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BUICK Catalytic Converters

Individual Parts

Results 251 - 275 of 383

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

Part Number: CTO-4916

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

EPA OBDII Direct Fit Converter

Part Number: CTO-9879

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 12.000 in. Overall Length, Each

Part Number: WLK-84107

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 12.75 in. Overall Length, Front Right, Buick, Each

Part Number: APH-641445

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, 55.00 in. Overall Length, Buick, Chevrolet, GMC, 5.3L, Each

Part Number: APH-645784

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 48.13 in. Overall Length, Buick, Chevrolet, GMC, Isuzu, Saab, Each

Part Number: APH-645864

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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

Part Number: CTO-4876

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Catalytic Converter, Stainless Steel, Buick, Oldsmobile, Pontiac, Car, 23.375 in. Length, Each

Part Number: CTO-4890

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: CTO-9035

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Catalytic Converter with Integrated Exhaust Manifold, Manifold Preconverter

Part Number: RNB-674-484

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Manifold Converter

Part Number: RNB-673-049

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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

Part Number: RNB-674-067

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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

Part Number: RNB-674-045

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Exhaust Manifold Kit - Includes Required Hardware and Gaskets

Part Number: RNB-674-918

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Chevy, Pontiac, 3.1L, 3.4L, Each

Part Number: MPE-4481433

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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

Part Number: MPE-4481204

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Catalytic Converter, Stainless Steel, Buick, 2.0L, Rear, Each

Part Number: MPE-51707

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Catalytic Converter, Pre-Converter - Not CARB Compliant

Part Number: RNB-679-531

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Cast Iron Exhaust Manifold - Includes Hardware and Gasket

Part Number: RNB-674-901

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Catalytic Converter, Catalytic Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

Part Number: RNB-674-063

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Preconverter

Part Number: RNB-679-543

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

DF Conv 2009-2011 Buick Lucerne Rear Underbody 3.9L

Part Number: MPE-280425

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Converter - OBDII By Design Universal

Part Number: CTO-2575

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Catalytic Converters, Universal, Single 2.25 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 13.750 in. Overall Length, Each

Part Number: APH-608285

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Catalytic Converters, Direct-Fit, 3.33 in. Flare Inlet, Stock Flange Outlet, Ceramic Honeycomb Substrate, 14.00 in. Length, Front, Buick, Chevy, Each

Part Number: APH-644075

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today