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

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  • OEM (Genuine) GMC Sierra 2500 HD Catalytic Converter

    PartNumber: 22751290
    OEM GMC Sierra 2500 HD Catalytic Converter - 22751290
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 63.0 x 18.2 x 16.6 inches
    • Item Weight: 25.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418930
    • Part Description: GMC Sierra 2500 HD Catalytic Converter
    More Info
    $966.43 MSRP: $1445.00
    You Save: $478.57 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 20854453
    OEM GMC Sierra 2500 HD Converter & Pipe - 20854453
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 51.2 x 29.9 x 14.2 inches
    • Item Weight: 35.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418926
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1724.84 MSRP: $2690.39
    You Save: $965.55 (36%)
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for GMC Sierra 2500 HD - 19588

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

    PartNumber: 19588
    Product Specifications
    • Gaskets Included: Yes
    • Height: 14
    • Inlet 1 Type: 3 Bolt Fixed Flange
    • Inlet 2 Type: 3 Bolt Spin Flange
    • Large Pkg. Fee: Yes
    • Number Of O2 Sensors: 4
    • Outlet Type: 2 Bolt Fixed Flange
    • Over All Length: 60.5
    • Packaging Type: Unboxed
    • UPC: 841809134134
    • Weight: 32
    • Width: 29
    • Part Description: GMC Sierra 2500 HD Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    $568.25
  • MagnaFlow OBDII Universal Fit Oval Body Catalytic Converter for GMC Sierra 2500 HD - 459006

    MagnaFlow® OBDII Universal Fit Oval Body Catalytic Converter for GMC Sierra 2500 HD

    PartNumber: 459006
    Product Specifications
    • Air Tube Adaptable: No
    • Body Height: 3.75
    • Body Length: 12
    • Body Material: Stainless Steel
    • Body Shape: Oval
    • Body Type: Clam Shell
    • Body Width: 6.375
    • Finish: Stainless Steel
    • Heat Shield Attached: Yes
    • Heat Shield Included: Yes
    • Heat Shield Material: Aluminized Steel
    • Inlet Attachment: Weld-On
    • Inlet Diameter: 2.5
    • Inlet Orientation: Straight
    • Inlet Quantity: 1
    • Material: Stainless Steel
    • Outlet Attachment: Weld-On
    • Outlet Diameter: 2.5
    • Outlet Orientation: Straight
    • Outlet Quantity: 1
    • Overall Length: 16
    • Oxygen Sensor Location: None
    • Sensor Port Count: 0
    • Series: California
    • Substrate Material: Ceramic
    • Title: California Universal
    • UPC: 841380080738
    • Part Description: GMC Sierra 2500 HD OBDII Universal Fit Oval Body Catalytic Converter
    More Info
    $504.19
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 10395214
    OEM 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: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1230.69 MSRP: $1843.58
    You Save: $612.89 (34%)
  • MagnaFlow OBDII Universal Fit Round Body Catalytic Converter for GMC Sierra 2500 HD - 458006

    MagnaFlow® OBDII Universal Fit Round Body Catalytic Converter for GMC Sierra 2500 HD

    PartNumber: 458006
    Product Specifications
    • Air Tube Adaptable: No
    • Body Height: 4.375
    • Body Length: 9
    • Body Material: Stainless Steel
    • Body Shape: Round
    • Body Type: Clam Shell
    • Body Width: 4.375
    • Finish: Stainless Steel
    • Heat Shield Attached: Yes
    • Heat Shield Included: Yes
    • Heat Shield Material: Aluminized Steel
    • Inlet Attachment: Weld-On
    • Inlet Diameter: 2.5
    • Inlet Orientation: Straight
    • Inlet Quantity: 1
    • Material: Stainless Steel
    • Outlet Attachment: Weld-On
    • Outlet Diameter: 2.5
    • Outlet Orientation: Straight
    • Outlet Quantity: 1
    • Overall Length: 13
    • Oxygen Sensor Location: None
    • Sensor Port Count: 0
    • Series: California
    • Substrate Material: Ceramic
    • Title: California Universal
    • UPC: 841380080660
    • Part Description: GMC Sierra 2500 HD OBDII Universal Fit Round Body Catalytic Converter
    More Info
    $421.23
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 25904628
    OEM GMC Sierra 2500 HD Converter & Pipe - 25904628
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 60.3 x 26.8 x 14.1 inches
    • Item Weight: 31.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418939
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1482.40 MSRP: $2305.11
    You Save: $822.71 (36%)
  • OEM (Genuine) GMC Sierra 2500 HD Catalytic Converter

