1998 GMC Catalytic Converters

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, Cal-Cat Universal, 2.000 in. Slip Fit Inlet, 2.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-83506

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Catalytic Converter, Cal-Cat Universal, 3.000 in. Slip Fit Inlet, 3.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-83509

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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-83403

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Catalytic Converters, Universal, 3-way, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 13.000 in. Overall Length, Each

Part Number: MPE-447206

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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

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 48.75 in. Overall Length, Cadillac, Chevrolet, GMC, Each

Part Number: APH-645328

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 21.75 in. Overall Length, Chevrolet, GMC, Isuzu, Each

Part Number: APH-645372

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 27.50 in. Overall Length, Chevrolet, GMC, Isuzu, Each

Part Number: APH-642543

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Catalytic Converter, Stainless Steel Case, Chevy, GMC, Oldsmobile, Each

Part Number: WLK-15827

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Feb 17, 2026 if ordered today

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Catalytic Converter, Stainless Steel, 2.25 in. Inlet, 2.25 in. Outlet, 15.0 in. Length, Universal, Each

Part Number: MPE-418005

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Catalytic Converter, Stainless Steel, Chevy, GMC, 49.0 in. Length, 7.4L, Each

Part Number: CTO-9703

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Catalytic Converter, Stainless Steel, Ceramic Honeycomb, Each

Part Number: MPE-447106

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Catalytic Converter, Stainless Steel, Chevy, GMC, Isuzu, Pickup, 27.25 in. Length, 2.2L

Part Number: MPE-23462

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Catalytic Converter, Stainless Steel, Chevy, GMC, 2.2L, Center, Each

Part Number: MPE-51463

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Catalytic Converter, 3.0 in. Inlet, Two 2 in. Outlets, 16.0 in. Length, Each

Part Number: MPE-51047

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Catalytic Converters, Universal, Stainless Steel Case, Two 2.000 in. Slip Fit Inlets, One 3.000 in. Slip Fit Outlet, 16.000 in. Overall Length, Each

Part Number: MPE-99047HM

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 31.50 in. Overall Length, Chevrolet, GMC, Isuzu, Each

Part Number: APH-642710

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Catalytic Converters, Direct-Fit, Stock Flange Inlet, 3.00 in. Slip Fit Outlet, 61.75 in. Overall Length, Right, Chevrolet, GMC, Each

Part Number: APH-645996

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 27.75 in. Overall Length, Chevrolet, GMC, Oldsmobile, Each

Part Number: APH-642514

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Catalytic Converter, Stainless Steel, Chevy, GMC, Oldsmobile, 4.3L, Each

Part Number: CTO-4792

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Chevy, GMC, Pickup, 48.625 in. Length, 4.3, 5.0, 5.7L, Each

Part Number: CTO-9720

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Estimated Ship Date: Feb 9, 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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Catalytic Converter, Stainless Steel, Chevy, GMC, Pickup, 21.75 in. Length, 4.3L, Each

Part Number: CTO-9881

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 48.63 in. Overall Length, Chevrolet, GMC, Each

Part Number: APH-645946

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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