MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51237
In stock
$294.99
Listed as compatible with this vehicle by the retailer feed.
Check priceSearch parts for your 2000 Nissan Altima
10 products matching “Catalytic Converter” listed as compatible with this vehicle.
Walker Standard EPA Direct Fit Catalytic Converter Overall Length 12.500 IN, 15538
In stock
$316.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 457105
In stock
$363.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 444005
In stock
$404.99
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), 81652
In stock
$423.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 10.500 IN, 16133
In stock
$629.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Direct Fit Catalytic Converter 2.12" Outlet (OD), 82574
In stock
$704.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 49360
In stock
$808.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 441705
In stock
$865.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 441062
In stock
$981.99
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.