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Replacement and OEM Parts for 2003 GMC Sierra 2500 HD Catalytic Converter

2003 GMC Sierra 2500 HD Catalytic Converter

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2003 GMC Sierra 2500 HD
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Catalytic Converters
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  • OEM 2003 GMC Sierra 2500 HD Converter & Pipe Diagram - 10395214
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 10395214
    OEM 2003 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | Base, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $1230.69 MSRP: $1843.58
    You Save: $612.89 (34%)
  • OEM 2003 GMC Sierra 2500 HD Converter & Pipe Diagram - 10395213
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 10395213
    OEM 2003 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | Base, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $946.54 MSRP: $1415.00
    You Save: $468.46 (34%)
  • Bosal Direct Fit Catalytic Converter And Pipe Assembly for 2003 GMC Sierra 2500 HD - 079-5248

    Bosal® Direct Fit Catalytic Converter And Pipe Assembly for 2003 GMC Sierra 2500 HD

    PartNumber: 079-5248
    Product Specifications
    • Notes: w/o Pre-Converter; Not Legal For Sale In CA. Not Legal In NY For Vehicles w/Calif Emissions.
    • CARB Compliant: N
    • Catalytic Converter Air Tube Adaptable: Not Air Tube Kit Adaptable
    • Catalytic Converter Format: Main Catalytic Converter
    • Catalytic Converter Housing Material: Stainless Steel
    • Catalytic Converter Length (in): 60.000000
    • Catalytic Converter Oxygen Sensor Location: No Port Location
    • Catalytic Converter Substrate Material: Ceramic
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Exhaust Pipe Inlet Connection Type: Flange or Slipfit
    • Exhaust Pipe Outlet Connection Type: Flange or Slipfit
    • Fitment: Direct OE Replacement
    • Internet Product Code (IPC): 1C97709B718
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 079-5248
    • MFG Name: Bosal
    • Supplier Company Name: Bosal
    • UPC: 623920342373
    • Part Description: 2003 GMC Sierra 2500 HD Direct Fit Catalytic Converter And Pipe Assembly
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
  • Davico Direct Fit Catalytic Converter for 2003 GMC Sierra 2500 HD - 19286

    Davico® Direct Fit Catalytic Converter for 2003 GMC Sierra 2500 HD

    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 GMC Sierra 2500 HD Direct Fit Catalytic Converter
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L
  • MagnaFlow Universal Catalytic Converter for 2003 GMC Sierra 2500 HD - 447109

    MagnaFlow® Universal Catalytic Converter for 2003 GMC Sierra 2500 HD

    PartNumber: 447109
    Product Specifications
    • Notes: CARB Executive Order D-193-103;Engine Family Number 3GMXA06.0188;Engine Family Number 3GMXA08.1201;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 GMC Sierra 2500 HD Universal Catalytic Converter
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for 2003 GMC Sierra 2500 HD - 19373

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for 2003 GMC Sierra 2500 HD

    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 GMC Sierra 2500 HD Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
  • OEM 2003 GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P Diagram - 15199817
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P

    PartNumber: 15199817
    OEM 2003 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | Base, SL, SLE, SLT, 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 GMC Sierra 2500 HD - 19430

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for 2003 GMC Sierra 2500 HD

    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 GMC Sierra 2500 HD Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L
  • OEM 2003 GMC Sierra 2500 HD Converter & Pipe Diagram - 15077751
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 15077751
    OEM 2003 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 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 GMC Sierra 2500 HD - 19449

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for 2003 GMC Sierra 2500 HD

    PartNumber: 19449
    Product Specifications
    • Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Fed Emissions; w/143.5" WB
    • Inlet Type: 2 Bolt Fixed Flange
    • Number of O2 Sensors: 1
    • Over All Length: 40 in.
    • UPC: 841809120380
    • Use Davico Decarbonizing Induction Kit 1540ea: Yes
    • Part Description: 2003 GMC Sierra 2500 HD Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L
  • OEM 2003 GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P Diagram - 15077752
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P

    PartNumber: 15077752
    OEM 2003 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 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 GMC Sierra 2500 HD - 19459

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for 2003 GMC Sierra 2500 HD

    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 GMC Sierra 2500 HD Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L
    • 2003 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
  • OEM 2003 GMC Sierra 2500 HD CONVERTER ASM, 3WAY CTLTC (W/EXH MANIF PIPE) "KIT" Diagram - 19420127
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 2500 HD CONVERTER ASM, 3WAY CTLTC (W/EXH MANIF PIPE) "KIT"

    PartNumber: 19420127
    OEM 2003 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD CONVERTER ASM, 3WAY CTLTC (W/EXH MANIF PIPE) "KIT"
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
  • OEM 2003 GMC Sierra 2500 HD Oxidation Catalytic Converter Assembly Diagram - 15761128
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 2500 HD Oxidation Catalytic Converter Assembly

    PartNumber: 15761128
    OEM 2003 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD Oxidation Catalytic Converter Assembly
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL