HomeExhaust > Catalytic ConverterAP Exhaust 840301 Catalytic Converter with Integrated Exhaust Manifold - Front
Part #: 840301

AP Exhaust 840301 Catalytic Converter with Integrated Exhaust Manifold - Front

YHNXV01.6CA3, Front
⚙️ 17 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦YHNXV01.6CA3, Front
🚗Fitment: Honda, Civic and Civic del Sol
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Overview of AP Exhaust Catalytic Converter 840301

The AP Exhaust catalytic converter with integrated exhaust manifold, part number 840301, is designed specifically for Honda Civic and Civic del Sol models. This component combines the catalytic converter and exhaust manifold into a single unit, streamlining exhaust flow and emissions control.

  • Integrated catalytic converter and exhaust manifold design
  • Compatible with Honda Civic and Civic del Sol vehicles
  • Part number 840301 for precise identification
  • Manufactured by AP Exhaust under the THN1.6VJG3EK product line
  • Supports emissions compliance and exhaust efficiency

Product Line Details: THN1.6VJG3EK

The THN1.6VJG3EK product line by AP Exhaust focuses on integrated exhaust components that combine multiple functions into a single assembly. This approach reduces installation complexity and potential leak points by integrating the catalytic converter directly with the exhaust manifold. The 840301 part benefits from this design philosophy, offering a streamlined replacement part for compatible Honda Civic and Civic del Sol models.

Detailed Product Description

This catalytic converter with integrated exhaust manifold is engineered to meet the specific exhaust routing and emissions requirements of Honda Civic and Civic del Sol vehicles. By combining the exhaust manifold and catalytic converter, it ensures optimal exhaust gas flow and efficient catalytic conversion. The part number 840301 corresponds to this exact fitment, ensuring compatibility and performance consistency. This unit is designed to replace the factory component directly, maintaining the vehicle’s emissions control system integrity.

Common Applications and Problem Resolution

  • Replacement for damaged or clogged catalytic converters in Honda Civic and Civic del Sol
  • Addressing exhaust manifold leaks that affect emissions and engine performance
  • Restoring proper emissions control to pass state inspections
  • Reducing exhaust noise caused by manifold or converter failure
  • Improving exhaust flow efficiency after manifold or converter degradation

Installation Notes and Tips

Installation of the AP Exhaust catalytic converter with integrated exhaust manifold (part number 840301) should be performed by a qualified technician familiar with Honda Civic and Civic del Sol exhaust systems. Proper torque specifications and gasket replacements are recommended to ensure a secure and leak-free fit. Due to the integrated design, removal and installation require careful handling to avoid damage to the unit or surrounding components.

Quality Assurance and Warranty

AP Exhaust manufactures this catalytic converter with integrated exhaust manifold to meet or exceed OEM standards for fit and function. While specific warranty details are not provided, AP Exhaust products typically undergo quality control processes to ensure durability and compliance with emissions regulations. Buyers should verify warranty terms with the supplier or manufacturer directly.

This part fits 17 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2000HondaCivicLX1.6LL4FrontDirect Fit; YHNXV01.6CA3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; YHNXV01.6CA3; YHNXV01.6CA3
2000HondaCivicDX1.6LL4FrontDirect Fit; YHNXV01.6CA3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; YHNXV01.6CA3; YHNXV01.6CA3
2000HondaCivicCX1.6LL4FrontDirect Fit; YHNXV01.6CA3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; YHNXV01.6CA3; YHNXV01.6CA3
1999HondaCivicCX1.6LL4FrontDirect Fit; XHNXV01.6CA3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; XHNXV01.6CA3; XHNXV01.6CA3
1999HondaCivicDX1.6LL4FrontDirect Fit; XHNXV01.6CA3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; XHNXV01.6CA3; XHNXV01.6CA3
1999HondaCivicLX1.6LL4FrontDirect Fit; XHNXV01.6CA3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; XHNXV01.6CA3; XHNXV01.6CA3
1998HondaCivicLX1.6LL4FrontDirect Fit; WHNXV01.6CA3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; WHNXV01.6CA3; WHNXV01.6CA3
1998HondaCivicDX1.6LL4FrontDirect Fit; WHNXV01.6CA3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; WHNXV01.6CA3; WHNXV01.6CA3
1998HondaCivicCX1.6LL4FrontDirect Fit; WHNXV01.6CA3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; WHNXV01.6CA3; WHNXV01.6CA3
1997HondaCivicCX1.6LL4FrontDirect Fit; VHN1.6VJG3EK; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; VHN1.6VJG3EK; VHN1.6VJG3EK
1997HondaCivicLX1.6LL4FrontDirect Fit; VHN1.6VJG3EK; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; VHN1.6VJG3EK; VHN1.6VJG3EK
1997HondaCivicDX1.6LL4FrontDirect Fit; VHN1.6VJG3EK; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; VHN1.6VJG3EK; VHN1.6VJG3EK
1997HondaCivic del SolS1.6LL4FrontDirect Fit; VHN1.6VJGKGK; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; VHN1.6VJGKGK; VHN1.6VJGKGK
1996HondaCivicLX1.6LL4FrontDirect Fit; THN1.6VJG3EK; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; THN1.6VJG3EK; THN1.6VJG3EK
1996HondaCivicDX1.6LL4FrontDirect Fit; THN1.6VJG3EK; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; THN1.6VJG3EK; THN1.6VJG3EK
1996HondaCivicCX1.6LL4FrontDirect Fit; THN1.6VJG3EK; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; THN1.6VJG3EK; THN1.6VJG3EK
1996HondaCivic del SolS1.6LL4FrontDirect Fit; THN1.6VJG3EK; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-665-8; THN1.6VJG3EK; THN1.6VJG3EK

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