Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for 2003 Chevrolet Silverado 3500 Catalytic Converter

2003 Chevrolet Silverado 3500 Catalytic Converter

My Vehicle Change Vehicle
2003 Chevrolet Silverado 3500
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Catalytic Converters
  • Department
  • Brands
  • Prices

13 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM 2003 Chevrolet Silverado 3500 Converter & Pipe Diagram - 10395214
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 3500 Converter & Pipe

    PartNumber: 10395214
    OEM 2003 Chevrolet Silverado 3500 Converter & Pipe - 10395214
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe, Front Pipe
    • Item Dimensions: 51.8 x 20.2 x 15.2 inches
    • Item Weight: 20.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19420109
    • Part Description: 2003 Chevrolet Silverado 3500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | Base, LS, LT | 8 Cyl 6.0 L GAS
    $1230.69 MSRP: $1843.58
    You Save: $612.89 (34%)
  • OEM 2003 Chevrolet Silverado 3500 Converter & Pipe Diagram - 10395213
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 3500 Converter & Pipe

    PartNumber: 10395213
    OEM 2003 Chevrolet Silverado 3500 Converter & Pipe - 10395213
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe, Front Pipe
    • Item Dimensions: 40.2 x 11.3 x 7.1 inches
    • Item Weight: 17.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19420124
    • Part Description: 2003 Chevrolet Silverado 3500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | Base, LS, LT | 8 Cyl 6.0 L GAS
    $946.54 MSRP: $1415.00
    You Save: $468.46 (34%)
  • Davico Direct Fit Catalytic Converter for 2003 Chevrolet Silverado 3500 - 19286

    Davico® Direct Fit Catalytic Converter for 2003 Chevrolet Silverado 3500

    PartNumber: 19286
    Product Specifications
    • Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Calif Emissions; OE is welded Assy Cut to fit; GVW 10,000 - 14,000; Outlet fits over 3"OD pipe
    • Gaskets Included: Yes
    • Height: 4.5
    • Inlet 1 Type: 2 Bolt Fixed Flange
    • Large Pkg. Fee: No
    • Number of O2 Sensors: 1
    • Outlet 1 Type: Slip Fit
    • Over All Length: 27.5
    • Packaging Type: Boxed
    • UPC: 841809118653
    • Use Davico Decarbonizing Induction Kit 1540ea: Yes
    • Width: 7
    • Part Description: 2003 Chevrolet Silverado 3500 Direct Fit Catalytic Converter
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 3500 | All Trims | 8 Cyl 8.1L
  • MagnaFlow Universal Catalytic Converter for 2003 Chevrolet Silverado 3500 - 4451309

    MagnaFlow® Universal Catalytic Converter for 2003 Chevrolet Silverado 3500

    PartNumber: 4451309
    Product Specifications
    • Notes: CARB Executive Order D-193-136;Engine Family Number 3GMXH06.0583;Certification Level : LEV1 LEV; OE Spec; Cutting & Welding Reqd During Installation
    • Air Tube Adaptable: No
    • Body Height: 4
    • Body Length: 12.75
    • Body Shape: Round
    • Body Type: Spun
    • Body Width: 4
    • Finish: Stainless Steel
    • Heat Shield Attached: No
    • Inlet Attachment: Weld-On
    • Inlet Diameter: 3
    • Inlet Orientation: Straight
    • Inlet Quantity: 1
    • Material: Stainless Steel
    • Outlet Attachment: Weld-On
    • Outlet Diameter: 3
    • Outlet Orientation: Straight
    • Outlet Quantity: 1
    • Overall Length: 12.75
    • Sensor Port Count: 0
    • Series: California
    • Substrate Material: Ceramic
    • Title: California Universal
    • UPC: 888563103945
    • Part Description: 2003 Chevrolet Silverado 3500 Universal Catalytic Converter
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | All Trims | 8 Cyl 6.0L
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for 2003 Chevrolet Silverado 3500 - 19373

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for 2003 Chevrolet Silverado 3500

    PartNumber: 19373
    Product Specifications
    • Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Calif Emissions
    • Catalytic Converter Overall Length: 56"
    • Converter Configuration: Direct Fit
    • Inlet Type: 3 Bolt Fixed Flange
    • O2 Sensor Port: Yes
    • Outlet Type: 3" OD
    • Position: Driver Side
    • UPC: 841809137418
    • Part Description: 2003 Chevrolet Silverado 3500 Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 3500 | All Trims | 8 Cyl 8.1L
  • MagnaFlow Universal Catalytic Converter for 2003 Chevrolet Silverado 3500 - 447109

    MagnaFlow® Universal Catalytic Converter for 2003 Chevrolet Silverado 3500

    PartNumber: 447109
    Product Specifications
    • Notes: Engine Family Number 3GMXA06.0188;Engine Family Number 3GMXA08.1203;CARB Executive Order D-193-103;Certification Level : LEV1 LEV; OE Spec; Cutting & Welding Reqd During Installation
    • Air Tube: No
    • Body Type: Clam Shell
    • Catalytic Converter Body Length: 9"
    • Catalytic Converter Body Shape: Oval
    • Catalytic Converter Format: Pre-Catalytic Converter and Main Catalytic Converter
    • Catalytic Converter Overall Length: 13"
    • Catalytic Converter Oxygen Sensor Location: None
    • Catalytic Converter Substrate Material: Ceramic
    • Catalytic Converter Width: 5.5"
    • Catalytic Inlet Diameter: 3"
    • Catalytic Outlet Diameter: 3"
    • Catalytic Series: OBDII
    • Converter Body Material: Stainless Steel
    • Converter Configuration: Universal Fit
    • Inlet Connection Type: Weld-On
    • Inlet Position: Center
    • Installation Complexity: Professional Installation Recommended
    • Main Piping Diameter: 3"
    • O2 Sensor Port: No
    • Outlet Connection Type: Weld-On
    • Outlet Position: Center
    • Position: Front Passenger Side
    • UPC: 841380082060
    • Part Description: 2003 Chevrolet Silverado 3500 Universal Catalytic Converter
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 3500 | All Trims | 8 Cyl 8.1L
  • OEM 2003 Chevrolet Silverado 3500 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P Diagram - 15199817
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 3500 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P

