Victor Reinz Catalytic Converter Gasket, 71-13618-00
In stock
$5.79
Listed as compatible with this vehicle by the retailer feed.
Check priceSearch parts for your 2003 Chevrolet Impala
11 products matching “Catalytic Converter” listed as compatible with this vehicle.
Dorman - Help Catalytic Converter Exhaust Muffler/Resonator Hanger, 57012
In stock
$20.99
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
In stock
$329.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 23433
In stock
$412.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 23405
In stock
$426.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51532
In stock
$433.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51396
In stock
$447.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 38.500 IN, 54626
In stock
$467.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 36.625 IN, 54627
In stock
$493.99
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), 82618
In stock
$706.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 4561396
In stock
$1,310.00
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.