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
×
Live Chat
1-888-220-8330
Body & Mirrors
Chassis & Brakes
Engine & Drivetrain
Electrical & Lighting
Login/Register
My Account
Track Order
Help Center
Contact Us
Home
>
Sierra 3500 HD
>
2018
>
Engine & Drivetrain
>
Exhaust Manifolds, Pipes, Mufflers & Components
>
Exhaust Flange Gasket
2018 GMC Sierra 3500 HD Exhaust Flange Gasket
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
OE
Prices
$5.99 and under
$6 to $11.99
$12 to $19.99
$20 and over
5 Products found
Show Item:
30
60
90
Sort by:
Recommended
Filter
Sort
View by
View Related Parts
OEM (Genuine)
2018 GMC Sierra 3500 HD Center Muffler Gasket
PartNumber:
15126137
VEHICLE SPECIFIC
Product Specifications
Notes:
6.6 Liter Diesel
Item Dimensions:
6.5 x 5.5 x 0.2 inches
Item Weight:
2.20 Pounds
Fitment Type:
Direct Replacement
Replaces:
15767098
Replaced by:
37183442
Part Description:
2018 GMC Sierra 3500 HD Center Muffler Gasket
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$8.61
MSRP:
$12.97
You Save: $4.36 (34%)
Check Fit
Add to Cart
View Related Parts
OEM (Genuine)
2018 GMC Sierra 3500 HD Converter & Pipe Seal
PartNumber:
84013962
VEHICLE SPECIFIC
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:
2018 GMC Sierra 3500 HD Converter & Pipe Seal
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
$7.66
MSRP:
$11.53
You Save: $3.87 (34%)
Check Fit
Add to Cart
View Related Parts
OEM (Genuine)
2018 GMC Sierra 3500 HD Turbocharger Gasket
PartNumber:
12677294
VEHICLE SPECIFIC
Product Specifications
Notes:
2017-19, Turbo & Exhaust Components
Other Names:
Turbocharger Gasket
Item Dimensions:
5.9 x 4.4 x 0.2 inches
Item Weight:
0.40 Pounds
Fitment Type:
Direct Replacement
Part Description:
2018 GMC Sierra 3500 HD Turbocharger Gasket
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
$26.56
MSRP:
$43.98
You Save: $17.42 (40%)
Check Fit
Add to Cart
View Related Parts
OEM (Genuine)
2018 GMC Sierra 3500 HD Converter & Pipe Seal
PartNumber:
20987829
VEHICLE SPECIFIC
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:
2018 GMC Sierra 3500 HD Converter & Pipe Seal
More Info
Vehicle Fitment
2018 GMC Sierra 3500 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%)
Check Fit
Add to Cart
View Related Parts
OEM (Genuine)
2018 GMC Sierra 3500 HD Converter & Pipe Seal
PartNumber:
15077362
VEHICLE SPECIFIC
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:
2018 GMC Sierra 3500 HD Converter & Pipe Seal
More Info
Vehicle Fitment
2018 GMC Sierra 3500 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