2003 Chevrolet Silverado 1500 Catalytic Converter

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      • Sponsored
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        MagnaFlow California CARB Compliant Direct Fit Catalytic Converter 4451419 for 2003 Chevrolet Silverado 1500
        • Part # 4451419
        • SKU # 359784
        • Location: CARB

        Application: OE Direct Fit - Factory mounting style

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. OBDII Catalytic Converter. CARB Executive Order D-193-136. Engine Family Number 3GMXT04.3184. Certification Level: LEV1 LEV. Legal for use in the state of California, New York and Maine.

        • PRICE: 2591.99
        • Location:: CARB
        • Universal Or Specific Fit: Specific
        • Oxygen Sensor Location: Pre and Post Converter
        • Inlet Gasket Included: Yes
        • Mounting Hardware Included: Yes
        • Overall Length: 47.125in
        • Hangers Included: No
        • Inlet Type: Bolt-On
        • Air Tube Count: 0
        • Heat Shield Attached: No
        • Substrate Material: Ceramic
        • Tube Material: Stainless Steel
        • Body Material: Stainless Steel
        • Inlet Mounting Hardware Included: No
        • Sensor Port Count: 4
        • Outlet Mounting Hardware Included: No
        • Outlet Gasket Included: No
        • Clamps Included: Yes
        • Outlet Type: Bolt-On
        • Finish: Stainless Steel
        • Grade Type: Regular
        • Heat Shield Material: None

      • Sponsored
        Sponsored
        MagnaFlow California CARB Compliant Direct Fit Catalytic Converter 4551419 for 2003 Chevrolet Silverado 1500
        • Part # 4551419
        • SKU # 1078478
        • Location: CARB

        Application: OE Direct Fit - Factory mounting style

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. OBDII Catalytic Converter. CARB Executive Order D-193-145. Engine Family Number 3GMXT05.3176 or 3GMXT05.3185. Certification Level: LEV1 ULEV. Legal for use in the state of California, New York and Maine.

        • PRICE: 3807.99
        • Location:: CARB
        • Universal Or Specific Fit: Specific
        • Oxygen Sensor Location: Pre and Post Converter
        • Inlet Gasket Included: Yes
        • Mounting Hardware Included: Yes
        • Overall Length: 43in
        • Hangers Included: Yes
        • Inlet Type: Bolt-On
        • Air Tube Count: 0
        • Heat Shield Attached: No
        • Substrate Material: Ceramic
        • Tube Material: Stainless Steel
        • Body Material: Stainless Steel
        • Inlet Mounting Hardware Included: No
        • Sensor Port Count: 4
        • Outlet Mounting Hardware Included: No
        • Outlet Gasket Included: No
        • Clamps Included: Yes
        • Outlet Type: Bolt-On
        • Finish: Stainless Steel
        • Grade Type: Regular
        • Heat Shield Material: None

      • Sponsored
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        MagnaFlow California CARB Compliant Universal Catalytic Converter 3in 447109 for 2003 Chevrolet Silverado 1500
        • Part # 447109
        • SKU # 274430
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. OBDII catalytic converter. 3". Front Left, Front Right. CARB Executive Order D-193-103. Engine Family Number 3GMXA06.0188. Certification Level: LEV1 LEV. OE Spec. Cutting and welding required during installation. Legal for use in the state of California, New York and Maine.

        • PRICE: 586.99
        • Location:: CARB
        • Body Width: 5.5
        • Universal Or Specific Fit: Universal
        • Substrate Material: Ceramic
        • Body Material: Stainless Steel
        • Outlet Inside Diameter: 3.0
        • Inlet Inside Diameter: 3.0
        • Body Length: 13.0
        • Overall Length: 13.0
        • Grade Type: Premium Replacement

      • Sponsored
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        MagnaFlow California CARB Compliant Universal Catalytic Converter 2.25in 455005 for 2003 Chevrolet Silverado 1500
        • Part # 455005
        • SKU # 458048
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. OBDII catalytic converter. 2.25". Left, Right. CARB Executive Order D-193-115. Engine Family Number 3GMXT05.3176, 3GMXT05.3185. Certification Level: LEV1 ULEV. OE Spec. Cutting and welding required during installation. Legal for use in the state of California, New York and Maine.

