2004 CHEVROLET IMPALA Catalytic Converters

Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51206

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Catalytic Converter, Stainless Steel, Direct Fit, Buick, Chevy, Pontiac, 41.50 in. Length, 3.1, 3.4L, Each

Part Number: CTO-4850

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Estimated Ship Date: May 5, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Direct Fit, Buick, Chevy, Oldsmobile, Pontiac, 3.8L, Each

Part Number: MPE-23405

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 7, 2026 if ordered today

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Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.50 in. Slip Fit Inlet/Outlet, 9 in. Length, Each

Part Number: MPE-5461206

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Estimated Ship Date: May 7, 2026 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Chevy, Pontiac, 3.8L, Each

Part Number: MPE-4561396

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Estimated Ship Date: May 7, 2026 if ordered today

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Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 17.500 in. Overall Length, Each

Part Number: WLK-82618

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 17.500 in. Overall Length, Each

Part Number: WLK-84513

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Estimated Ship Date: May 11, 2026 if ordered today

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Converter-CalCat-Direct Fit

Part Number: WLK-84597

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converter, Direct Fit, Stainless Steel, Buick, Chevy, Pontiac, Each

Part Number: MPE-51396

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Estimated Ship Date: May 8, 2026 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54627

5.0 out of 5 stars ( 6 )

Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Chevy, Pontiac, V6, Center, Each

Part Number: MPE-51532

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Estimated Ship Date: May 8, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Chevy, Oldsmobile, Pontiac, 37.375 in. Length, 3.8L, Each

Part Number: CTO-4876

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Estimated Ship Date: May 7, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 37.38 in. Overall Length, Buick, Chevy, Olds, Pontiac, Each

Part Number: APH-642583

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Estimated Ship Date: May 7, 2026 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Chevy, 3.4L, Each

Part Number: MPE-5461532

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Estimated Ship Date: May 8, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Chevy, 3.1L, 3.4L, Each

Part Number: MPE-23433

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Estimated Ship Date: May 6, 2026 if ordered today

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Catalytic Converters, Universal, Single 2.50 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 12.250 in. Overall Length, Each

Part Number: APH-608416

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Estimated Ship Date: May 7, 2026 if ordered today

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Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each

Part Number: APH-608736

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Estimated Ship Date: May 7, 2026 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54626

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84585

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 41.50 in. Overall Length, Buick, Chevrolet, Pontiac, Each

Part Number: APH-642525

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Estimated Ship Date: May 5, 2026 if ordered today

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Exhaust Manifold Kit - Includes Required Hardware and Gaskets

Part Number: RNB-674-918

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each

Part Number: APH-608735

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Estimated Ship Date: May 7, 2026 if ordered today

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Catalytic Converters, Universal, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 17.375 in. Overall Length, Each

Part Number: WLK-84502

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Estimated Ship Date: May 11, 2026 if ordered today

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