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

5.0 out of 5 stars ( 1 )

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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 16, 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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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 16, 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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Catalytic Converter, Stainless Steel Case, Chevy, GMC, Oldsmobile, Each

Part Number: WLK-15827

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Feb 18, 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, Chevy, GMC, Van, 4.3, 5.0L, Each

Part Number: MPE-23414

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Catalytic Converter, Stainless Steel, Chevy, GMC, Isuzu, 4.3L, Rear, Each

Part Number: MPE-447213

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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, 31.50 in. Overall Length, Chevrolet, GMC, Isuzu, Each

Part Number: APH-642710

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Catalytic Converter, Stainless Steel, Chevy, Pickup, SUV, 4.3L, Each

Part Number: CTO-1192

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 10, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Chevy, GMC, Pickup, 31.5 in. Length, 4.3L, Each

Part Number: CTO-4977

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: CTO-9080

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Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each

Part Number: APH-608736

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Catalytic Converters, Catalytic Converter - Universal, OBDII Select Plus

Part Number: APH-608737

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Catalytic Converter, Stainless Steel, Chevy, GMC, Isuzu, Pickup, 27.50 in. Length, 2.2L, Each

Part Number: CTO-4819

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 34.75 in. Overall Length, Front, Chevrolet, GMC, Olds, Each

Part Number: APH-641166

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Catalytic Converter, Direct-Fit, Stainless Steel, Chevy, GMC, Oldsmobile, 4.3L, Each

Part Number: MPE-447212

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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 16, 2026 if ordered today

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