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Replacement and OEM Parts for GMC C2500 Catalytic Converter
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GMC C2500 Catalytic Converter

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Catalytic Converters
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  • OEM (Genuine) GMC C2500 Converter

    PartNumber: 15746547
    OEM GMC C2500 Converter - 15746547
    Product Specifications
    • Other Names: Converter
    • Item Dimensions: 38.7 x 31.6 x 5.3 inches
    • Item Weight: 28.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19420113
    • Part Description: GMC C2500 Converter
    More Info
    $1630.19 MSRP: $2550.00
    You Save: $919.81 (37%)
  • MagnaFlow Direct Fit Catalytic Converter for GMC C2500 - 4451453

    MagnaFlow® Direct Fit Catalytic Converter for GMC C2500

    PartNumber: 4451453
    Product Specifications
    • Body Type: Spun
    • Clamp Included: Yes
    • Color/Finish: Stainless Steel
    • Material: Stainless Steel
    • Mounting Hardware Included: Yes
    • Series: California
    • Title: California Direct-Fit
    • Type: Direct-Fit
    • UPC: 888563103839
    • Part Description: GMC C2500 Direct Fit Catalytic Converter
    More Info
    $1925.00
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500 - 16541

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500

    PartNumber: 16541
    Product Specifications
    • Gaskets Included: Yes
    • Height: 17.75 in.
    • Inlet 1 Gsk.: 24315
    • Inlet 1 Type: 3 Bolt Loose Flange
    • Inlet 2 Gsk.: 24236
    • Inlet 2 Type: 3 Bolt Loose Flange
    • Large Pkg. Fee: Yes
    • Outlet Type: 3 Bolt Dual Outlet Fixed Flange
    • Over All Length: 37.5 in.
    • UPC: 841809107275
    • Use Davico Decarbonizing Induction Kit 1540ea: Yes
    • Width: 30.75 in.
    • Part Description: GMC C2500 Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    $358.61
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500 - 19436

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500

    PartNumber: 19436
    Product Specifications
    • Catalytic Converter Overall Length: 37.5"
    • Converter Configuration: Direct Fit
    • Inlet Type: 3" Inlet Bolt Hole Pattern
    • Inlet Type A: 3 Bolt Floating Flange , 2.25"
    • Inlet Type B: 3 Bolt Floating Flange , 2.25"
    • O2 Sensor Port: Yes
    • Position: Front
    • UPC: 841809120243
    • Part Description: GMC C2500 Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    $434.42
  • OEM (Genuine) GMC C2500 Oxidation Catalytic Converter Assembly

    PartNumber: 15991751
    OEM GMC C2500 Oxidation Catalytic Converter Assembly - 15991751
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 40.6 x 11.2 x 9.4 inches
    • Fitment Type: Direct Replacement
    • Part Description: GMC C2500 Oxidation Catalytic Converter Assembly
    More Info
  • Bosal Direct Fit Catalytic Converter for GMC C2500 - 079-5001

    Bosal® Direct Fit Catalytic Converter for GMC C2500

    PartNumber: 079-5001
    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): 26.0
    • 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): 20D376965F7
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS)?: N
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 079-5001
    • MFG Name: Bosal
    • Supplier Company Name: Bosal
    • UPC: 623920315759
    • Part Description: GMC C2500 Direct Fit Catalytic Converter
    More Info
  • Davico Direct Fit Catalytic Converter for GMC C2500 - 14476

    Davico® Direct Fit Catalytic Converter for GMC C2500

    PartNumber: 14476
    Product Specifications
    • Catalytic Converter Body Height: 4"
    • Catalytic Converter Overall Length: 26.25"
    • Catalytic Converter Width: 6"
    • Converter Configuration: Direct Fit
    • Position: Front
    • UPC: 841809103147
    • Part Description: GMC C2500 Direct Fit Catalytic Converter
    More Info
  • OEM (Genuine) GMC C2500 Catalytic Converter Assembly (W/ Exhaust Manifold Pipe T

