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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 1999 Honda Civic Si.
Onix
Part # OR1290
$50.47
Dorman
Part # 626-527
$52.40
Gates
Part # 22413
$25.23
Beck Arnley
Part # 143-0698
$15.46
Vernet
Part # TH6267.78
$10.42
Holstein Parts
Part # 2CTS0121
$11.83
Dayco
Part # 87618
$15.26
GMB
Part # 135-1390
$34.30
Rostra
Part # 68-0231
$24.68
GPD
Part # 2811372
$80.25
Walker Products
Part # 211-1015
$14.60
BLOX Racing
Part # BXAC-00300
$108.80
Graf
Part # PA670
$44.26
GPD
Part # 2811249
$74.13
Beck Arnley
Part # 158-0154
$27.20
Dayco
Part # 87659
$19.03
Four Seasons
Part # 10203SK
$51.28
BLOX Racing
Part # BXCC-00101
$180.00
Koyo
Part # HH080292
$322.37
Dorman
Part # 54223
$15.03
This page groups parts listed for the 1999 Honda Civic Si. 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 cooling system parts for the 1999 Honda Civic Si. 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 Mishimoto, Dayco, Four Seasons, Gates, and Motorad, 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.
