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 2018 GMC Sierra 3500 HD Exhaust Straight Pipe

2018 GMC Sierra 3500 HD Exhaust Straight Pipe

My Vehicle Change Vehicle
2018 GMC Sierra 3500 HD
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Exhaust Manifolds, Pipes & Mufflers
  • Department
  • Prices

4 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2018 GMC Sierra 3500 HD 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)

    PartNumber: 84053221
    OEM 2018 GMC Sierra 3500 HD 3Way Catalytic Convertor Assembly (W/Exhaust Pipe) - 84053221
    Product Specifications
    • Notes: Catalytic Converter; Silverado, Sierra; 6.0L; 3500
    • 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 3500 HD 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $2020.25 MSRP: $2851.27
    You Save: $831.02 (30%)
  • OEM (Genuine) 2018 GMC Sierra 3500 HD Front Pipe

    PartNumber: 12671086
    OEM 2018 GMC Sierra 3500 HD Front Pipe - 12671086
    Product Specifications
    • Notes: 2017-19, Turbo & Exhaust Components
    • Other Names: Exhaust Pipe, Front Pipe
    • Item Dimensions: 18.7 x 6.4 x 4.8 inches
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 3500 HD Front Pipe
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $181.76 MSRP: $274.22
    You Save: $92.46 (34%)
  • OEM (Genuine) 2018 GMC Sierra 3500 HD CONVERTER ASM, 3WAY CTLTC(W/EXH PIPE)

    PartNumber: 19420277
    OEM 2018 GMC Sierra 3500 HD CONVERTER ASM, 3WAY CTLTC(W/EXH PIPE) - 19420277
    Product Specifications
    • Notes: 6.0 Liter; Catalytic Converter; Silverado, Sierra; 6.0L; 3500
    • Other Names: Catalytic Converter, Converter & Pipe
    • Fitment Type: Direct Replacement
    • Replaces: 23268768, 25811714, 84053222, 84053221
    • Part Description: 2018 GMC Sierra 3500 HD CONVERTER ASM, 3WAY CTLTC(W/EXH PIPE)
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $2020.25 MSRP: $2851.27
    You Save: $831.02 (30%)
  • OEM (Genuine) 2018 GMC Sierra 3500 HD Converter & Pipe

    PartNumber: 19420301
    OEM 2018 GMC Sierra 3500 HD Converter & Pipe - 19420301
    Product Specifications
    • Notes: Catalytic Converter; Silverado, Sierra; 6.6L; Lower; 6.6 Liter Diesel, 2ND Design
    • Other Names: Catalytic Converter, Converter & Pipe
    • Fitment Type: Direct Replacement
    • Replaces: 84235516, 84189362, 84362533
    • Part Description: 2018 GMC Sierra 3500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 3500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $999.58 MSRP: $1495.00
    You Save: $495.42 (34%)