5631991 Direct-Fit Catalytic Converter for 2008-2012 Honda Accord
InfoVehicle Info Needed
MAGNAFLOWPART NUMBER: 642-5631991

5631991 Direct-Fit Catalytic Converter for 2008-2012 Honda Accord

$1,47100
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

Direct-Fit Catalytic Converter
  • for 2008-2012 Honda Accord
  • Stainless Steel

    Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5631991. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 2008-2012 Honda Accord and interchanges with OE parts 18190-5J0-A00 and 18190-R40-A00, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testin g to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

    Magnaflow 5631991 Direct-Fit Catalytic Converter Features:

    • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
    • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
    • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
    • Simplifies installation with essential gaskets and hardware being included in the box
    • Durable 308 stainless steel MIG welds
  • MagnaFlow Direct-Fit Catalytic Converters are built to bolt on easily and meet original equipment standards. Their ribbed body minimizes expansion and distortion when the converter heats up. The ribs form a channel that protects the cushioning mat from direct exposure to exhaust gas, and they hold the ceramic monolithic honeycomb catalyst in proper alignment. The ceramic coating is designed to maximize surface area & flow, and the coating process is strictly controlled to maintain exact specifications.

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    Features

    • Ribbed Body Minimizes Expansion
    • Monolithic Honeycomb Catalyst
    • Easy Bolt-On Installation

    Note: These catalytic converters are no longer legal for sale in the state of California and will not be shipped to the state of California.

    Part TypeCatalytic Converter
    Product LineMagnaflow Direct-Fit Catalytic Converters
    BrandMAGNAFLOW
    Package Height6.0
    Package Width11.62
    Package Length18.75
    Weight8.0 PG
    Vendor Part Number5631991
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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