96+ 1990 Honda Civic Cooling System Si Parts - Page 2

Si · Cooling System (95 products)

Exact-fit parts for the 1990 Honda Civic Si.

Gates

Part # 18782

Confirmed Fit

Gates 98-02 Toyota Corolla 4-Cyl. 1.8L Heater To Pipe-2 Molded Heater Hose

$22.30

Gates

Part # 18201

Confirmed Fit

Gates 00-06 Toyota Tundra V-8 4.7L By Pass Molded Heater Hose

$13.40

Gates

Part # 33340S

Confirmed Fit

Gates 86-01 Acura Integra / 90-02 Honda Accord / 84-09 Civic / 87-91 Sterling Super Stat Thermostat

$13.76

Timing Belt Kit With Water Pump - Pro Series Plus

ContiTech

Part # PP143LK2

Fits with Conditions

Timing Belt Kit With Water Pump - Pro Series Plus

$109.43

Engine Timing Belt Component Kit w/ Water Pump

GMB

Part # 3435-0143

Confirmed Fit

Engine Timing Belt Component Kit w/ Water Pump

$109.97

Dorman

Part # 902-5042

Fits with Conditions

Engine Coolant Thermostat Housing

$16.28

Koyo

Part # KH080146

Confirmed Fit

Koyo 88-91 Honda Civic / CRX EF Chassis w/B-Series (Manual Transmission) All-Aluminum Radiator

$337.73

Skunk2 Alpha Series 88-91 Honda Civic/CRX Radiator (Half Size) (Dual Core)

Skunk2 Racing

Part # 349-05-1550

Confirmed Fit

Skunk2 Alpha Series 88-91 Honda Civic/CRX Radiator (Half Size) (Dual Core)

$230.81

Beck Arnley

Part # 143-0695

Fits with Conditions

THERMOSTAT

$15.08

Motorad

Part # 5242-170

Fits with Conditions

UltraStat Thermostat-170 Degrees

$23.02

Dayco

Part # WP143K1A

Fits with Conditions

WATER PUMP KIT, DAYCO

$100.64

Cometic Honda D15B1/D15B2/D15B7/D16A6/D16A7 Water Pump O-Ring

Cometic Gasket

Part # C4700

Confirmed Fit

Cometic Honda D15B1/D15B2/D15B7/D16A6/D16A7 Water Pump O-Ring

$11.89

Gates

Part # 31333

Confirmed Fit

Gates Acura / Chevrolet / Ford / GMC / Honda / Infiniti / Mazda / Mitsubishi / Nissan Radiator Cap

$8.68

Timing Belt Kit With Water Pump - Pro Series

ContiTech

Part # TB143LK2

Confirmed Fit

Timing Belt Kit With Water Pump - Pro Series

$117.19

Fel-Pro

Part # 35498

Confirmed Fit

Fel-Pro Honda Civic 35498 Engine Coolant Outlet Gasket

$1.88

Mishimoto

Part # MMTS-CIV-92L

Confirmed Fit

Mishimoto 92-00 Honda Civic/92-96 Prelude/97-99 CL/90-99 Accord 155 Deg F/68 Deg C Racing Thermostat

$66.51

Mishimoto

Part # MMFS-CRX-88

Confirmed Fit

Mishimoto 88-91 Honda CRX Aluminum Fan Shroud Kit

$260.04

Gates

Part # 21432

Confirmed Fit

Gates 84-91 Honda Civic 4-Cyl. 1.5L Upper Molded Coolant Hose

$22.14

Skunk2 Alpha Series 88-91 Honda CRX/Civic Radiator (Full Size) (Dual Core) (Manual Trans.)

Skunk2 Racing

Part # 349-05-1500

Confirmed Fit

Skunk2 Alpha Series 88-91 Honda CRX/Civic Radiator (Full Size) (Dual Core) (Manual Trans.)

$257.60

Nissens

Part # 62276

Fits with Conditions

Radiator

$131.52

Frequently Asked Questions

Do these parts fit my 1990 Honda Civic Si?

This page groups parts listed for the 1990 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.

What cooling system options are available for my 1990 Honda Civic Si?

We offer a wide selection of cooling system parts for the 1990 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.

What brands make parts for the 1990 Honda Civic Si?

We carry parts from trusted brands including Gates, Motorad, Mishimoto, Beck Arnley, and ContiTech, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1990 Honda Civic Si parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 1990 Honda Civic Si parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

1990 Honda Civic(1,968 parts)

1990 Honda Civic(1,968 parts)

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Other Honda Civic Years

Si · Cooling System (95 products)

Gates 98-02 Toyota Corolla 4-Cyl. 1.8L Heater To Pipe-2 Molded Heater Hose

Gates 00-06 Toyota Tundra V-8 4.7L By Pass Molded Heater Hose

Gates 86-01 Acura Integra / 90-02 Honda Accord / 84-09 Civic / 87-91 Sterling Super Stat Thermostat

Timing Belt Kit With Water Pump - Pro Series Plus

Engine Timing Belt Component Kit w/ Water Pump

Engine Coolant Thermostat Housing

Koyo 88-91 Honda Civic / CRX EF Chassis w/B-Series (Manual Transmission) All-Aluminum Radiator

Skunk2 Alpha Series 88-91 Honda Civic/CRX Radiator (Half Size) (Dual Core)

THERMOSTAT

UltraStat Thermostat-170 Degrees

WATER PUMP KIT, DAYCO

Cometic Honda D15B1/D15B2/D15B7/D16A6/D16A7 Water Pump O-Ring

Gates Acura / Chevrolet / Ford / GMC / Honda / Infiniti / Mazda / Mitsubishi / Nissan Radiator Cap

Timing Belt Kit With Water Pump - Pro Series

Fel-Pro Honda Civic 35498 Engine Coolant Outlet Gasket

Mishimoto 92-00 Honda Civic/92-96 Prelude/97-99 CL/90-99 Accord 155 Deg F/68 Deg C Racing Thermostat

Mishimoto 88-91 Honda CRX Aluminum Fan Shroud Kit

Gates 84-91 Honda Civic 4-Cyl. 1.5L Upper Molded Coolant Hose

Skunk2 Alpha Series 88-91 Honda CRX/Civic Radiator (Full Size) (Dual Core) (Manual Trans.)

Radiator

Frequently Asked Questions

Do these parts fit my 1990 Honda Civic Si?

What cooling system options are available for my 1990 Honda Civic Si?

What brands make parts for the 1990 Honda Civic Si?

How fast do 1990 Honda Civic Si parts ship?

What warranty do your 1990 Honda Civic Si parts come with?