        • PRICE: 1133.99
        • Location:: CARB
        • Outlet Quantity: 1
        • Hangers Included: No
        • Air Tube Count: 0
        • Inlet Type: Weld-On
        • Heat Shield Attached: Yes
        • Body Length: 12in
        • Outlet Gasket Included: No
        • Clamps Included: No
        • Inlet Orientation: Straight
        • Inlet Quantity: 1
        • Finish: Stainless Steel
        • Heat Shield Material: Aluminized Steel
        • Universal Or Specific Fit: Universal
        • Body Shape: Oval
        • Oxygen Sensor Location: None
        • Inlet Gasket Included: No
        • Overall Length: 16in
        • Body Width: 6.375in
        • Substrate Material: Ceramic
        • Outlet Inside Diameter: 2.25in
        • Tube Material: Stainless Steel
        • Body Material: Stainless Steel
        • Sensor Port Count: 0
        • Inlet Inside Diameter: 2.25in
        • Inlet Mounting Hardware Included: No
        • Outlet Mounting Hardware Included: No
        • Body Height: 3.75in
        • Outlet Type: Weld-On
        • Outlet Orientation: Straight
        • Grade Type: Premium Replacement

      • Sponsored
        Sponsored
        MagnaFlow California CARB Compliant Universal Catalytic Converter 2.5in 445006 for 2003 Chevrolet Silverado 1500
        • Part # 445006
        • SKU # 143570
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. OBDII catalytic converter. 2.50". Left, Right. CARB Executive Order D-193-100. Engine Family Number 3GMXT05.3183, 3GMXT05.3184. Certification Level: LEV1 LEV. OE Spec. Cutting and welding required during installation. Legal for use in the state of California, New York and Maine.

        • PRICE: 858.99
        • Location:: CARB
        • Item Grade: Premium Replacement
        • Substrate Material: Ceramic
        • Format: Universal
        • Exhaust Pipe Outlet Connection Type: Single
        • Oxygen Sensor Location: No Port Location
        • Outlet Diameter (in): 2.5
        • Mount Type: Uses Factory Hangers
        • Housing Material: Stainless Steel
        • CARB Compliant: Yes
        • Exhaust Pipe Inlet Connection Type: Slip On
        • Air Tube Adaptable: Not Air Tube Kit Adaptable

      • Sponsored
        Sponsored
        MagnaFlow California CARB Compliant Universal Catalytic Converter 2.25in 445005 for 2003 Chevrolet Silverado 1500
        • Part # 445005
        • SKU # 143568
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. OBDII catalytic converter. 2.25". Left, Right. CARB Executive Order D-193-100. Engine Family Number 3GMXT06.0187. Certification Level: LEV1 LEV. OE Spec. Cutting and welding required during installation. Legal for use in the state of California, New York and Maine.

        • PRICE: 858.99
        • Location:: CARB
        • Body Width: 5.0
        • Universal Or Specific Fit: Universal
        • Substrate Material: Ceramic
        • Outlet Inside Diameter: 2.0
        • Body Material: Stainless Steel
        • Inlet Inside Diameter: 2.0
        • Body Length: 7.5
        • Overall Length: 7.5
        • Grade Type: Premium Replacement

      • Sponsored
        Sponsored
        MagnaFlow California CARB Compliant Universal Catalytic Converter 3in 445009 for 2003 Chevrolet Silverado 1500
        • Part # 445009
        • SKU # 143571
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. OBDII catalytic converter. 3". Left. CARB Executive Order D-193-100. Engine Family Number 3GMXT05.3184. Certification Level: LEV1 LEV. OE Spec. Cutting and welding required during installation. Legal for use in the state of California, New York and Maine.

        • PRICE: 858.99
        • Location:: CARB
        • Item Grade: Premium Replacement
        • Substrate Material: Ceramic
        • Format: Universal
        • Exhaust Pipe Outlet Connection Type: Flange
        • Outlet Diameter (in): 2.25
        • Oxygen Sensor Location: Pre Catalyst
        • Mount Type: Uses Factory Hangers
        • Housing Material: Stainless Steel
        • CARB Compliant: Yes
        • Exhaust Pipe Inlet Connection Type: Welded Flange
        • Air Tube Adaptable: Not Air Tube Kit Adaptable

      • Sponsored
        Sponsored
        MagnaFlow California CARB Compliant Universal Catalytic Converter 3in 447209 for 2003 Chevrolet Silverado 1500
        • Part # 447209
        • SKU # 272798
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. OBDII catalytic converter. 3". Rear Left, Rear Right. CARB Executive Order D-193-103. Engine Family Number 3GMXA06.0188. Certification Level: LEV1 LEV. OE Spec. Cutting and welding required during installation. Legal for use in the state of California, New York and Maine.