    PartNumber: 15199817
    OEM 2003 Chevrolet Silverado 3500 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P - 15199817
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 53.0 x 33.7 x 13.2 inches
    • Item Weight: 21.30 Pounds
    • Replaced by: 19420127
    • Part Description: 2003 Chevrolet Silverado 3500 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | Base, LS, LT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for 2003 Chevrolet Silverado 3500 - 19430

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for 2003 Chevrolet Silverado 3500

    PartNumber: 19430
    Product Specifications
    • Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Calif Emissions; OE is welded Assy Cut to fit; GVW 10,000 - 14,000
    • Gaskets Included: Yes
    • Height: 11
    • Inlet Type: 3 Bolt Fixed Flange
    • Large Pkg. Fee: No
    • Number of O2 Sensors: 1
    • Outlet Type: 2 Bolt Fixed Flange
    • Over All Length: 50.25
    • Packaging Type: Unboxed
    • UPC: 841809120175
    • Use Davico Decarbonizing Induction Kit 1540ea: Yes
    • Width: 13
    • Part Description: 2003 Chevrolet Silverado 3500 Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 3500 | All Trims | 8 Cyl 8.1L
  • OEM 2003 Chevrolet Silverado 3500 Converter & Pipe Diagram - 15077751
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 3500 Converter & Pipe

    PartNumber: 15077751
    OEM 2003 Chevrolet Silverado 3500 Converter & Pipe - 15077751
    Product Specifications
    • Notes: All Models; 6.0l; California; Left;All Models; 8.1l; California; Left; 8.1 Liter Gas
    • Location: Driver Side
    • Other Names: Catalytic Converter, Converter & Pipe, Front Pipe
    • Item Dimensions: 63.6 x 27.8 x 15.8 inches
    • Item Weight: 30.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Silverado 3500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | Base, LS, LT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for 2003 Chevrolet Silverado 3500 - 19459

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for 2003 Chevrolet Silverado 3500

    PartNumber: 19459
    Product Specifications
    • Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Fed Emissions
    • Catalytic Converter Body Height: 18"
    • Catalytic Converter Overall Length: 63"
    • Catalytic Converter Width: 29"
    • Converter Configuration: Direct Fit
    • Inlet Type: 3 Bolt Fixed Flange
    • O2 Sensor Port: Yes
    • Outlet Type: Slip Fit
    • Packaging Type: Unboxed
    • Position: Driver Side
    • UPC: 841809130464
    • Part Description: 2003 Chevrolet Silverado 3500 Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 3500 | All Trims | 8 Cyl 8.1L
  • OEM 2003 Chevrolet Silverado 3500 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P Diagram - 15077752
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 3500 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P

    PartNumber: 15077752
    OEM 2003 Chevrolet Silverado 3500 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P - 15077752
    Product Specifications
    • Notes: All Models; 6.0l; California; Right;All Models; 8.1l; California; Right; 8.1 Liter Gas
    • Location: Passenger Side
    • Other Names: Catalytic Converter, Converter & Pipe, Front Pipe
    • Item Dimensions: 56.9 x 14.1 x 8.3 inches
    • Item Weight: 30.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Silverado 3500 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | Base, LS, LT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
  • OEM 2003 Chevrolet Silverado 3500 CONVERTER ASM, 3WAY CTLTC (W/EXH MANIF PIPE) "KIT" Diagram - 19420127
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 3500 CONVERTER ASM, 3WAY CTLTC (W/EXH MANIF PIPE) "KIT"

    PartNumber: 19420127
    OEM 2003 Chevrolet Silverado 3500 CONVERTER ASM, 3WAY CTLTC (W/EXH MANIF PIPE) "KIT" - 19420127
    Product Specifications
    • Notes: All Models; 6.0l; Federal;All Models; 8.1l; Federal
    • Other Names: Catalytic Converter, Front Pipe
    • Fitment Type: Direct Replacement
    • Replaces: 15199817
    • Part Description: 2003 Chevrolet Silverado 3500 CONVERTER ASM, 3WAY CTLTC (W/EXH MANIF PIPE) "KIT"
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | Base, LS, LT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
  • OEM 2003 Chevrolet Silverado 3500 Oxidation Catalytic Converter Assembly Diagram - 15761128
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 3500 Oxidation Catalytic Converter Assembly

    PartNumber: 15761128
    OEM 2003 Chevrolet Silverado 3500 Oxidation Catalytic Converter Assembly - 15761128
    Product Specifications
    • Notes: All Models; 6.6l Diesel; 6.6 Liter Turbo Diesel, 1st Design, W/Catalytic Cnvrtr
    • Other Names: Catalytic Converter, Front Pipe
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Silverado 3500 Oxidation Catalytic Converter Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 3500 | Base, LS, LT, WT | 8 Cyl 6.6 L DIESEL