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Dorman 674-928 Catalytic Converter with Integrated Exhaust ManifoldOE Quality 60-Day Returns
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Part #: 674-928

Dorman 674-928 Catalytic Converter with Integrated Exhaust Manifold

⚙️ 6 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
$776.82Free 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, 5
🔄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 674-928 Catalytic Converter with Integrated Exhaust Manifold
BrandDorman
Part Number674-928
ColorNatural
Grade TypeRegular
Converter Body Length4
Outlet TypeNon-flanged
Inlet Quantity1
Outlet Quantity1
California Air Resources Board (CARB) CertifiedNo
Inlet Mounting Hole Quantity7
Inlet Gasket IncludedYes
Inlet Mounting Hardware IncludedNo
Outlet Mounting Hole Quantity7
Outlet Mounting Hardware IncludedYes
Overall Length32
Air Tube Count1
Sensor Port Count2
Converter Body MaterialStainless steel
CARB Executive Order NumberNot carb compliant
Inlet Port ShapeRound
Package ContentsExhaust manifold; 1 flange gasket; 1 output gasket; 2 bolts; 2 la

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017Mazda52.5LL4N/ACARB Compliant: No; CARB Compliant: No
2016Mazda52.5LL4N/ACARB Compliant: No; CARB Compliant: No
2015Mazda52.5LL4N/ACARB Compliant: No; CARB Compliant: No
2014Mazda52.5LL4N/ACARB Compliant: No; CARB Compliant: No
2013Mazda52.5LL4N/ACARB Compliant: No; CARB Compliant: No
2012Mazda52.5LL4N/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:

51440L5722050X

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

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