2003 CADILLAC Catalytic Converters

Catalytic Converter, Stainless Steel, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, Front, Each

Part Number: MPE-93419

3.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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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, Direct Fit, Stainless Steel, Cadillac, Chevy, GMC, Each

Part Number: MPE-51097

4.5 out of 5 stars ( 2 )

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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, Direct Fit, Stainless Case, Ceramic Substrate, Cadillac, Chevy, GMC, Each

Part Number: FLO-2010019

4.63 out of 5 stars ( 79 )

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Catalytic Converter, Direct Fit, Stainless Steel, Cadillac, Chevy, GMC, Each

Part Number: WLK-83482

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Oversize $54.99

Catalytic Converter, Heavy Metal, Stainless Steel, Each

Part Number: MPE-99209HM

5.0 out of 5 stars ( 2 )

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Catalytic Converter, Stainless Steel, Cadillac, GMC, 6.0L, Passenger Side, Each

Part Number: MPE-93602

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Estimated Ship Date: May 4, 2026 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Chevy, GMC, 4.8, 5.3L, Each

Part Number: WLK-50511

4.39 out of 5 stars ( 28 )

Estimated Ship Date: Today

• Oversize $54.99

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

Part Number: MPE-51204

4.33 out of 5 stars ( 3 )

Estimated Ship Date: May 4, 2026 if ordered today

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Catalytic Converters, Universal, Single 3.00 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 16.50 in. Overall Length, Chevy, GMC, Each

Part Number: APH-608227

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Catalytic Converters, Universal, 3-way, Stainless Steel Case, 2.000 in. Slip Fit Inlet/Outlet, 13.000 in. Overall Length, Each

Part Number: MPE-99204HM

3.0 out of 5 stars ( 2 )

Estimated Ship Date: May 4, 2026 if ordered today

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Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each

Part Number: APH-608265

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Estimated Ship Date: May 4, 2026 if ordered today

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Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Cadillac, Each

Part Number: WLK-16686

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Catalytic Converter, Stainless Steel, Cadillac, 3.2L, Passenger Side, Each

Part Number: MPE-51137

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Catalytic Converters, Universal, 2.00 in. Slip Fit Inlet, 14.00 in. Overall Length, for Hyundai, for Kia, for Nissan, Chevy, Chrysler, Toyota, Each

Part Number: APH-840004

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Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Cadillac, Chevrolet, GMC, Each

Part Number: WLK-83497

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Estimated Ship Date: May 5, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Cadillac, Oldsmobile, V8, Each

Part Number: MPE-93150

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Estimated Ship Date: May 4, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.09 in. Slip Fit Outlet, 60.00 in. Overall Length, Cadillac, 4.6L, Each

Part Number: APH-645999

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Estimated Ship Date: May 1, 2026 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-16166

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Estimated Ship Date: May 5, 2026 if ordered today

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• Oversize $15.99
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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Cadillac, 4.6L, Each

Part Number: MPE-4481202

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Estimated Ship Date: May 4, 2026 if ordered today

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Direct Fit Converter, Conv DF 2003 Cadillac CTS 3.2L

Part Number: MPE-4481699

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Estimated Ship Date: May 4, 2026 if ordered today

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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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Estimated Ship Date: May 4, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Cadillac, Oldsmobile, V8, Center, Each

Part Number: MPE-51762

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Estimated Ship Date: May 4, 2026 if ordered today

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Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each

Part Number: APH-608705

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Estimated Ship Date: May 4, 2026 if ordered today

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