AP Exhaust 771398 Catalytic Converter - Front

CARB-Compliant Direct-Fit Catalytic Converter

AP Exhaust 771398 is a CARB compliant direct-fit catalytic converter built for front-position applications on select Honda Accord and Acura TSX models. It is engineered to match OE dimensions and fitment for a straightforward replacement on California-emissions vehicles.

AP Exhaust’s 8HNXV02.4TKR product line focuses on exact-fit replacement converters with manufacturing processes that support consistent dimensions and repeatable fitment. For buyers searching for a 2008 Honda Accord front catalytic converter or a 2014 Acura TSX front catalytic converter, this part number 771398 is built for those specific applications.

Key Features

• CARB compliant direct-fit catalytic converter
• Ceramic substrate material
• 4-bolt welded inlet and 2-bolt welded outlet design
• 2 oxygen sensor ports
• Overall length: 16.75 in.
• Includes one inlet gasket and one outlet gasket
• Outlet hardware included
• Executive Order D-798-9

Detailed Product Overview

AP Exhaust 771398 uses proprietary substrate chemistry and advanced manufacturing methods to support efficient catalyst loading while maintaining OE-style dimensions. The result is a direct-fit catalytic converter for California-emissions front applications on the Honda Accord and Acura TSX, including 2008-2014 model years listed below. This part number 771398 is a practical choice when replacing a worn or failed front converter on vehicles that require CARB compliance.

This part cross-references no listed interchange numbers in the provided data.

What This Part Helps Address

• Check engine light related to catalyst efficiency
• Failed emissions inspection due to converter performance
• Exhaust leaks at the converter connection points
• Restricted exhaust flow from a deteriorated catalytic substrate
• Fitment issues caused by a non-OE-style replacement converter

Installation Notes and Fitment

• Fits 2014 Acura TSX, Front - Direct Fit - California; EHNXV02.4DB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number: D-798-9
• Fits 2013 Acura TSX, Front - Direct Fit - California; DHNXV02.4DB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number: D-798-9
• Fits 2012 Acura TSX, Front - Direct Fit - California; CHNXV02.4DB9; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number: D-798-9
• Fits 2011 Acura TSX, Front - Direct Fit - California; BHNXV02.4DB9; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number: D-798-9
• Fits 2010 Acura TSX, Front - Direct Fit - California; AHNXV02.4SB9; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number: D-798-9
• Fits 2009 Acura TSX, Front - Direct Fit - California; 9HNXV02.44B9; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number: D-798-9
• Fits 2012 Honda Accord, Front - Direct Fit - California; CHNXV02.4CB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number: D-798-9
• Fits 2011 Honda Accord, Front - Direct Fit - California; BHNXV02.4CB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number: D-798-9
• Fits 2010 Honda Accord, Front - Direct Fit - California; AHNXV02.4MB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number: D-798-9
• Fits 2009 Honda Accord, Front - Direct Fit - California; 9HNXV02.4YB3; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number: D-798-9
• Fits 2008 Honda Accord, Front - Direct Fit - California; 8HNXV02.4TKR; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number: D-798-9

Verify the vehicle’s emissions label and OE reference before installation to confirm California-compliant application match. The front-position design and direct-fit configuration are intended to align with the listed Honda Accord and Acura TSX applications without modification.

Quality Assurance

AP Exhaust Holdings, LLC identifies this converter under Executive Order D-798-9 for California emissions compliance. The converter is built to OE dimensions using automated workstations, spinner welding equipment, and high-speed production lines to support consistent fitment and manufacturing control.