HomeExhaust > Catalytic ConverterDorman 674-750 Catalytic Converter with Integrated Exhaust Manifold
Part #: 674-750

Dorman 674-750 Catalytic Converter with Integrated Exhaust Manifold

⚙️ 4 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
$680.49Free 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: Acura and Honda, Civic and ILX
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Catalytic Converter with Integrated Exhaust Manifold

The Dorman 674-750 catalytic converter with integrated exhaust manifold is designed for Acura and Honda vehicles, specifically compatible with Civic and ILX models. This component combines the exhaust manifold and catalytic converter into a single unit, providing a streamlined solution for exhaust emissions control.

  • Constructed from durable stainless steel for corrosion resistance
  • Natural color finish with a 9-inch converter body length
  • Features a flanged outlet type with one inlet and one outlet
  • Includes one sensor port and supports one air tube
  • Overall length of 21 inches for precise fitment
  • Rectangular inlet port shape with four inlet mounting holes and six outlet mounting holes
  • Outlet mounting hardware included for secure installation

Detailed Product Description

The Dorman 674-750 catalytic converter with integrated exhaust manifold is engineered to meet the exhaust system requirements of Acura Civic and Honda ILX vehicles. Its stainless steel construction ensures long-lasting durability and resistance to heat and corrosion. The converter body length of 9 inches and overall length of 21 inches are designed to match OEM specifications, ensuring proper fit and function. The flanged outlet type and rectangular inlet port shape facilitate a secure connection within the exhaust system. This part includes one sensor port to accommodate oxygen sensors, essential for maintaining optimal engine performance and emissions control.

Common Applications and Issues Addressed

  • Replacement for damaged or rusted exhaust manifolds and catalytic converters
  • Resolves exhaust leaks caused by cracked manifolds or failed converters
  • Helps restore proper emissions control and reduce harmful exhaust gases
  • Addresses check engine light issues related to oxygen sensor malfunctions
  • Improves exhaust flow and engine efficiency in Acura Civic and Honda ILX models

Installation Notes and Tips

Ensure compatibility with your specific Acura Civic or Honda ILX model year before installation. The part includes outlet mounting hardware but does not include inlet mounting hardware or outlet gaskets, so these may need to be sourced separately. Proper torque specifications should be followed to avoid exhaust leaks. It is recommended to inspect oxygen sensors and replace if necessary during installation to maintain system integrity.

Quality Assurance and Warranty

Dorman manufactures this catalytic converter with integrated exhaust manifold to meet industry standards for durability and performance. While this part is not California Air Resources Board (CARB) certified, it is designed to meet regular grade type requirements. Warranty details should be confirmed with the point of purchase or manufacturer documentation.

BrandDorman
Part Number674-750
ColorNatural
Grade TypeRegular
Converter Body Length9
Outlet TypeFlanged
Inlet Quantity1
Outlet Quantity1
California Air Resources Board (CARB) CertifiedNo
Inlet Mounting Hole Quantity4
Inlet Mounting Hardware IncludedNo
Outlet Mounting Hole Quantity6
Outlet Gasket IncludedNo
Outlet Mounting Hardware IncludedYes
Overall Length21
Air Tube Count1
Sensor Port Count1
Converter Body MaterialStainless steel
Inlet Port ShapeRectangle
Package Contents1 exhaust manifold

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014AcuraILX2.0LL4N/ACARB Compliant: No; CARB Compliant: No
2013AcuraILX2.0LL4N/ACARB Compliant: No; CARB Compliant: No
2013HondaCivic1.8LL4N/ACARB Compliant: No; CARB Compliant: No
2012HondaCivic1.8LL4N/ACARB 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:

1667818160R2AM0049343

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