MagnaFlow OEM Grade Federal / EPA Compliant Diesel Oxidation Catalyst, 60111
In stock
$523.99
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Dodge Ram 2500 Exhaust Systems
62 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Back to 2003 Dodge Ram 2500 parts
aFe POWER Exhaust Manifold, 46-40012
In stock
$581.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 445004
In stock
$603.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 445006
In stock
$603.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 445005
In stock
$603.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter 2.5" Inlet (ID) 3" Outlet (OD), 55581
In stock
$616.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Diesel Oxidation Catalyst, 60521
In stock
$701.99
Listed as compatible with this vehicle by the retailer feed.
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JBA Performance 1945S-1Js 1 1/2" Header Shorty Stainless Steel 96-02 Ram/Dakota/Durango Silver Ceramic
In stock
$801.99
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), 81502
In stock
$844.99
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), 83509
In stock
$967.99
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), 82703
In stock
$1,029.00
Listed as compatible with this vehicle by the retailer feed.
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MAHLE Original EGR Valve Gasket, G32107
Out of stock
$3.49
Listed as compatible with this vehicle by the retailer feed.
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MAHLE Original Exhaust Manifold Set, MS19225
Out of stock
$30.49
Listed as compatible with this vehicle by the retailer feed.
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Dynomax Exhaust Pipe Spout 3 Inch Inlet ID 4 Inch Outlet OD, 36474
Out of stock
$66.99
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.