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Choose your trim in My Garage to confirm exact fit.
Fel-Pro
Part # SS72821
$40.73
Fel-Pro
Part # 26370PT
$42.89
Fel-Pro
Part # TCS45997
$24.44
Carrillo
Part # SCR6506-4
$1282.50
Hella
Part # 009107531
$26.16
Cometic Gasket
Part # C4344-030
$109.75
Cometic Gasket
Part # C4362-120
$249.06
Cometic Gasket
Part # C4510-080
$177.61
Sealed Power
Part # E-1018KC
$61.18
Cometic Gasket
Part # C4362-040
$109.75
Cometic Gasket
Part # C4381-060
$142.14
ContiTech
Part # 6PK2245
$45.61
Spectra Premium
Part # NSP24A
$46.87
Cometic Gasket
Part # C4510-027
$109.75
Manley Performance
Part # 11150-1
$40.70
Brian Crower
Part # BC8222
$246.00
Clevite
Part # CB1857P50MM(6)
$62.95
NGK
Part # 48845
$57.72
Victor Reinz
Part # CS54444
$67.33
Manley Performance
Part # 623100C-6
$1146.20
This page groups parts listed for the 2003 Nissan Altima. 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 2003 Nissan Altima. 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, Victor Reinz, Fel-Pro, King Engine Bearings, and Manley Performance, 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.
