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  • Universal
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  • Inlet Quantity
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  • Converter Inlet Attachment
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Walker Exhaust

HUMMER Walker Exhaust Catalytic Converters

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Walker CalCat Universal Catalytic Converters 83403

Walker CalCat Universal Catalytic Converters 83403

Walker CalCat Universal Catalytic Converters 83403

Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-83403

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Walker Ultra Direct-Fit Catalytic Converters for 2003-2006 H2 - 16563

Walker Ultra Direct-Fit Catalytic Converters for 2003-2006 H2 - 16563

Walker Ultra Direct-Fit Catalytic Converters for 2003-2006 H2 - 16563

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Hummer, Each

Part Number: WLK-16563

Not Yet Reviewed

Estimated Ship Date: Today

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Walker Exhaust Catalytic Converters 84719

Walker Exhaust Catalytic Converters 84719

Walker Exhaust Catalytic Converters 84719

CalCat CARB Catalytic Converter

Part Number: WLK-84719

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2007-2012 CANYON, COLORADO, 2007-2008 H3 - 54874

Walker Ultra Direct-Fit Catalytic Converters for 2007-2012 CANYON, COLORADO, 2007-2008 H3 - 54874

Walker Ultra Direct-Fit Catalytic Converters for 2007-2012 CANYON, COLORADO, 2007-2008 H3 - 54874

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Chevrolet, GMC, Hummer, Each

Part Number: WLK-54874

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2003-2006 H2 - 16562

Walker Ultra Direct-Fit Catalytic Converters for 2003-2006 H2 - 16562

Walker Ultra Direct-Fit Catalytic Converters for 2003-2006 H2 - 16562

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Hummer, Each

Part Number: WLK-16562

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Direct-Fit Catalytic Converters for 2003-2006 H2 - 645429

AP Exhaust Direct-Fit Catalytic Converters for 2003-2006 H2 - 645429

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