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BUICK Catalytic Converters

Individual Parts

Results 1 - 25 of 71

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

Part Number: MPE-51206

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

This product may not be eligible for select promotional offers

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

Part Number: MPE-280173

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

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

Part Number: RNB-674-048

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 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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This product may not be eligible for select promotional offers

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, Direct-Fit, Stock Flange, Stainless Steel, Buick, Chevy, Front, Each

Part Number: RNB-674-854

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, Universal, 2.5 Inlet, 2.5 in. Outlet, Slip Fit, Stainless Steel, Ceramic Honeycomb, Each

Part Number: APH-608226

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 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: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Catalytic Converter, Stainless Steel, Buick, Pontiac, 3.8L, Front, Each

Part Number: MPE-51333

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 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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This product may not be eligible for select promotional offers

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: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84355

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Ultra EPA Catalytic Converter

Part Number: WLK-16870

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

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

Part Number: WLK-16776

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Ultra EPA Catalytic Converter

Part Number: WLK-14712

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Manifold Converter - CARB Compliant

Part Number: RNB-673-854

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, Stainless Steel, Buick, Oldsmobile, 37.25 in. Length, 3.1L, Each

Part Number: MPE-23460

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, 3.8L V6, Each

Part Number: MPE-23531

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, 3.1L, Each

Part Number: MPE-23498

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, Stock Flange Inlet, 2.50 in. Slip Fit Outlet, 38.38 in. Overall Length, Buick, Oldsmobile, Pontiac, Each

Part Number: APH-642706

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

Catalytic Converter, Stainless Steel, Buick, Oldsmobile, Pontiac, 3.8L, Front, Each

Part Number: MPE-23128

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, 3.1L, Each

Part Number: MPE-23406

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, 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

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