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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2021 Ram 1500 Classic Special Service.
Standard Motor Products
Part # OFC101
$18.23
Royal Purple
Part # 37520
$2101.99
LIQUI MOLY
Part # 22184
$1847.13
Royal Purple
Part # 55520
$1733.43
Royal Purple
Part # 05300
$340.99
LIQUI MOLY
Part # 22154
$1992.31
Reinz
Part # 13-10011-01
$14.21
Royal Purple
Part # 05520
$176.27
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This page groups parts listed for the 2021 Ram 1500 Classic Special Service. 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 Special Service. 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 LIQUI MOLY, Royal Purple, Dorman, Standard Motor Products, and aFe, 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.
