Walker CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 83418
In stock
$552.99
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Lincoln Navigator Exhaust Systems
31 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Back to 2003 Lincoln Navigator parts
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 459056
In stock
$615.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51801
In stock
$837.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51081
In stock
$908.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Direct Fit Catalytic Converter 2.5" Outlet (OD), 83556
In stock
$1,595.00
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Direct Fit Catalytic Converter 2.5" Inlet (ID) 2.78" Outlet (OD), 83554
In stock
$1,860.00
Listed as compatible with this vehicle by the retailer feed.
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MAHLE Original Gasket, G31324
Out of stock
$3.99
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.