    PartNumber: 15733231
    OEM GMC C2500 Catalytic Converter Assembly (W/ Exhaust Manifold Pipe T - 15733231
    Product Specifications
    • Other Names: Catalytic Converter, Converter
    • Item Dimensions: 38.6 x 33.7 x 15.5 inches
    • Item Weight: 33.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC C2500 Catalytic Converter Assembly (W/ Exhaust Manifold Pipe T
    More Info
  • Bosal Direct Fit Catalytic Converter for GMC C2500 - 079-5030

    Bosal® Direct Fit Catalytic Converter for GMC C2500

    PartNumber: 079-5030
    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): 33.0
    • 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): 2916BC53F01
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS)?: N
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 079-5030
    • MFG Name: Bosal
    • Supplier Company Name: Bosal
    • UPC: 623920312499
    • Part Description: GMC C2500 Direct Fit Catalytic Converter
    More Info
  • Davico Direct Fit Catalytic Converter for GMC C2500 - 14477

    Davico® Direct Fit Catalytic Converter for GMC C2500

    PartNumber: 14477
    Product Specifications
    • Gaskets Included: gasket not required
    • Height: 4 in.
    • Large Pkg. Fee: No
    • Over All Length: 15.5 in.
    • UPC: 841809103154
    • Use Davico Decarbonizing Induction Kit 1540ea: Yes
    • Width: 6 in.
    • Part Description: GMC C2500 Direct Fit Catalytic Converter
    More Info
  • OEM (Genuine) GMC C2500 3-Way Catalytic Convertor Assembly

    PartNumber: 88968527
    OEM GMC C2500 3-Way Catalytic Convertor Assembly - 88968527
    Product Specifications
    • Other Names: Catalytic Converter, Converter
    • Item Dimensions: 32.7 x 13.4 x 5.3 inches
    • Item Weight: 30.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25131438, 25130005, 25143420, 25130001
    • Part Description: GMC C2500 3-Way Catalytic Convertor Assembly
    More Info
  • Bosal Direct Fit Catalytic Converter And Pipe Assembly for GMC C2500 - 079-5088

    Bosal® Direct Fit Catalytic Converter And Pipe Assembly for GMC C2500

    PartNumber: 079-5088
    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): 49.0
    • 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): E285712A8F4
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS)?: N
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 079-5088
    • MFG Name: Bosal
    • Supplier Company Name: Bosal
    • UPC: 623920316503
    • Part Description: GMC C2500 Direct Fit Catalytic Converter And Pipe Assembly
    More Info
  • MagnaFlow Universal Catalytic Converter - 2.50in. for GMC C2500 - 4451306

    MagnaFlow® Universal Catalytic Converter - 2.50in. for GMC C2500

    PartNumber: 4451306
    Product Specifications
    • Air Tube Adaptable: No
    • Body Height: 4
    • Body Length: 13
    • Body Shape: Round
    • Body Type: Spun
    • Body Width: 4
    • Finish: Stainless Steel
    • Heat Shield Attached: No
    • 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
    • Sensor Port Count: 0
    • Series: California
    • Substrate Material: Ceramic
    • Title: California Universal
    • UPC: 888563103938
    • Part Description: GMC C2500 Universal Catalytic Converter - 2.50in.
    More Info
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500 - 14523

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500

    PartNumber: 14523
    Product Specifications
    • Gaskets Included: gasket not required
    • Large Pkg. Fee: No
    • Over All Length: 45.5 in.
    • UPC: 841809103642
    • Use Davico Decarbonizing Induction Kit 1540ea: Yes
    • Part Description: GMC C2500 Direct Fit Catalytic Converter and Pipe Assembly
    More Info
  • OEM (Genuine) GMC C2500 Catalytic Converter Assembly (W/ Exhaust Manifold Pipe T

    PartNumber: 15733230
    OEM GMC C2500 Catalytic Converter Assembly (W/ Exhaust Manifold Pipe T - 15733230
    Product Specifications
    • Other Names: Converter, Converter & Pipe
    • Item Dimensions: 51.5 x 30.7 x 14.3 inches
    • Item Weight: 33.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC C2500 Catalytic Converter Assembly (W/ Exhaust Manifold Pipe T
    More Info
  • Bosal Direct Fit Catalytic Converter And Pipe Assembly for GMC C2500 - 079-5110

