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BUICK Catalytic Converters

Individual Parts

Results 1 - 25 of 385

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

Part Number: MPE-51209

4.5 out of 5 stars ( 2 )

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

Part Number: MPE-51206

4.0 out of 5 stars ( 5 )

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

Part Number: MPE-51205

5.0 out of 5 stars ( 1 )

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Catalytic Converter, CalCat Universal, One Inlet, 2.50 in., One Outlet, 2.50 in. Stainless Steel, Monolithic Catalyst, Each

Part Number: WLK-83508

5.0 out of 5 stars ( 2 )

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Catalytic Converter, Stainless Steel, Universal, 2 1/2 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94006

5.0 out of 5 stars ( 6 )

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Catalytic Converter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, 23.00 in. Length, V6/V8, Each

Part Number: MPE-93456

5.0 out of 5 stars ( 1 )

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Catalytic Converter, Heavy Metal, Stainless Steel, 2.25 in. Inlet/Outlet, 13.0 in. Length, Each

Part Number: MPE-99205HM

5.0 out of 5 stars ( 1 )

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Catalytic Converter, Heavy Metal, Stainless Steel, Each

Part Number: MPE-99206HM

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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: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Catalytic Converters, Universal, Single 2.50 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 14.00 in. Overall Length, Each

Part Number: APH-602206

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Catalytic Converter, Direct Fit, Stainless Steel, Buick, Chevy, Pontiac, Each

Part Number: MPE-24221

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Catalytic Converter, Stainless Steel, Universal, 2 1/4 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94005

5.0 out of 5 stars ( 2 )

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Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94016

5.0 out of 5 stars ( 1 )

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Catalytic Converters, Stainless Steel Case, 2.25 in. Slip Fit Inlet/Outlet, 14.00 in. Overall Length, Audi, Chevy, Chrysler, Ford, Jeep, Toyota, Each

Part Number: APH-602205

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Catalytic Converter, Stainless Steel, Universal, 2 in. Inlet/Outlet, 13 in. Length, Each

Part Number: MPE-53004

5.0 out of 5 stars ( 5 )

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Catalytic Converter, Universal, Stainless Steel, 2.5 in. Inlet/Outlet, 13.5 in. Length, Each

Part Number: WLK-93238

5.0 out of 5 stars ( 2 )

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Catalytic Converter, Heavy Metal, Stainless Steel, Each

Part Number: MPE-99209HM

5.0 out of 5 stars ( 2 )

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Catalytic Converters, Universal, 3-way, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 9.000 in. Overall Length, Each

Part Number: MPE-408005

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Oldsmobile, Pontiac, 21 in. Length, , 3.8, 4.1, 5.0L

Part Number: MPE-23427

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 17, 2026 if ordered today

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Catalytic Converters, Universal, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 12.00 in. Overall Length, Audi, BMW, Chevy, Ford, Toyota, Each

Part Number: WLK-84205

5.0 out of 5 stars ( 1 )

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Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, 29.5 in. Length, 4.3, 5.7L, Passenger Side, Each

Part Number: MPE-23470

5.0 out of 5 stars ( 2 )

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CalCat CARB Catalytic Converter

Part Number: WLK-81327

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 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: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Catalytic Converters, Universal, Single 2.50 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 16.00 in. Overall Length, Each

Part Number: APH-608216

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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 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today