    PartNumber: 20854454
    OEM GMC Sierra 2500 HD Catalytic Converter - 20854454
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 45.3 x 29.9 x 14.4 inches
    • Item Weight: 37.40 Pounds
    • Replaced by: 19418941
    • Part Description: GMC Sierra 2500 HD Catalytic Converter
    More Info
    $2125.29 MSRP: $3192.92
    You Save: $1067.63 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 25782037
    OEM GMC Sierra 2500 HD Converter & Pipe - 25782037
    Product Specifications
    • Other Names: Converter & Pipe
    • Item Dimensions: 57.8 x 32.6 x 17.3 inches
    • Item Weight: 39.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $966.52 MSRP: $1445.15
    You Save: $478.63 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 20963621
    OEM GMC Sierra 2500 HD Converter & Pipe - 20963621
    Product Specifications
    • Other Names: Converter & Pipe
    • Item Dimensions: 54.2 x 32.2 x 14.9 inches
    • Item Weight: 38.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418942
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1411.15 MSRP: $2115.79
    You Save: $704.64 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 15283013
    OEM GMC Sierra 2500 HD Converter & Pipe - 15283013
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 52.5 x 16.6 x 15.8 inches
    • Item Weight: 33.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19419597
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $988.97 MSRP: $1478.99
    You Save: $490.02 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 10395213
    OEM 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: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $946.54 MSRP: $1415.00
    You Save: $468.46 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Catalytic Converter

    PartNumber: 22799976
    OEM GMC Sierra 2500 HD Catalytic Converter - 22799976
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 153.5 x 28.5 x 18.8 inches
    • Item Weight: 90.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25812368
    • Part Description: GMC Sierra 2500 HD Catalytic Converter
    More Info
    $2096.81 MSRP: $3149.95
    You Save: $1053.14 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 19418941
    OEM GMC Sierra 2500 HD Converter & Pipe - 19418941
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Fitment Type: Direct Replacement
    • Replaces: 20854454, 15905948
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $2125.29 MSRP: $3192.92
    You Save: $1067.63 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 22887212
    OEM GMC Sierra 2500 HD Converter & Pipe - 22887212
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 57.7 x 14.3 x 10.2 inches
    • Item Weight: 38.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418925
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1301.26 MSRP: $1950.03
    You Save: $648.77 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 84653314
    OEM GMC Sierra 2500 HD Converter & Pipe - 84653314
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 63.9 x 33.3 x 17.0 inches
    • Item Weight: 46.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1952.09 MSRP: $2931.67
    You Save: $979.58 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter

    PartNumber: 12705096
    OEM GMC Sierra 2500 HD Converter - 12705096
    Product Specifications
    • Other Names: Catalytic Converter, Converter
    • Fitment Type: Direct Replacement
    • Replaces: 19420224, 12680277
    • Part Description: GMC Sierra 2500 HD Converter
    More Info
    $699.02 MSRP: $1041.67
    You Save: $342.65 (33%)
  • OEM (Genuine) GMC Sierra 2500 HD Catalytic Converter

    PartNumber: 19420224
    OEM GMC Sierra 2500 HD Catalytic Converter - 19420224
    Product Specifications
    • Other Names: Catalytic Converter
    • Fitment Type: Direct Replacement
    • Replaced by: 12705096
    • Part Description: GMC Sierra 2500 HD Catalytic Converter
    More Info
    $699.02 MSRP: $1041.67
    You Save: $342.65 (33%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 19418932
    OEM GMC Sierra 2500 HD Converter & Pipe - 19418932
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 41.6 x 35.0 x 15.5 inches
    • Item Weight: 35.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25824121
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $2255.32 MSRP: $3389.03
    You Save: $1133.71 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 19418967
    OEM GMC Sierra 2500 HD Converter & Pipe - 19418967
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Fitment Type: Direct Replacement
    • Replaces: 20880347, 22751291
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $3063.35 MSRP: $4607.79
    You Save: $1544.44 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 19420301
    OEM GMC Sierra 2500 HD Converter & Pipe - 19420301
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Fitment Type: Direct Replacement
    • Replaces: 84235516, 84189362, 84362533
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $999.58 MSRP: $1495.00
    You Save: $495.42 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)