    Bosal® Direct Fit Catalytic Converter And Pipe Assembly for GMC C2500

    PartNumber: 079-5110
    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): 440CF5A7D83
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS)?: N
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 079-5110
    • MFG Name: Bosal
    • Supplier Company Name: Bosal
    • UPC: 623920316718
    • Part Description: GMC C2500 Direct Fit Catalytic Converter And Pipe Assembly
    More Info
  • MagnaFlow Universal Catalytic Converter for GMC C2500 - 4451309

    MagnaFlow® Universal Catalytic Converter for GMC C2500

    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 C2500 Universal Catalytic Converter
    More Info
  • Davico Direct Fit Catalytic Converter for GMC C2500 - 14575

    Davico® Direct Fit Catalytic Converter for GMC C2500

    PartNumber: 14575
    Product Specifications
    • Catalytic Converter Body Height: 4"
    • Catalytic Converter Overall Length: 26.5"
    • Catalytic Converter Width: 6"
    • Converter Configuration: Direct Fit
    • Position: Center
    • Part Description: GMC C2500 Direct Fit Catalytic Converter
    More Info
  • OEM (Genuine) GMC C2500 Catalytic Converter

    PartNumber: 25101899
    OEM GMC C2500 Catalytic Converter - 25101899
    Product Specifications
    • Item Dimensions: 34.0 x 13.1 x 5.1 inches
    • Item Weight: 26.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC C2500 Catalytic Converter
    More Info
  • Bosal Direct Fit Catalytic Converter And Pipe Assembly for GMC C2500 - 079-5111

    Bosal® Direct Fit Catalytic Converter And Pipe Assembly for GMC C2500

    PartNumber: 079-5111
    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): 52.0
    • 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): 71F6D9FE9C9
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS)?: N
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 079-5111
    • MFG Name: Bosal
    • Supplier Company Name: Bosal
    • UPC: 623920312314
    • Part Description: GMC C2500 Direct Fit Catalytic Converter And Pipe Assembly
    More Info
  • Davico Direct Fit Catalytic Converter for GMC C2500 - 14776

    Davico® Direct Fit Catalytic Converter for GMC C2500

    PartNumber: 14776
    Product Specifications
    • Catalytic Converter Body Height: 4"
    • Catalytic Converter Overall Length: 26.25"
    • Catalytic Converter Width: 6"
    • Converter Configuration: Direct Fit
    • Position: Front
    • UPC: 841809104380
    • Part Description: GMC C2500 Direct Fit Catalytic Converter
    More Info
  • OEM (Genuine) GMC C2500 Oxidation Catalytic Converter Assembly

    PartNumber: 15991752
    OEM GMC C2500 Oxidation Catalytic Converter Assembly - 15991752
    Product Specifications
    • Other Names: Converter
    • Fitment Type: Direct Replacement
    • Replaces: 25144421
    • Part Description: GMC C2500 Oxidation Catalytic Converter Assembly
    More Info
  • Bosal Direct Fit Catalytic Converter And Pipe Assembly for GMC C2500 - 079-5124

    Bosal® Direct Fit Catalytic Converter And Pipe Assembly for GMC C2500

    PartNumber: 079-5124
    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): 45.0
    • 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): E52383119DF
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS)?: N
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 079-5124
    • MFG Name: Bosal
    • Supplier Company Name: Bosal
    • UPC: 623920316831
    • Part Description: GMC C2500 Direct Fit Catalytic Converter And Pipe Assembly
    More Info
  • OEM (Genuine) GMC C2500 3-Way Catalytic Convertor Assembly (W/ Exhaust Rear Man

    PartNumber: 25170655
    OEM GMC C2500 3-Way Catalytic Convertor Assembly (W/ Exhaust Rear Man - 25170655
    Product Specifications
    • Other Names: Catalytic Converter, Front Pipe
    • Item Dimensions: 50.6 x 31.9 x 18.0 inches
    • Item Weight: 22.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC C2500 3-Way Catalytic Convertor Assembly (W/ Exhaust Rear Man
    More Info
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500 - 165411

