181+ 2003 Honda Civic Cooling System SiR Parts - Page 3

SiR · Cooling System (118 products)

Exact-fit parts for the 2003 Honda Civic SiR.

Four Seasons

Part # 76804

Fits with Conditions

Battery Cooling Fan Motor w/ Wheel

$217.52

Spectra Premium

Part # 7-3206

Fits with Conditions

A/C Condenser

$108.40

GMB

Part # 135-2420

Confirmed Fit

Engine Water Pump

$35.44

Dorman

Part # 902-5016

Fits with Conditions

Engine Coolant Thermostat Housing

$14.85

Radiator Fan Assembly Without Controller

Dorman

Part # 620-220

Fits with Conditions

Radiator Fan Assembly Without Controller

$60.61

Onix

Part # OR2354

Fits with Conditions

Radiator

$79.08

Collision

Part # HO3115115

Fits with Conditions

Engine Cooling Fan Assembly

$69.13

Graf

Part # PA970

Fits with Conditions

Water Pump

$64.26

Four Seasons

Part # 75750

Fits with Conditions

2 Pole Radiator Fan Motor

$68.72

Dorman

Part # 902-117

Fits with Conditions

Engine Coolant Thermostat Housing

$40.48

Motorad

Part # 2042-170

Fits with Conditions

High Flow Thermostat-170 Degrees

$9.75

Denso

Part # 477-0630

Fits with Conditions

Air Conditioning Condenser

$97.08

Denso

Part # 221-3220

Fits with Conditions

Radiator

$114.98

Collision

Part # HO1225127

Fits with Conditions

Radiator Support

$72.50

Aisin

Part # THH-016

Fits with Conditions

Engine Coolant Thermostat Assembly

$21.35

Motorad

Part # 2328-170

Fits with Conditions

High Flow Thermostat-170 Degrees

$13.08

Timing Belt Kit With Water Pump - Standard Series

ContiTech

Part # CK312LK1

Fits with Conditions

Timing Belt Kit With Water Pump - Standard Series

$128.38

Designed to transfer glycol-based coolant throughout the vehicle's cooling system. The EPDM tube and cover and the synthetic reinforcement meets or exceeds SAE 20R4EC Class D1 specifications. Exact OEM configuration ensures a perfect fit.

ContiTech

Part # 62504

Fits with Conditions

Designed to transfer glycol-based coolant throughout the vehicle's cooling system. The EPDM tube and cover and the synthetic reinforcement meets or exceeds SAE 20R4EC Class D1 specifications. Exact OEM configuration ensures a perfect fit.

$17.22

Motorad

Part # 5328-170

Fits with Conditions

UltraStat Thermostat-170 Degrees

$19.31

Nissens

Part # 95951

Fits with Conditions

A/C Receiver Drier

$22.81

Frequently Asked Questions

Do these parts fit my 2003 Honda Civic SiR?

This page groups parts listed for the 2003 Honda Civic SiR. 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 2003 Honda Civic SiR?

We offer a wide selection of cooling system parts for the 2003 Honda Civic SiR. 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 2003 Honda Civic SiR?

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

How fast do 2003 Honda Civic SiR 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 2003 Honda Civic SiR 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.

2003 Honda Civic(3,301 parts)

2003 Honda Civic(3,301 parts)

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Other Honda Civic Years

SiR · Cooling System (118 products)

Battery Cooling Fan Motor w/ Wheel

A/C Condenser

Engine Water Pump

Engine Coolant Thermostat Housing

Radiator Fan Assembly Without Controller

Radiator

Engine Cooling Fan Assembly

Water Pump

2 Pole Radiator Fan Motor

Engine Coolant Thermostat Housing

High Flow Thermostat-170 Degrees

Air Conditioning Condenser

Radiator

Radiator Support

Engine Coolant Thermostat Assembly

High Flow Thermostat-170 Degrees

Timing Belt Kit With Water Pump - Standard Series

Designed to transfer glycol-based coolant throughout the vehicle's cooling system. The EPDM tube and cover and the synthetic reinforcement meets or exceeds SAE 20R4EC Class D1 specifications. Exact OEM configuration ensures a perfect fit.

UltraStat Thermostat-170 Degrees

A/C Receiver Drier

Frequently Asked Questions

Do these parts fit my 2003 Honda Civic SiR?

What cooling system options are available for my 2003 Honda Civic SiR?

What brands make parts for the 2003 Honda Civic SiR?

How fast do 2003 Honda Civic SiR parts ship?

What warranty do your 2003 Honda Civic SiR parts come with?