Search parts for your 1999 Ford Expedition

26 products matching “Catalytic Converter” listed as compatible with this vehicle.

  • Walker Ultra EPA Universal Catalytic Converter - 2.5" Inlet (ID) 2.5" Outlet (ID), 93238

    WalkerMPN 93238New

    In stock

    $185.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter, 51176

    MagnaFlowMPN 51176New

    In stock

    $194.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker Ultra EPA Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID), 93252

    WalkerMPN 93252New

    In stock

    $194.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker Ultra EPA Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 93248

    WalkerMPN 93248New

    In stock

    $195.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter, 99356HM

    MagnaFlowMPN 99356HMNew

    In stock

    $204.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker Ultra EPA Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID), 93237

    WalkerMPN 93237New

    In stock

    $249.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter, 99176HM

    MagnaFlowMPN 99176HMNew

    In stock

    $326.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker Ultra EPA Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 93253

    WalkerMPN 93253New

    In stock

    $329.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 447206

    MagnaFlowMPN 447206New

    In stock

    $425.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 447256

    MagnaFlowMPN 447256New

    In stock

    $431.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 83601

    WalkerMPN 83601New

    In stock

    $439.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker CalCat CARB Universal Catalytic Converter, 2.5" Inlet (ID) 2.5" Outlet (ID), 82113

    WalkerMPN 82113New

    In stock

    $506.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 447176

    MagnaFlowMPN 447176New

    In stock

    $521.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51934

    MagnaFlowMPN 51934New

    In stock

    $571.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51792

    MagnaFlowMPN 51792New

    In stock

    $684.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker Ultra EPA Direct Fit Catalytic Converter 2.5" Inlt ID 2.5" Outlt ID 2.5" Outlt OD, 54406

    WalkerMPN 54406New

    In stock

    $764.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 46.000 IN, 14642

    WalkerMPN 14642New

    In stock

    $811.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 93127

    MagnaFlowMPN 93127New

    In stock

    $975.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID), 83801

    WalkerMPN 83801New

    In stock

    $982.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 23028

    MagnaFlowMPN 23028New

    In stock

    $1,064.00

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 447115

    MagnaFlowMPN 447115New

    In stock

    $1,066.00

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 447117

    MagnaFlowMPN 447117New

    In stock

    $1,081.00

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51412

    MagnaFlowMPN 51412New

    In stock

    $1,172.00

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51695

    MagnaFlowMPN 51695New

    In stock

    $1,220.00

    Listed as compatible with this vehicle by the retailer feed.

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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.