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Dorman 674-300 Catalytic Converter with Integrated Exhaust ManifoldOE Quality 60-Day Returns
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Part #: 674-300

Dorman 674-300 Catalytic Converter with Integrated Exhaust Manifold

⚙️ 3 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$688.04Free 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, 2
🔄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 674-300 Catalytic Converter with Integrated Exhaust Manifold
BrandDorman
Part Number674-300
ColorNatural
Grade TypeRegular
California Air Resources Board (CARB) CertifiedNo
Inlet Gasket IncludedYes
Outlet Mounting Hole Quantity2
Outlet Mounting Hardware IncludedYes
Converter Body MaterialStainless steel
Inlet Port ShapeRound
Package ContentsExhaust manifold; 1 manifold gasket; 1 flange gasket; 2 studs; 2

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014Mazda21.5LL4N/ACARB Compliant: No; CARB Compliant: No
2013Mazda21.5LL4N/ACARB Compliant: No; CARB Compliant: No
2012Mazda21.5LL4N/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:

22-064ZJ402050XB

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

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