K-Tuned Oil Cooler Fittings K Series w/Oil Cooler 06-11 Honda Civic SI

$79.99

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Circuit Hero K-Series Coolant Tube Block Plug 06-11 Honda Civic SI

$25.00

Hybrid Racing K-Series Thermostat Housing Plug & Bracket 06-11 Honda Civic SI

$24.99

PRL Motorsports High Performance 1.3 Bar Radiator Cap 06-11 Honda Civic

$26.99

Chase Bays Raised Inline Filler Neck 06-11 Honda Civic

from $149.99

K-Tuned Water Plate Kit K Series Incl. Electric Water Pump

$599.99

K-TUNED Upper Coolant Housing K24 & K20Z3 06-11 Honda Civic SI

from $149.99

K-Tuned Upper Coolant Housing K20A/A2/A3/Z1 (Housing Only)

$139.99

Koyorad Filler Neck 06-11 Honda Civic

$75.00

sale

Precision Works K Series Filler Neck Upgrade For Upper Coolant Housing 06-11 Honda Civic SI K20

$50.00 $99.00

sale

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Precision Works K-Series Filler Neck Upgrade (Remote Filler) 06-11 Honda Civic SI

$40.00

Precision Works K-Series Swivel Neck Thermostat Housing 06-11 Honda Civic SI

$79.00

sale

Precision Works K-Series Swivel Neck Thermostat Housing V2 Black 06-11 Honda Civic SI

$130.00 $229.00

sale

Precision Works K Series Upper Coolant Housing - Straight Inlet Hose Fitting For 06-11 Honda Civic SI K20Z3 K24

$79.95

Hybrid Racing 31mm to 36mm Adjustable T-Bolt Hose Clamp

$19.98

Hybrid Racing Radiator Hose T Bolt Clamp Kit 06-11 Honda Civic SI

$54.99

Hybrid Racing Oil Cooler Hoses 06-11 Honda Civic SI

$39.99

Hybrid Racing Silicone Radiator Hoses 06-11 Honda Civic SI

$129.99

HPS Silicone Radiator Hose Kit 06-11 Honda Civic SI

$155.00

HPS Silicone Radiator Hose Kit Coolant 06-11 Honda Civic 1.8L non SI

$133.00

Mishimoto 06-11 Honda Civic SI Black Silicone Hose Kit

$107.95

Mishimoto 06-11 Honda Civic (Non Si) Red Silicone Hose Kit

$117.95

K-Tuned Coolant Recirculation Hose 06-11 Honda Civic SI

$39.99

K-Tuned Silicone Radiator Hoses 06-11 Honda Civic SI

$99.99

K-Tuned Silicone Radiator Upper Hose 06-11 Honda Civic SI

$84.99

Skunk2 06-11 Honda Civic SI Radiator Hose Kit (Blk/Rd 2 Hose Kit)

$104.26

Weapon R 06-11 Honda Civic SI 2 Piece Coolant Silicone Radiator Hose Kit

$93.47

Skunk2 06-10 Honda Civic SI Radiator Cap

$35.58

Hybrid Racing Thermostat Housing K Series 06-11 Honda Civic SI

$219.99

Hybrid Racing Low Temp Thermostat (K20Z3 & K24A2, K24Z7) 06-11 Honda Civic SI

$119.99

Mishimoto 06-11 Honda Civic Si Racing Thermostat 68 Degrees

$91.95

Mishimoto 06-11 Honda Civic 155 Deg F/68 Deg C Racing Thermostat

$64.95

Fel-Pro Engine Coolant Thermostat Housing Gasket 06-11 Honda Civic SI

$4.00

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MAHLE Original Thermostat Housing Gasket 06-11 Honda Civic SI

$9.57

Fel-Pro Engine Coolant Thermostat Housing Gasket 06-11 Honda Civic Si

$4.00

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MAHLE Original Thermostat Housing Gasket 06-11 Honda Civic SI

$6.56

Fel-Pro 06-11 Honda Civic SI Engine Coolant Outlet Gasket

$4.00

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MAHLE Original Water Manifold Sealing Ring 06-11 Honda Civic SI

$5.21

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MAHLE Original Water Pipe Sealing Ring 06-10 Honda Civic SI

$4.40

Skunk2 Alpha Series 06-11 Honda Civic SI Sedan & Coupe Radiator (Dual Core)

$242.01

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Koyo OE Radiator 06-10 Honda Civic 1.3L (AT)

$152.40

Koyo 06-11 Honda Civic SI 2.0L Coupe/Sedan (MT) Radiator

$384.80

Mishimoto 06-11 Honda Civic SI Sedan & Coupe Aluminum Fan Shroud Kit

$255.95

Mishimoto 06-11 Honda Civic SI Sedan & Coupe Manual Aluminum Radiator

$335.95