2003 Walker Exhaust Catalytic Converters

Walker CalCat Direct-Fit Catalytic Converters for 2002-2004 EXPLORER, MOUNTAINEER - 83574

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Ford, Mercury, Each

Part Number: WLK-83574

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 81918

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-81918

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2000-2001 A6, A6 QUATTRO, 2000-2005 PASSAT - 81668

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Audi, Volkswagen, Each

Part Number: WLK-81668

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 81711

Catalytic Converter, Cal-Cat Universal, 2.000 in. Slip Fit Inlet, 2.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-81711

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2003-2004 EXPEDITION - 83552

Converter-CalCat-Direct Fit

Part Number: WLK-83552

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2002-2003 F-150, 2004 F-150 HERITAGE - 83568

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Ford, Each

Part Number: WLK-83568

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters 83589

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Chevrolet, GMC, Each

Part Number: WLK-83589

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2003-2004 EXPEDITION - 83563

Converter-CalCat-Direct Fit

Part Number: WLK-83563

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2003-2004 EXPEDITION - 83591

Converter-CalCat-Direct Fit

Part Number: WLK-83591

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2002-2003 F-150, 2004 F-150 HERITAGE - 83557

Catalytic Converter, Cal-Cat Direct Fit, Slip Fit Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Ford, Each

Part Number: WLK-83557

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker Exhaust - Catalytic Converters for 2002-2008 COOPER - 14716

Ultra EPA Manifold Converter

Part Number: WLK-14716

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters 16354

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-16354

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Direct-Fit Catalytic Converters 642792

Not Yet Reviewed

Estimated Ship Date: May 19, 2026

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Walker CalCat Direct-Fit Catalytic Converters for 2003-2004 NAVIGATOR - 83554

Converter-CalCat-Direct Fit

Part Number: WLK-83554

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today