BUICK REGAL Catalytic Converters

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-82904

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Estimated Ship Date: May 14, 2026 if ordered today

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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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Estimated Ship Date: May 12, 2026 if ordered today

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Catalytic Converter, Stainless Steel, 2.00 in. Inlet, 2.00 in. Outlet, 15.0 in. Length, Universal, Each

Part Number: MPE-418004

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Estimated Ship Date: May 12, 2026 if ordered today

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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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Estimated Ship Date: May 12, 2026 if ordered today

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Catalytic Converter, EPA OBDII direct fit catalytic converter

Part Number: CTO-1474

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converters, Universal, Single 2.25 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 16.00 in. Overall Length, Each

Part Number: APH-608215

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Estimated Ship Date: May 11, 2026 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-81302

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Estimated Ship Date: May 14, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 41.00 in. Overall Length, Rear, Buick, Chevrolet, Each

Part Number: APH-644102

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converter, Federal / EPA Catalytic Converter - Direct Fit

Part Number: CTO-5308

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converter, California Grade, Universal, Stainless Steel Case, 16.000 in. Overall Length, 2.000 in. Inlet/Outlet, Each

Part Number: MPE-448304

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Estimated Ship Date: May 12, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Direct Fit, Buick, Chevy, Oldsmobile, Pontiac, 3.8L, Each

Part Number: MPE-23405

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 12, 2026 if ordered today

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

Part Number: MPE-51707

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Estimated Ship Date: May 12, 2026 if ordered today

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

Part Number: MPE-51703

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Estimated Ship Date: May 12, 2026 if ordered today

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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

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Estimated Ship Date: May 12, 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, Universal, Each

Part Number: WLK-84302

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Estimated Ship Date: May 21, 2026 if ordered today

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Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each

Part Number: APH-608735

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Estimated Ship Date: May 11, 2026 if ordered today

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CATALYTIC CONVERTER

Part Number: WLK-81328

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Estimated Ship Date: May 13, 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: May 13, 2026 if ordered today

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Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 17.500 in. Overall Length, Each

Part Number: WLK-82618

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 14, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 37.38 in. Overall Length, Buick, Chevy, Olds, Pontiac, Each

Part Number: APH-642583

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converters, Converter - Direct Fit

Part Number: CTO-5298

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 21.00 in. Overall Length, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: APH-642353

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converter, Universal Catalytic Converter - 2.5in.

Part Number: MPE-448306

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Estimated Ship Date: May 12, 2026 if ordered today

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Catalytic Converter, California Grade CARB Compliant Direct-Fit Catalytic Converter, Stainless Steel, Chevy, GMC, Each

Part Number: MPE-3322418

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Estimated Ship Date: May 12, 2026 if ordered today

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

Part Number: MPE-94026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 12, 2026 if ordered today

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