        • PRICE: 521.99
        • Location:: CARB
        • Body Width: 5.5
        • Universal Or Specific Fit: Universal
        • Substrate Material: Ceramic
        • Body Material: Stainless Steel
        • Outlet Inside Diameter: 3.0
        • Inlet Inside Diameter: 3.0
        • Body Length: 13.0
        • Overall Length: 13.0
        • Grade Type: Premium Replacement

      • Sponsored
        Sponsored
        AP Universal CARB Catalytic Converter 912036R for 2003 Chevrolet Silverado 1500
        • Part # 912036R
        • SKU # 368676
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. Optional universal converter - Sizing may be required. Front left, front right, left center or right center. CARB Executive Order D-280-101. Engine Family #3GMXT05.3183 or #3GMXT05.3184. Certification level: LEV1 LEV. 2.5" inner/ 2.5" outer diameter; 15.5" overall. Legal for use in the state of California, New York and Maine.

        • PRICE: 648.99
        • Location:: CARB

      • Sponsored
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        AP Universal CARB Catalytic Converter 912006R for 2003 Chevrolet Silverado 1500
        • Part # 912006R
        • SKU # 368675
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. Optional universal converter - Sizing may be required. Front left, front right, left center or right center. CARB Executive Order D-280-101. Engine Family #3GMXT05.3183 or #3GMXT05.3184. Certification level: LEV1 LEV. 2.5" inner/ 2.5" outer diameter; 16" overall; Round body. Legal for use in the state of California, New York and Maine.

        • PRICE: 405.99
        • Location:: CARB

      • Sponsored
        Sponsored
        AP Universal CARB Catalytic Converter 910005R for 2003 Chevrolet Silverado 1500
        • Part # 910005R
        • SKU # 368669
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. Optional universal converter - Sizing may be required. Left center or right center. CARB Executive Order D-280-101. Engine Family #3GMXT05.3184. Certification level: LEV1 LEV. 2.25" inner/ 2.25" outer diameter; 15.25" overall. Legal for use in the state of California, New York and Maine.

        • PRICE: 405.99
        • Location:: CARB

      • Sponsored
        Sponsored
        AP Universal CARB Catalytic Converter 912005R for 2003 Chevrolet Silverado 1500
        • Part # 912005R
        • SKU # 368674
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. Optional universal converter - Sizing may be required. Front left, front right, left center, rear left, rear right or right center. CARB Executive Order D-280-101. Engine Family #3GMXA06.0188 or #3GMXT06.0187. Certification level: LEV1 LEV. 2.25" inner/ 2.25" outer diameter; 16" overall; Round body. Legal for use in the state of California, New York and Maine.

        • PRICE: 405.99
        • Location:: CARB

      • Sponsored
        Sponsored
        AP Universal CARB Catalytic Converter 912005 for 2003 Chevrolet Silverado 1500
        • Part # 912005
        • SKU # 368604
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. Optional universal converter - Sizing may be required. Front left or front right. CARB Executive Order D-280-101. Engine Family #3GMXT04.3184. Certification level: LEV1 LEV. 2.25" inner/ 2.25" outer diameter; 16.5" overall. Legal for use in the state of California, New York and Maine.

        • PRICE: 475.99
        • Location:: CARB

      • Sponsored
        Sponsored
        AP Universal CARB Catalytic Converter 737006 for 2003 Chevrolet Silverado 1500
        • Part # 737006
        • SKU # 368716
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. Optional universal converter - Sizing may be required. Front left or front right. CARB Executive Order D-280-107. Engine Family #3GMXT05.3176 or #3GMXT05.3185. Certification level: LEV1 ULEV. 2.5" inner/ 2.5" outer diameter; 15.5" overall. Legal for use in the state of California, New York and Maine.

