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BUICK Catalytic Converters

Individual Parts

Results 1 - 25 of 156

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

Part Number: RNB-674-068

Not Yet Reviewed

Estimated Ship Date: Today

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Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Rear Position, 37.000 in. Overall Length, Buick, 2.4L, Each

Part Number: MPE-52914

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

Part Number: MPE-280173

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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, Stainless Steel Case, 14.00 in. Overall Length, Front Right, Buick, Chevrolet, GMC, Each

Part Number: APH-644167

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

Part Number: WLK-54752

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

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

Part Number: CTO-5073

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

Part Number: RNB-674-048

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, Walker CalCat Direct Fit Converter

Part Number: WLK-84589

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

Part Number: CTO-5234

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

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

Part Number: CTO-5070

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

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

Part Number: APH-643135

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

Ultra EPA Catalytic Converter

Part Number: WLK-16935

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 Converter, Federal / EPA Catalytic Converter - Direct Fit

Part Number: CTO-5372

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

Part Number: APH-644166

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 08-15 6 Cyl 3.6L Engine, Front Left

Part Number: CTO-5240

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 08-15 6 Cyl 3.6L Engine, Front Right

Part Number: CTO-5241

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

Part Number: APH-644093

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

Part Number: CTO-1495

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

Part Number: APH-645288

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

Part Number: WLK-54772

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

Part Number: WLK-15042

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

Part Number: WLK-16671

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: RNB-674-049

Not Yet Reviewed

Estimated Ship Date: Today

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Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, Ceramic Honeycomb Substrate, 55.25 in. Length, Buick, Chevy, Each

Part Number: APH-643138

Not Yet Reviewed

Estimated Ship Date: Today

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Converter-EPA Ultra-Direct Fit

Part Number: WLK-16788

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today