Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2016 GMC Sierra 3500 HD SLE.


Cometic Gasket
Part # C5883-027
$158.49

Yukon Gear & Axle
Part # YP PC11.5-HELIC
$2253.89

Cometic Gasket
Part # C15383
$18.42

Fel-Pro
Part # OS30693R
$50.59


Cometic Gasket
Part # C5317-027
$97.74

ACL
Part # 5M7299H-STD
$181.73

Wehrli
Part # WCF100240
$38.91


Cometic Gasket
Part # C5318-045
$97.74

National
Part # 710601
$35.76


Gates
Part # 36299
$33.63

Nitrous Express
Part # 15791-1
$48.91

Eaton
Part # 915A568
$1392.68

Sealed Power
Part # 8-2555CP
$44.35

Banks Power
Part # 19259
$434.11

Fel-Pro
Part # CS262692
$138.61

Clevite
Part # SH2125S
$49.04

Cometic Gasket
Part # C5882-053
$158.49
ICON
Part # 89141532B
$77.34

Wehrli
Part # WCF100442
$54.27
aFe
Part # 46-71080B
$438.20
This page groups parts listed for the 2016 GMC Sierra 3500 HD SLE. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.
We offer a wide selection of engine & drivetrain parts for the 2016 GMC Sierra 3500 HD SLE. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.
We carry parts from trusted brands including Cometic Gasket, COMP Cams, King Engine Bearings, Fel-Pro, and ACL, plus many more. Filter by brand to find your preferred manufacturer.
Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.
Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.