BUICK Catalytic Converters

Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84589

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-81918

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Estimated Ship Date: Feb 10, 2026 if ordered today

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

Part Number: MPE-5461205

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Catalytic Converters, Universal, Stainless Steel Case, 3.000 in. Slip Fit Inlet, 2.750 in. Slip Fit Outlet, 16.500 in. Overall Length, Each

Part Number: WLK-84507

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84585

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Converter-CalCat-Direct Fit

Part Number: WLK-84582

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Conv Univ 2.50" Spun CA

Part Number: MPE-4651306

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Manifold Converter

Part Number: RNB-673-049

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Pontiac, 3.8L, 4.6L, Each

Part Number: MPE-4561333

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter, Universal, 13.000 in. Length, 2.500 in. Inlet and Outlet, Each

Part Number: MPE-5451306

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 16.000 in. Overall Length, Each

Part Number: MPE-5592306

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 16.000 in. Overall Length, Each

Part Number: MPE-5592305

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Catalytic Converter, California Grade, Universal, Stainless Steel Case, 9.000 in. Overall Length, 2.500 in. Inlet/Outlet, Each

Part Number: MPE-5551206

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 13.875 in. Overall Length, Buick, Chevy, Each

Part Number: MPE-551092

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Catalytic Converter, Stainless Steel, Each

Part Number: MPE-49650

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Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.50 in. Slip Fit Inlet/Outlet, 9 in. Length, Each

Part Number: MPE-5561206

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

Part Number: MPE-4481405

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

Part Number: MPE-4481433

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Catalytic Converter, Direct-Fit, Front, Buick, GMC, Saturn, 3.6L, Each

Part Number: MPE-5451445

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Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 3 in. Slip Fit Inlet/Outlet, 8.75 in. Length, Each

Part Number: MPE-5461209

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Rear, 21.625 in. Overall Length, Buick, Chevy, GMC, Saturn, 3.6L, Each

Part Number: MPE-5592579

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter

Part Number: MPE-557000

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Catalytic Converter, Stainless Steel, Buick, 3.0, 3.6L, Rear, Each

Part Number: MPE-52000

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

Part Number: MPE-4561396

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Chevrolet, Each

Part Number: MPE-5411905

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