PRL Motorsports High Performance 1.3 Bar Radiator Cap 12-15 Honda Civic

$26.99

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MAHLE Original Thermostat Housing Gasket 12-15 Honda Civic SI

$9.57

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Fel-Pro Engine Coolant Thermostat Housing Gasket 12-15 Honda Civic SI

$4.00

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MAHLE Original Thermostat Housing Gasket 12-15 Honda Civic SI

$6.56

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MAHLE Original Water Manifold Sealing Ring 12-14 Honda Civic SI

$5.21

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Fel-Pro 12-15 Honda Civic SI Engine Water Pump Gasket

$4.00

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MAHLE Original Water Pump Gasket 12-15 Honda Civic SI

$7.51

Koyo 12-15 Honda Civic SI 2.4L (MT) Radiator

$433.80

Hybrid Racing T-Bolt Radiator Hose Clamp Kit (Universal)

$34.99

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Gates 12-15 Honda Civic SI By Pass Molded Heater Hose

$14.00

Hybrid Racing Radiator Hoses 12-15 Honda Civic SI

$89.99

Skunk2 12-15 Honda Civic Si Radiator Hose Kit

$104.26

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K-TUNED UPPER COOLANT HOUSING (STRAIGHT ELBOW) K24 & K20Z3 (W/ FILLER NECK & HOSE FITTING)

from $179.99

K-TUNED UPPER COOLANT HOUSING K24 & K20Z3

$189.99

K-TUNED R40 UPPER COOLANT HOUSING (STRAIGHT ELBOW): K24Z-SERIES W/ 12AN FITTING 12-15 Honda Civic Si / 09-14 Acura TSX

$189.99

K-Tuned Upper Coolant Housing K24Z 12-15 Honda Civic SI / 13-15 Acua ILX

$169.99

sale

Precision Works K Series Swap Intake Manifold Coolant Adapter Plate K20 Manifold On K24 Head RSX

$54.95 $99.00

sale

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Hybrid Racing Low Temp Thermostat (K20Z3 & K24A2, K24Z7) 12-15 Honda Civic SI

$119.99

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Precision Works K-Series Swivel Neck Thermostat Housing 12-15 Honda Civic SI

$79.00

sale

Precision Works K-Series Swivel Neck Thermostat Housing V2 Black 12-15 Honda Civic SI

$130.00 $229.00

sale