HUMMER Walker Exhaust Catalytic Converters Catalytic Converters Exhaust - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

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 Universal Catalytic Converters 93238

Catalytic Converter, Universal, Stainless Steel, 2.5 in. Inlet/Outlet, 13.5 in. Length, Each

Part Number: WLK-93238

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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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

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Walker CalCat Direct-Fit Catalytic Converters for 2003-2006 H2 - 83485

Converter-CalCat-Direct Fit

Part Number: WLK-83485

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2003-2006 H2 - 83486

Converter-CalCat-Direct Fit

Part Number: WLK-83486

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84803

CalCat CARB Catalytic Converter

Part Number: WLK-84803

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84802

CalCat CARB Catalytic Converter

Part Number: WLK-84802

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

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: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84804

CalCat CARB Catalytic Converter

Part Number: WLK-84804

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84701

CalCat CARB Catalytic Converter

Part Number: WLK-84701

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84801

CalCat CARB Catalytic Converter

Part Number: WLK-84801

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84725

CalCat CARB Catalytic Converter

Part Number: WLK-84725

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84719

CalCat CARB Catalytic Converter

Part Number: WLK-84719

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

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: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

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

Not Yet Reviewed

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Walker CalCat Universal Catalytic Converters 81723

Catalytic Converter, Stainless Steel Case, Cadillac, Chevy, Dodge, Ford, Hummer, Isuzu, Jeep, Mercury, Olds

Part Number: WLK-81723

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Pypes Mini Catalytic Converters CVM13M

4.25 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Walker Exhaust - Catalytic Converters for 2009-2010 H3, H3T - 14649

Ultra EPA Manifold Converter

Part Number: WLK-14649

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today