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  • Inlet Quantity
  • Inlet Diameter (in.)
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Walker Exhaust

HUMMER Walker Exhaust Catalytic Converters

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Results 1 - 17 of 17

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 Universal Catalytic Converters 93238

Walker Universal Catalytic Converters 93238

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

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 CalCat Universal Catalytic Converters 81723

Walker CalCat Universal Catalytic Converters 81723

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: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pypes Mini Catalytic Converters CVM13M

Pypes Mini Catalytic Converters CVM13M

4.25 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Walker Exhaust Catalytic Converters 84725

Walker Exhaust Catalytic Converters 84725

Walker Exhaust Catalytic Converters 84725

CalCat CARB Catalytic Converter

Part Number: WLK-84725

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 Exhaust Catalytic Converters 84801

Walker Exhaust Catalytic Converters 84801

Walker Exhaust Catalytic Converters 84801

CalCat CARB Catalytic Converter

Part Number: WLK-84801

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 Exhaust Catalytic Converters 84804

Walker Exhaust Catalytic Converters 84804

Walker Exhaust Catalytic Converters 84804

CalCat CARB Catalytic Converter

Part Number: WLK-84804

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

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

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

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: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

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

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

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: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Walker Exhaust Catalytic Converters 84701

Walker Exhaust Catalytic Converters 84701

Walker Exhaust Catalytic Converters 84701

CalCat CARB Catalytic Converter

Part Number: WLK-84701

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Walker Ultra Universal Catalytic Converters for 2003-2006 H2, 1999-2002 INTRIGUE, 2000-2005 MONTE CARLO - 93258

Walker Ultra Universal Catalytic Converters for 2003-2006 H2, 1999-2002 INTRIGUE, 2000-2005 MONTE CARLO - 93258

Walker Ultra Universal Catalytic Converters for 2003-2006 H2, 1999-2002 INTRIGUE, 2000-2005 MONTE CARLO - 93258

Catalytic Converter, Ultra Universal, Stainless Steel Case, 2.500 in. Inlet/Outlet, 17.500 in. Length, Each

Part Number: WLK-93258

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Walker Exhaust Catalytic Converters 84803

Walker Exhaust Catalytic Converters 84803

Walker Exhaust Catalytic Converters 84803

CalCat CARB Catalytic Converter

Part Number: WLK-84803

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

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

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

Ultra EPA Manifold Converter

Part Number: WLK-14649

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

Not Yet Reviewed

Estimated Ship Date: Today

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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 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 Exhaust Catalytic Converters 84802

Walker Exhaust Catalytic Converters 84802

Walker Exhaust Catalytic Converters 84802

CalCat CARB Catalytic Converter

Part Number: WLK-84802

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

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