        • PRICE: 661.99
        • Location:: CARB

      • Sponsored
        Sponsored
        AP Universal CARB Catalytic Converter 912006 for 2003 Chevrolet Silverado 1500
        • Part # 912006
        • SKU # 368605
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. Front left, front right, left center, rear left, rear right or right center. CARB Executive Order D-280-101. Engine Family #3GMXA06.0188 or #3GMXT06.0187. Certification level: LEV1 LEV. 2.5" inner/ 2.5" outer diameter; 16.5" overall. Legal for use in the state of California, New York and Maine.

        • PRICE: 824.99
        • Location:: CARB

      • Sponsored
        Sponsored
        AP Universal CARB Catalytic Converter 732006 for 2003 Chevrolet Silverado 1500
        • Part # 732006
        • SKU # 368694
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. Front left or front right. CARB Executive Order D-280-107. Engine Family #3GMXT05.3176 or #3GMXT05.3185. Certification level: LEV1 ULEV. 2.5" inner/ 2.5" outer diameter; 16" overall; Round; with O2 fitting. Legal for use in the state of California, New York and Maine.

        • PRICE: 401.99
        • Location:: CARB

      • Sponsored
        Sponsored
        AP Universal CARB Catalytic Converter 739006 for 2003 Chevrolet Silverado 1500
        • Part # 739006
        • SKU # 368725
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine Family Number) found on emission label on vehicle. Optional universal converter - Sizing may be required. Front left or front right. CARB Executive Order D-280-107. Engine Family #3GMXT05.3176 or #3GMXT05.3185. Certification level: LEV1 ULEV. 2.5" inner/ 2.5" outer diameter; 15.5" overall; 5" round; with O2 fitting. Legal for use in the state of California, New York and Maine.

        • PRICE: 647.99
        • Location:: CARB

      • Sponsored
        Sponsored
        MagnaFlow HM Grade Federal EPA Compliant Universal Catalytic Converter 2.5in 99006HM for 2003 Chevrolet Silverado 1500
        • Part # 99006HM
        • SKU # 461616
        • Location: Federal

        Application: Universal - Requires cut and weld

        Notes: HM Grade converter. Left. Cutting and welding required during installation. Not for sale or use in the state of California.

        • PRICE: 276.99
        • Location:: Federal
        • Outlet Quantity: 1
        • Hangers Included: No
        • Air Tube Count: 0
        • Inlet Type: Weld-On
        • Heat Shield Attached: Yes
        • Body Length: 12in
        • Outlet Gasket Included: No
        • Clamps Included: No
        • Inlet Orientation: Straight
        • Inlet Quantity: 1
        • Finish: Stainless Steel
        • Heat Shield Material: Aluminized Steel
        • Universal Or Specific Fit: Universal
        • Body Shape: Oval
        • Oxygen Sensor Location: None
        • Inlet Gasket Included: No
        • Overall Length: 16in
        • Body Width: 5.5in
        • Substrate Material: Ceramic
        • Tube Material: Stainless Steel
        • Outlet Inside Diameter: 2.5in
        • Body Material: Stainless Steel
        • Sensor Port Count: 0
        • Inlet Inside Diameter: 2.5in
        • Inlet Mounting Hardware Included: No
        • Outlet Mounting Hardware Included: No
        • Body Height: 3.75in
        • Outlet Type: Weld-On
        • Outlet Orientation: Straight

      • Sponsored
        Sponsored
        Walker Universal CARB Catalytic Converter 83508 for 2003 Chevrolet Silverado 1500
        • Part # 83508
        • SKU # 381010
        • Location: CARB

        Application: Universal - Requires cut and weld

        Notes: Verify EFN (Engine family number) found on emission label on vehicle. Calcat converter. Left, right. Engine family #3GMXT04.3184. Executive order #D-182-69. Modifications and/or additional parts required. Legal for use in the state of California, New York and Maine.

        • PRICE: 554.99
        • Location:: CARB

      • Sponsored
        Sponsored
        MagnaFlow HM Grade Federal EPA Compliant Direct Fit Catalytic Converter 93419 for 2003 Chevrolet Silverado 1500
        • Part # 93419
        • SKU # 937727
        • Location: Federal

        Application: OE Direct Fit - Factory mounting style

        Notes: HM Grade Converter. Not for sale or use in the state of California.

