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GMC Sierra 1500 Catalytic Converters
This page brings together catalytic converters for the GMC Sierra 1500, covering model years 1999 through 2024. The range includes direct-fit and universal options, along with OE replacement and manifold styles in materials such as stainless steel. Choose your model year above and this page keeps only the catalytic converters that fit your GMC Sierra 1500. Each listing is matched to our vehicle fitment data before it appears here.
1 - 30 of 46 results
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Magnaflow 5582406 Universal Catalytic Converter 2.5 Inch Inlet/Outlet
Part: 5582406
Vehicle Specific
$1,710.00
In Stock (10+)
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Flowmaster 2010019 Direct Fit Catalytic Converter - Federal EPA Approved
Part: 2010019
Vehicle Specific
$949.95
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Magnaflow 99006HM Universal Catalytic Converter 2.50 Inch Inlet/Outlet
Part: 99006HM
Vehicle Specific
$222.00
3 left at this price
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Magnaflow 94037 Universal Catalytic Converter 2.50 Inch Inlet/Outlet
Part: 94037
Universal Fit
$129.00
In Stock (10+)
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Magnaflow 94106 Universal Catalytic Converter 2.50 Inch Inlet/Outlet
Part: 94106
Universal Fit
$114.00
In Stock (10+)
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Magnaflow 459006 Universal Catalytic Converter 2.50 Inch Inlet/Outlet
Part: 459006
Vehicle Specific
$504.00
In Stock (10)
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Magnaflow 337304 Universal Catalytic Converter 2.00 Inch Inlet/Outlet
Part: 337304
Vehicle Specific
$290.00
3 left at this price
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Magnaflow 447209 Universal Catalytic Converter 3 Inch Inlet/Outlet
Part: 447209
Vehicle Specific
$390.00
1 left at this price
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Magnaflow 444005 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
Part: 444005
Vehicle Specific
$371.00
In Stock (10+)
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Magnaflow 99106HM Universal Catalytic Converter 2.5in Inlet/Outlet HM Grade Federal EPA
Part: 99106HM
Vehicle Specific
$170.00
In Stock (10+)
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Magnaflow 444085 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
Part: 444085
Vehicle Specific
$380.00
1 left at this price
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MagnaFlow 51106 Universal Catalytic Converter 2.50 Inch OEM Grade EPA Compliant
Part: 51106
Vehicle Specific
$172.00
In Stock (10+)
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Magnaflow 459409 Universal Catalytic Converter California Grade CARB Compliant 3.00in Inlet/Outlet
Part: 459409
Vehicle Specific
$648.00
In Stock (8)
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What's here for your GMC Sierra 1500
- Direct-fit catalytic converters
- Universal catalytic converters
- OE replacement catalytic converters
- Manifold catalytic converters
- Stainless steel catalytic converters
The widest selection here comes from Magnaflow, AP Exhaust, Catco, and Walker Exhaust. Other categories GMC Sierra 1500 owners shop for: GMC Sierra 1500 Shocks and Struts, GMC Sierra 1500 Springs and Suspension Parts and GMC Sierra 1500 Exterior Lights, or browse all GMC Sierra 1500 parts and accessories.