegular
Converter Body Length8
Inlet TypeFlanged
Outlet TypeFlanged
Inlet Quantity1
Outlet Quantity1
California Air Resources Board (CARB) CertifiedNo
Substrate MaterialCeramic
Inlet Mounting Hole Quantity7
Inlet Mounting Hardware IncludedNo
Outlet Mounting Hole Quantity2
Outlet Gasket IncludedYes
Outlet Mounting Hardware IncludedYes
Overall Length35
Air Tube Count0
Sensor Port Count2
Converter Body MaterialStainless steel
New York CertifiedNo
Outlet Port ShapeRound
Inlet Port ShapeRound
Package Contents1 inlet gasket; 1 outlet gasket; 1 stud; 3 nuts; 15 bolts; 15 wa

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010Mazda32.5LL4N/ACARB Compliant: No; wo/California Emissions; CARB Compliant: No
2010Mazda3 Sport2.5LL4N/ACARB Compliant: No; wo/California Emissions; CARB Compliant: No

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

51440L5202050XE

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.