HomeExhaust > Catalytic ConverterAP Exhaust 771398 Catalytic Converter - Front
Part #: 771398

AP Exhaust 771398 Catalytic Converter - Front

EHNXV02.4DB3, Front
⚙️ 11 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦EHNXV02.4DB3, Front
🚗Fitment: Acura and Honda, Accord and TSX
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Overview of AP Exhaust Catalytic Converter 771398

The AP Exhaust catalytic converter part number 771398 is designed for direct-fit replacement on select Acura and Honda vehicles. Engineered to meet carb compliance standards, this catalytic converter supports efficient emissions control for models like the Honda Accord and Acura TSX.

  • Compatible with Acura and Honda Accord and TSX models
  • Carb compliant direct-fit catalytic converter
  • Ceramic substrate material for effective emissions filtration
  • Two O2 sensor ports for accurate exhaust monitoring
  • Overall length of 16.75 inches for precise fitment
  • Inlet type: 4 bolt welded with one inlet gasket included
  • Outlet type: 2 bolt welded with one outlet gasket included and outlet hardware
  • Executive Order D-798-9 certified

About the 8HNXV02.4TKR Product Line

The 8HNXV02.4TKR product line from AP Exhaust focuses on carb-compliant direct-fit catalytic converters designed to meet strict emissions regulations. This line emphasizes precise fitment and durability, making it suitable for replacement on specific Acura and Honda models. The 8HNXV02.4TKR series ensures compatibility with factory O2 sensor configurations and mounting points, simplifying installation and maintaining vehicle performance.

Detailed Product Description

This AP Exhaust catalytic converter 771398 features a ceramic substrate that effectively reduces harmful emissions while maintaining exhaust flow. The unit includes two O2 sensor ports, allowing for proper sensor placement and accurate engine management system readings. The inlet side uses a 4 bolt welded flange with one gasket included, while the outlet side features a 2 bolt welded flange with one gasket and outlet hardware, ensuring a secure and leak-free connection. With an overall length of 16.75 inches, this catalytic converter is engineered for a direct-fit replacement on compatible Acura and Honda Accord and TSX models, meeting Executive Order D-798-9 standards.

Common Applications and Issues Addressed

  • Replacement for clogged or damaged catalytic converters on Acura Accord and Honda TSX
  • Restores proper emissions control to pass state and federal inspections
  • Resolves check engine light issues related to catalytic converter efficiency
  • Improves exhaust flow and engine performance affected by converter failure
  • Maintains compliance with Executive Order D-798-9 emissions regulations

Installation Notes and Tips

Ensure the vehicle is cooled down before beginning installation. This catalytic converter is designed for direct-fit replacement, matching factory mounting points and O2 sensor locations. Use the included inlet and outlet gaskets to prevent exhaust leaks. Verify that the 4 bolt welded inlet flange and 2 bolt welded outlet flange align correctly with the vehicle’s exhaust system. No inlet hardware is included, so retain or source necessary bolts if needed. Proper torque specifications should be followed to avoid damage or leaks.

Quality Assurance and Warranty

AP Exhaust catalytic converter 771398 complies with Executive Order D-798-9, ensuring it meets emissions standards for applicable vehicles. Manufactured by AP Exhaust Holdings, LLC, this part is built to provide reliable emissions control and durability. Warranty details should be confirmed with the distributor or installer, as coverage may vary.

BrandAP Exhaust
Part Number771398
PositionEHNXV02.4DB3, Front
Executive OrderD-798-9
Inlet Gasket Qty1
Inlet HardwareNone
Inlet Type A4 bolt welded
Issued CompanyAp exhaust holdings, llc
O2 Sensor Ports2
Outlet Gasket Qty1
Outlet HardwareYes
Outlet Type A2 bolt welded
Overall Length (IN)16.75
Substrate MaterialCeramic
TypeCarb compliant direct-fit

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014AcuraTSX2.4LL4FrontDirect Fit - California; EHNXV02.4DB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; EHNXV02.4DB3; EHNXV02.4DB3
2013AcuraTSX2.4LL4FrontDirect Fit - California; DHNXV02.4DB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; DHNXV02.4DB3; DHNXV02.4DB3
2012AcuraTSX2.4LL4FrontDirect Fit - California; CHNXV02.4DB9; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; CHNXV02.4DB9; CHNXV02.4DB9
2012HondaAccord2.4LL4FrontDirect Fit - California; CHNXV02.4CB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; CHNXV02.4CB3; CHNXV02.4CB3
2011AcuraTSX2.4LL4FrontDirect Fit - California; BHNXV02.4DB9; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; BHNXV02.4DB9; BHNXV02.4DB9
2011HondaAccord2.4LL4FrontDirect Fit - California; BHNXV02.4CB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; BHNXV02.4CB3; BHNXV02.4CB3
2010AcuraTSX2.4LL4FrontDirect Fit - California; AHNXV02.4SB9; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; AHNXV02.4SB9; AHNXV02.4SB9
2010HondaAccord2.4LL4FrontDirect Fit - California; AHNXV02.4MB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; AHNXV02.4MB3; AHNXV02.4MB3
2009AcuraTSX2.4LL4FrontDirect Fit - California; 9HNXV02.44B9; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; 9HNXV02.44B9; 9HNXV02.44B9
2009HondaAccord2.4LL4FrontDirect Fit - California; 9HNXV02.4YB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; 9HNXV02.4YB3; 9HNXV02.4YB3
2008HondaAccord2.4LL4FrontDirect Fit - California; 8HNXV02.4TKR; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-9; 8HNXV02.4TKR; 8HNXV02.4TKR

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