    PartNumber: 84053221
    OEM GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/Exhaust Pipe) - 84053221
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 63.4 x 33.9 x 15.8 inches
    • Item Weight: 49.20 Pounds
    • Replaced by: 19420277
    • Part Description: GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)
    More Info
  • OEM (Genuine) GMC Sierra 2500 HD Muffler & Pipe

    PartNumber: 22799975
    OEM GMC Sierra 2500 HD Muffler & Pipe - 22799975
    Product Specifications
    • Other Names: Catalytic Converter, Muffler & Pipe
    • Item Dimensions: 150.6 x 28.3 x 18.5 inches
    • Item Weight: 91.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25812367
    • Part Description: GMC Sierra 2500 HD Muffler & Pipe
    More Info
  • OEM (Genuine) GMC Sierra 2500 HD Catalytic Converter

    PartNumber: 22799973
    OEM GMC Sierra 2500 HD Catalytic Converter - 22799973
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 117.0 x 28.5 x 19.3 inches
    • Item Weight: 83.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25812365
    • Part Description: GMC Sierra 2500 HD Catalytic Converter
    More Info
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 84341182
    OEM GMC Sierra 2500 HD Converter & Pipe - 84341182
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 55.4 x 13.9 x 10.2 inches
    • Item Weight: 43.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
  • Bosal Direct Fit Catalytic Converter And Pipe Assembly for GMC Sierra 2500 HD - 079-5181

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

    PartNumber: 079-5181
    Product Specifications
    • CARB Compliant: No
    • 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): 57.0
    • 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 slip fit
    • Exhaust Pipe Outlet Connection Type: Flange or slip fit
    • Fitment: Direct OE Replacement
    • Internet Product Code (IPC): 1390063080A
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS)?: N
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 079-5181
    • MFG Name: Bosal
    • Part Type #2: Domestic
    • Supplier Company Name: Bosal
    • UPC: 623920317364
    • Part Description: GMC Sierra 2500 HD Direct Fit Catalytic Converter And Pipe Assembly
    More Info
  • Bosal Direct Fit Catalytic Converter And Pipe Assembly for GMC Sierra 2500 HD - 079-5248

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

    PartNumber: 079-5248
    Product Specifications
    • 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: GMC Sierra 2500 HD Direct Fit Catalytic Converter And Pipe Assembly
    More Info
  • Davico Direct Fit Catalytic Converter for GMC Sierra 2500 HD - 19286

    Davico® Direct Fit Catalytic Converter for GMC Sierra 2500 HD

    PartNumber: 19286
    Product Specifications
    • 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: GMC Sierra 2500 HD Direct Fit Catalytic Converter
    More Info
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for GMC Sierra 2500 HD - 193711

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

    PartNumber: 193711
    Product Specifications
    • Height: 8.5 in.
    • Inlet 1 Gsk.: EG24332
    • Inlet 1 Type: 3 Bolt Fixed Flange
    • Large Pkg. Fee: No
    • Number Of O2 Sensors: 2
    • Outlet 1 Gsk.: Not Required
    • Outlet 1 Type: Slip Fit
    • Over All Length: 43.5 in.
    • UPC: 841809119629
    • Use Davico Decarbonizing Induction Kit 1540ea: Yes
    • Width: 21.5 in.
    • Part Description: GMC Sierra 2500 HD Direct Fit Catalytic Converter and Pipe Assembly
    More Info
  • MagnaFlow Universal Catalytic Converter for GMC Sierra 2500 HD - 4451309

    MagnaFlow® Universal Catalytic Converter for GMC Sierra 2500 HD

    PartNumber: 4451309
    Product Specifications
    • 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: GMC Sierra 2500 HD Universal Catalytic Converter
    More Info
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