        • PRICE: 814.99
        • Location:: Federal

      • Sponsored
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        MagnaFlow Direct Fit Federal Catalytic Converter 93602-BX for 2003 Chevrolet Silverado 1500
        • Part # 93602-BX
        • SKU # 938023
        • Location: Federal

        Application: OE Direct Fit - Factory mounting style

        Notes: HM Grade Converter. Right. Not for sale or use in the state of California.

        • PRICE: 759.99
        • Location:: Federal

      • Sponsored
        Sponsored
        MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 51097 for 2003 Chevrolet Silverado 1500
        • Part # 51097
        • SKU # 514361
        • Location: Federal

        Application: OE Direct Fit - Factory mounting style

        Notes: OEM grade converter. Not for sale or use in the state of California.

        • PRICE: 1047.99
        • Location:: Federal
        • Hangers Included: No
        • Inlet Type: Bolt-On
        • Air Tube Count: 0
        • Heat Shield Attached: Yes
        • Body Length: 40.25
        • Outlet Gasket Included: No
        • Clamps Included: Yes
        • Finish: Stainless Steel
        • Heat Shield Material: Aluminized Steel
        • Universal Or Specific Fit: Specific
        • Oxygen Sensor Location: Pre and Post Converter
        • Inlet Gasket Included: Yes
        • Mounting Hardware Included: Yes
        • Overall Length: 41.75in
        • Body Width: 40.25
        • Substrate Material: Ceramic
        • Outlet Inside Diameter: 2.5
        • Tube Material: Stainless Steel
        • Body Material: Stainless Steel
        • Inlet Mounting Hardware Included: No
        • Sensor Port Count: 4
        • Inlet Inside Diameter: 2.5
        • Outlet Mounting Hardware Included: No
        • Outlet Type: Bolt-On
        • Grade Type: Regular

      • Sponsored
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        MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 49649 for 2003 Chevrolet Silverado 1500
        • Part # 49649
        • SKU # 75364
        • Location: Federal

        Application: OE Direct Fit - Factory mounting style

        Notes: OEM grade converter. Right. Not for sale or use in the state of California.

        • PRICE: 949.99
        • Location:: Federal
        • Universal Or Specific Fit: Specific
        • Oxygen Sensor Location: Pre and Post Converter
        • Inlet Gasket Included: Yes
        • Overall Length: 37.75in
        • Mounting Hardware Included: Yes
        • Hangers Included: Yes
        • Inlet Type: Bolt-On
        • Air Tube Count: 0
        • Heat Shield Attached: Yes
        • Substrate Material: Ceramic
        • Tube Material: Stainless Steel
        • Body Material: Stainless Steel
        • Inlet Mounting Hardware Included: No
        • Sensor Port Count: 2
        • Outlet Mounting Hardware Included: No
        • Outlet Gasket Included: No
        • Clamps Included: No
        • Outlet Type: Bolt-On
        • Finish: Stainless Steel
        • Grade Type: Regular
        • Heat Shield Material: Aluminized Steel

      • Sponsored
        Sponsored
        MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 51878 for 2003 Chevrolet Silverado 1500
        • Part # 51878
        • SKU # 550205
        • Location: Federal

        Application: OE Direct Fit - Factory mounting style

        Notes: OEM grade converter. Left. Not for sale or use in the state of California.

        • PRICE: 861.99
        • Location:: Federal
        • Hangers Included: Yes
        • Inlet Type: Bolt-On
        • Air Tube Count: 0
        • Heat Shield Attached: Yes
        • Body Length: 9.6
        • Outlet Gasket Included: No
        • Clamps Included: Yes
        • Finish: Stainless Steel
        • Heat Shield Material: Aluminized Steel
        • Universal Or Specific Fit: Specific
        • Oxygen Sensor Location: Pre and Post Converter
        • Inlet Gasket Included: Yes
        • Mounting Hardware Included: Yes
        • Overall Length: 49.75in
        • Body Width: 4.0
        • Substrate Material: Ceramic
        • Outlet Inside Diameter: 2.5
        • Tube Material: Stainless Steel
        • Body Material: Stainless Steel
        • Inlet Mounting Hardware Included: No
        • Sensor Port Count: 2
        • Inlet Inside Diameter: 2.5
        • Outlet Mounting Hardware Included: No
        • Outlet Type: Clamp-On
        • Grade Type: Regular