BUICK Catalytic Converters

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Substrate, 54.63 in. Overall Length, Buick, Each

Part Number: APH-643135

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Stainless Steel Case, 14.00 in. Overall Length, Front Right, Buick, Chevrolet, GMC, Each

Part Number: APH-644167

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-068

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Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Buick, Chevy, Each

Part Number: CTO-5073

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Catalytic Converter 08-15 6 Cyl 3.6L Engine, Front Left

Part Number: CTO-5240

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Estimated Ship Date: Nov 4, 2025 if ordered today

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

Part Number: WLK-54772

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Estimated Ship Date: Tomorrow

• Oversize $7.99

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

Part Number: WLK-54752

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Catalytic Converters, OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter, Buick, Chevrolet, Each

Part Number: MPE-280173

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Estimated Ship Date: Nov 7, 2025 if ordered today

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

Part Number: WLK-15042

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converter, Direct Fit, Stainless Steel Case, Buick, Chevy, GMC, Isuzu, Saab, Each

Part Number: WLK-16671

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Catalytic Converter 11 4 Cyl. Buick Regal, 2.0L Engine, Rear

Part Number: CTO-5234

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Buick, Each

Part Number: CTO-5070

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-048

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Estimated Ship Date: Tomorrow

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Catalytic Converter, Federal / EPA Catalytic Converter - Direct Fit

Part Number: CTO-5372

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-049

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Ultra EPA Catalytic Converter

Part Number: WLK-16935

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Stainless Steel Case, 17.00 in. Overall Length, Front Left, Buick, Chevrolet, GMC, Each

Part Number: APH-644166

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Catalytic Converter 08-15 6 Cyl 3.6L Engine, Front Right

Part Number: CTO-5241

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 38.00 in. Overall Length, Buick, Each

Part Number: APH-644093

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Catalytic Converter, Direct Fit, Stainless Steel, 12.50 in. Length, Chevy, Each

Part Number: CTO-1495

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.58 in. Slip Fit Outlet, 20.00 in. Overall Length, Buick, Cadillac, Pontiac, Each

Part Number: APH-645288

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Buick, Chevrolet, GMC, Saturn, Each

Part Number: WLK-16710

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Estimated Ship Date: Tomorrow

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Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Buick, Chevrolet, GMC, Saturn, Each

Part Number: WLK-16574

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Buick, Chevrolet, GMC, Saturn, Each

Part Number: WLK-16709

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Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Buick, Chevrolet, Each

Part Number: WLK-16777

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