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Replacement and OEM Parts for 2018 GMC Sierra 2500 HD Catalytic Converter

2018 GMC Sierra 2500 HD Catalytic Converter

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2018 GMC Sierra 2500 HD
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Catalytic Converters
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  • OEM 2018 GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/Exhaust Pipe) Diagram - 84053221
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)

    PartNumber: 84053221
    OEM 2018 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: 2018 GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $2042.60 MSRP: $2882.96
    You Save: $840.36 (30%)
  • OEM 2018 GMC Sierra 2500 HD Converter Diagram - 12705096
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Converter

    PartNumber: 12705096
    OEM 2018 GMC Sierra 2500 HD Converter - 12705096
    Product Specifications
    • Other Names: Catalytic Converter, Converter
    • Fitment Type: Direct Replacement
    • Replaces: 19420224, 12680277
    • Part Description: 2018 GMC Sierra 2500 HD Converter
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $699.02 MSRP: $1041.67
    You Save: $342.65 (33%)
  • OEM 2018 GMC Sierra 2500 HD Catalytic Converter Diagram - 19420224
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Catalytic Converter

    PartNumber: 19420224
    OEM 2018 GMC Sierra 2500 HD Catalytic Converter - 19420224
    Product Specifications
    • Notes: Silverado, Sierra; 6.6l; Upper
    • Other Names: Catalytic Converter
    • Fitment Type: Direct Replacement
    • Replaced by: 12705096
    • Part Description: 2018 GMC Sierra 2500 HD Catalytic Converter
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $699.02 MSRP: $1041.67
    You Save: $342.65 (33%)
  • OEM 2018 GMC Sierra 2500 HD CONVERTER ASM, 3WAY CTLTC(W/EXH PIPE) Diagram - 19420277
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD CONVERTER ASM, 3WAY CTLTC(W/EXH PIPE)

    PartNumber: 19420277
    OEM 2018 GMC Sierra 2500 HD CONVERTER ASM, 3WAY CTLTC(W/EXH PIPE) - 19420277
    Product Specifications
    • Notes: 6.0 Liter; Silverado, Sierra; 6.0l; 2500
    • Other Names: Catalytic Converter, Converter & Pipe
    • Fitment Type: Direct Replacement
    • Replaces: 23268768, 25811714, 84053222, 84053221
    • Part Description: 2018 GMC Sierra 2500 HD CONVERTER ASM, 3WAY CTLTC(W/EXH PIPE)
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $2042.60 MSRP: $2882.96
    You Save: $840.36 (30%)
  • OEM 2018 GMC Sierra 2500 HD Converter & Pipe Diagram - 19420301
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 19420301
    OEM 2018 GMC Sierra 2500 HD Converter & Pipe - 19420301
    Product Specifications
    • Notes: 6.6 Liter Diesel, 2nd Design; Silverado, Sierra; 6.6l; Lower
    • Other Names: Catalytic Converter, Converter & Pipe
    • Fitment Type: Direct Replacement
    • Replaces: 84235516, 84189362, 84362533
    • Part Description: 2018 GMC Sierra 2500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $999.58 MSRP: $1495.00
    You Save: $495.42 (34%)