MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter, 99309HM
In stock
$204.99
Listed as compatible with this vehicle by the retailer feed.
Check priceSearch parts for your 2003 Chevrolet Silverado 2500HD
19 products matching “Catalytic Converter” listed as compatible with this vehicle.
Walker Ultra EPA Universal Catalytic Converter - 3" Inlet (ID) 3" Outlet (ID), 93239
In stock
$216.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter, 51309
In stock
$221.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter, 99659HM
In stock
$239.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 21-989
In stock
$365.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 447209
In stock
$425.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 52493
In stock
$487.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID), 83404
In stock
$537.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 447109
In stock
$571.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 25.000 IN, 14625
In stock
$574.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter 3" Outlet (OD), 53726
In stock
$741.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 93480
In stock
$744.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter 3" Outlet (OD), 55557
In stock
$831.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID), 81724
In stock
$936.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 4551479
In stock
$1,521.00
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 4551006
In stock
$1,573.00
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter, 51659
Out of stock
$308.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 447269
Out of stock
$1,129.00
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 447281
Out of stock
$1,205.00
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.