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Dorman 674-075 Catalytic Converter with Integrated Exhaust ManifoldOE Quality 60-Day Returns
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Part #: 674-075

Dorman 674-075 Catalytic Converter with Integrated Exhaust Manifold

⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$930.77Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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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, 6
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Dorman 674-075 Catalytic Converter with Integrated Exhaust Manifold
BrandDorman
Part Number674-075
ColorNatural
TypeOne-piece
Tube Wall Thickness0.125
Grade TypeRegular
Converter Body Length12
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 Length27
Air Tube Count0
Sensor Port Count1
Converter Body MaterialStainless steel
New York CertifiedNo
Outlet Port ShapeRound
Inlet Port ShapeRound
Package Contents1 inlet gasket; 1 outlet gasket; 2 springs; 2 studs; 15 nuts; 15

This part fits 5 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2013Mazda6Automatic2.5LL4N/ACARB Compliant: No
2012Mazda62.5LL4N/ACARB Compliant: No
2011Mazda62.5LL4N/ACARB Compliant: No
2010Mazda6Manual2.5LL4N/ACARB Compliant: No; CARB Compliant: No
2009Mazda6Manual2.5LL4N/ACARB Compliant: No; 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:

51917L5052050XE

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

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