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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 1999 Honda Civic Si.
Motorad
Part # 328-170
$11.64
Four Seasons
Part # 54296
$77.58
Denso
Part # 221-3208
$89.15
Mishimoto
Part # MMFS-CIV-92BK
$219.08
Motorad
Part # CH5158
$22.47
Mishimoto
Part # MMRS-ARD
$16.33
Mishimoto
Part # MMHOSE-HON-K20BK
$102.35
Gates
Part # 41048
$101.22
BLOX Racing
Part # BXAC-00300-SI
$26.73
Facet
Part # 7.8267
$17.36
BLOX Racing
Part # BXAC-00300-BK
$18.40
Facet
Part # 7.3198
$23.28
Facet
Part # 7.3052
$10.52
Victor Reinz
Part # K31332
$11.34
Facet
Part # 7.5196
$25.29
Gates
Part # 44405
$66.62
Showing 121-136 of 136
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.
