MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51333
In stock
$349.99
Listed as compatible with this vehicle by the retailer feed.
Check price2004 Buick LeSabre Exhaust Systems
31 products listed as compatible with this vehicle by the retailer feed.
Back to 2004 Buick LeSabre parts
Walker Ultra EPA Direct Fit Catalytic Converter 2.5" Outlet (OD), 16386
In stock
$365.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 5461333
In stock
$1,386.00
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 2.75" Outlet (ID), 84507
In stock
$1,423.00
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Direct Fit Catalytic Converter 2.625" Outlet (OD), 84596
In stock
$1,886.00
Listed as compatible with this vehicle by the retailer feed.
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BRExhaust Direct-Fit Exhaust System Kit, 106-0072
Out of stock
$363.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Exhaust Manifold Crossover Pipe, 679-003
Out of stock
$450.99
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.