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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2003 Chevrolet Impala Police.
Spectra Premium
Part # GMP11B
$91.96
Fel-Pro
Part # BS40649
$21.67
Standard Motor Products
Part # HP4636
$30.94
Gates
Part # 38006
$24.81
Nitrous Express
Part # 20215-12
$2089.32
Royal Purple
Part # 61320
$279.99
Dayco
Part # 5060918
$36.24
Cometic Gasket
Part # C5721-098
$163.60
Nitrous Express
Part # 20215-10
$1203.29
URO Parts
Part # CE1413074
$49.02
Litens
Part # 999552A
$51.21
Fel-Pro
Part # 9917PT
$19.44
Dorman
Part # 555-104
$18.45
Nitrous Express
Part # 20224-05
$1446.46
Sealed Power
Part # 3760A
$12.63
Motul
Part # 105774
$144.58
Dorman
Part # 594-148
$72.98
Fel-Pro
Part # 70783
$2.16
Fel-Pro
Part # HS9917PT3
$186.14
Victor Reinz
Part # VS50123
$13.11
This page groups parts listed for the 2003 Chevrolet Impala Police. 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 Chevrolet Impala Police. 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, Fel-Pro, Nitrous Express, Victor Reinz, and King Engine Bearings, 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.
