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BUICK Catalytic Converters

Individual Parts

Results 1 - 25 of 65

Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, Audi, BMW, Chevy, Dodge, Each

Part Number: MPE-3322305

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

This product may not be eligible for select promotional offers

Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Saturn, 3.6L, Front Forward, Each

Part Number: MPE-49445

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

This product may not be eligible for select promotional offers

Catalytic Converter 12-15 4 Cyl. Mazda 5, 2.5L Engine, Front, Manifold Unit

Part Number: CTO-5281

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.25 in. Slip Fit Inlet/Outlet, 9.125 in. Length, Each

Part Number: MPE-5411205

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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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: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

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

Part Number: WLK-16671

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Estimated Ship Date: Today

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Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Saturn, 3.6L, Front Rearward, Each

Part Number: MPE-49446

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

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

Part Number: CTO-5070

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, For use on Acure®, Alfa Romeo, Each

Part Number: MPE-3322304

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

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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: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, Audi, Volvo, Each

Part Number: MPE-3322306

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.50 in. Slip Fit Inlet/Outlet, 7 in. Length, Each

Part Number: MPE-551006

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.25 in. Slip Fit Inlet/Outlet, 11.125 in. Length, Each

Part Number: MPE-5411305

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Stainless Steel Case, 33.00 in. Overall Length, Buick, 3.6L, Each

Part Number: APH-644064

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Catalytic Converter 10-11 6 Cyl. Buick LaCrosse, 3.6L Engine, Front Right

Part Number: CTO-5349

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Catalytic Converter, Direct Fit, Stainless Steel, 16.00 in. Length, Buick, Chevy, Each

Part Number: CTO-1504

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, 57.00 in. Overall Length, Rear, Buick, Cadillac, 3.6L, Each

Part Number: APH-644103

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Substrate, 16.00 in. Overall Length, Buick, Chevrolet, 2.0L, Each

Part Number: APH-641600

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Converter - Direct Fit EPA

Part Number: APH-641628

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

EPA OBDII Direct Fit Converter

Part Number: CTO-1345

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

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

Part Number: MPE-51703

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

This product may not be eligible for select promotional offers

Catalytic Converter, Stainless Steel, Buick, Chevy, Oldsmobile, Pontiac, 3.4L, Center, Each

Part Number: MPE-51845

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

This product may not be eligible for select promotional offers

Catalytic Converters, Direct-Fit, Three Stock Flange Inlets, One Stock Flange Outlet, 22.00 in. Overall Length, Front, Buick, Saab, 2.0L, Each

Part Number: APH-641570

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

Preconverter

Part Number: RNB-679-543

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Catalytic Converter, Pre-Converter - Not CARB Compliant

Part Number: RNB-679-531

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

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