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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2021 Ram 1500 Classic Express.
LIQUI MOLY
Part # 20381
$1525.02
K&N
Part # SO-7026
$12.77
Motorad
Part # MO327
$15.88
LIQUI MOLY
Part # 22090
$25.88
Royal Purple
Part # 11749
$134.92
Cloyes
Part # 9-5755
$12.45
LIQUI MOLY
Part # 20226
$71.09
Dorman
Part # 624-871
$154.04
Royal Purple
Part # 60530
$198.86
Royal Purple
Part # 36520
$71.94
aFe
Part # 44-LF039
$25.91
Standard Motor Products
Part # PS1000
$47.32
LIQUI MOLY
Part # 20369
$1391.69
LIQUI MOLY
Part # 20138
$145.98
Royal Purple
Part # 06300
$113.94
Royal Purple
Part # 06520
$65.94
URO Parts
Part # CY1416778
$28.16
Vernet
Part # OC2333
$14.45
Dorman
Part # 917-190
$19.54
Royal Purple
Part # 37518
$134.92
This page groups parts listed for the 2021 Ram 1500 Classic Express. 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 oil & fluids parts for the 2021 Ram 1500 Classic Express. 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 Royal Purple, LIQUI MOLY, Dorman, aFe, and K&N, 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.