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500

    PartNumber: 165411
    Product Specifications
    • Height: 13 in.
    • Inlet 1 Gsk.: EG24236
    • Inlet 1 Type: 3 Bolt Loose Flange
    • Large Pkg. Fee: Yes
    • Number Of O2 Sensors: 2
    • Outlet 1 Gsk.: Not Required
    • Outlet 1 Type: Slide On Connection
    • Over All Length: 58 in.
    • UPC: 841809107282
    • Use Davico Decarbonizing Induction Kit 1540ea: Yes
    • Width: 33 in.
    • Part Description: GMC C2500 Direct Fit Catalytic Converter and Pipe Assembly
    More Info
  • OEM (Genuine) GMC C2500 3-Way Catalytic Convertor Assembly

    PartNumber: 25312171
    OEM GMC C2500 3-Way Catalytic Convertor Assembly - 25312171
    Product Specifications
    • Other Names: Converter
    • Item Dimensions: 30.9 x 9.1 x 5.8 inches
    • Item Weight: 24.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC C2500 3-Way Catalytic Convertor Assembly
    More Info
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500 - 165412

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500

    PartNumber: 165412
    Product Specifications
    • Catalytic Converter Body Height: 12"
    • Catalytic Converter Overall Length: 37.75"
    • Catalytic Converter Width: 13"
    • Converter Configuration: Direct Fit
    • Inlet Type A: 3 Bolt Loose Flange
    • O2 Sensor Port: Yes
    • Outlet Type A: 6 Bolt Fixed Flange
    • Position: Passenger Side
    • Part Description: GMC C2500 Direct Fit Catalytic Converter and Pipe Assembly
    More Info
  • OEM (Genuine) GMC C2500 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P

    PartNumber: 25145198
    OEM GMC C2500 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P - 25145198
    Product Specifications
    • Other Names: Converter
    • Item Dimensions: 40.2 x 28.5 x 19.0 inches
    • Item Weight: 15.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC C2500 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
    More Info
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500 - 19021

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for GMC C2500

    PartNumber: 19021
    Product Specifications
    • Catalytic Converter Body Height: 13.5"
    • Catalytic Converter Overall Length: 47"
    • Catalytic Converter Width: 28.5"
    • Converter Configuration: Direct Fit
    • Inlet Type A: 3 Bolt Spin Flange , 2.5"
    • Inlet Type B: 3 Bolt Spin Flange , 2.5"
    • Outlet Type: 2 Bolt Fixed Fange
    • Position: Front
    • UPC: 841809116697
    • Part Description: GMC C2500 Direct Fit Catalytic Converter and Pipe Assembly
    More Info
  • OEM (Genuine) GMC C2500 Catalytic Converter Assembly (W/ Exhaust Manifold Pipe T

    PartNumber: 15733229
    OEM GMC C2500 Catalytic Converter Assembly (W/ Exhaust Manifold Pipe T - 15733229
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 57.7 x 27.8 x 10.3 inches
    • Item Weight: 36.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC C2500 Catalytic Converter Assembly (W/ Exhaust Manifold Pipe T
    More Info
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About GMC C2500 Catalytic Converter

The GMC C2500 is a 3/4-tonne vehicle. Over the years, it has earned a great reputation by beating out competitors. During the development of the GMC C2500, many classic parts have been built, such as the catalytic converter. There are two types of catalytic converters, including the 2-way and three-way catalytic converter, that differ in abilities. When catalytic converters were introduced, it was accompanied by a carburetor which provided a rich ratio of air and fuel.
The GMC C2500 stands out for its great parts. But the worn catalytic converter needs to be repaired or replaced for better performance. Signs of a bad GMC C2500 catalytic converter include poor engine performance, black exhaust smoke, a bad smell from the exhaust, and the check engine light on the dashboard. The removal process of the GMC C2500 catalytic converter is as follows. First, disconnect the upstream and downstream sensors. Next, remove the nuts from the flanges connecting them to the rest of the exhaust. Then remove old exhaust gaskets, and finally disconnect exhaust hangers (if needed). It is easy to buy needed GMC C2500 parts like the catalytic converter at nearly wholesale prices online. We are here for you 24/7.