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 ×
Replacement and OEM Parts for 2019 GMC Sierra 2500 HD Catalytic Converters & Components

2019 GMC Sierra 2500 HD Catalytic Converters & Components

My Vehicle Change Vehicle
2019 GMC Sierra 2500 HD
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Engine & Drivetrain

10 products about 2019 GMC Sierra 2500 HD Catalytic Converters & Components found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2019 GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)

    PartNumber: 84053221
    OEM 2019 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: 2019 GMC Sierra 2500 HD 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)
    More Info
    Vehicle Fitment
    • 2019 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
    $2345.92 MSRP: $2882.96
    You Save: $537.04 (19%)
  • OEM (Genuine) 2019 GMC Sierra 2500 HD Muffler & Pipe

    PartNumber: 85165533
    OEM 2019 GMC Sierra 2500 HD Muffler & Pipe - 85165533
    Product Specifications
    • Notes: 6.6 Liter Diesel, Double Cab, 8 Ft Box; Sierra, Silverado; Regular Cab
    • Other Names: Diesel Particulate Filter, Muffler & Pipe
    • Replaces: 84181080
    • Replaced by: 86534411
    • Part Description: 2019 GMC Sierra 2500 HD Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2019 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $2085.79 MSRP: $3133.96
    You Save: $1048.17 (34%)
  • OEM (Genuine) 2019 GMC Sierra 2500 HD Converter

    PartNumber: 12705096
    OEM 2019 GMC Sierra 2500 HD Converter - 12705096
    Product Specifications
    • Other Names: Catalytic Converter, Converter
    • Fitment Type: Direct Replacement
    • Replaces: 19420224, 12680277
    • Part Description: 2019 GMC Sierra 2500 HD Converter
    More Info
    Vehicle Fitment
    • 2019 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 (Genuine) 2019 GMC Sierra 2500 HD Catalytic Converter

    PartNumber: 19420224
    OEM 2019 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: 2019 GMC Sierra 2500 HD Catalytic Converter
    More Info
    Vehicle Fitment
    • 2019 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 (Genuine) 2019 GMC Sierra 2500 HD Converter & Pipe Seal

    PartNumber: 84013962
    OEM 2019 GMC Sierra 2500 HD Converter & Pipe Seal - 84013962
    Product Specifications
    • Notes: 6.6 Liter Diesel
    • Other Names: Converter & Pipe Seal
    • Item Dimensions: 4.6 x 4.8 x 1.3 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2019 GMC Sierra 2500 HD Converter & Pipe Seal
    More Info
    Vehicle Fitment
    • 2019 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $7.66 MSRP: $11.53
    You Save: $3.87 (34%)
  • OEM (Genuine) 2019 GMC Sierra 2500 HD Converter & Pipe Seal

    PartNumber: 20987829
    OEM 2019 GMC Sierra 2500 HD Converter & Pipe Seal - 20987829
    Product Specifications
    • Notes: 6.0 Liter
    • Location: Passenger Side
    • Other Names: Converter & Pipe Seal
    • Item Dimensions: 4.0 x 4.1 x 1.1 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15890981
    • Part Description: 2019 GMC Sierra 2500 HD Converter & Pipe Seal
    More Info
    Vehicle Fitment
    • 2019 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
    $14.67 MSRP: $24.27
    You Save: $9.60 (40%)
  • OEM (Genuine) 2019 GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 19420301
    OEM 2019 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: 2019 GMC Sierra 2500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2019 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $999.58 MSRP: $1495.00
    You Save: $495.42 (34%)
  • OEM (Genuine) 2019 GMC Sierra 2500 HD Muffler & Pipe

    PartNumber: 84614676
    OEM 2019 GMC Sierra 2500 HD Muffler & Pipe - 84614676
    Product Specifications
    • Other Names: Diesel Particulate Filter, Muffler & Pipe
    • Item Dimensions: 137.8 x 23.0 x 14.7 inches
    • Item Weight: 74.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 86534413
    • Part Description: 2019 GMC Sierra 2500 HD Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2019 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $1836.42 MSRP: $2757.77
    You Save: $921.35 (34%)
  • OEM (Genuine) 2019 GMC Sierra 2500 HD Converter & Pipe Seal

    PartNumber: 15077362
    OEM 2019 GMC Sierra 2500 HD Converter & Pipe Seal - 15077362
    Product Specifications
    • Notes: 6.0 Liter
    • Location: Driver Side
    • Other Names: Converter & Pipe Seal, Flange Gasket
    • Item Dimensions: 3.9 x 3.9 x 0.4 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15715548
    • Part Description: 2019 GMC Sierra 2500 HD Converter & Pipe Seal
    More Info
    Vehicle Fitment
    • 2019 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
  • OEM (Genuine) 2019 GMC Sierra 2500 HD CONVERTER ASM, 3WAY CTLTC(W/EXH PIPE)

    PartNumber: 19420277
    OEM 2019 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: 2019 GMC Sierra 2500 HD CONVERTER ASM, 3WAY CTLTC(W/EXH PIPE)
    More Info
    Vehicle Fitment
    • 2019 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