2001 Honda Civic Cooling System Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 138 cooling system parts for the 2001 Honda Civic, across 22 part types, covering both the 1.7L L4 and the 1.7L L4 CNG. Every part shows its brand, manufacturer part number and fitment notes.

On the 2001 Honda Civic, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. 46 parts of the 138 listed are Temperature Sender / Sensor (17 parts), Coolant / Antifreeze (16 parts) and Thermostat / Thermostat Housing / Water Outlet Seal (13 parts). The other 19 part types cover the remaining 92 parts.

Coolant / Antifreeze

Compatible With All Colors

Brand Part Number Markets Notes Buy
PRESTONE Fits: all 2001 Civic engines AF3055
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Prime YellowAll Vehicles
Fitment notes — PRESTONE AF3055
Prime YellowAll VehiclesExtended Life55 GAL DrumConcentratePrime® Extended Life All Makes All Models
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Economy

Brand Part Number Markets Notes Buy
FVP Popular Fits: all 2001 Civic engines MV5050GAL
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended LifeAll Makes / All Models
Fitment notes — FVP MV5050GAL
Extended LifeAll Makes / All Models1 Gallon
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PRESTONE Popular Fits: all 2001 Civic engines AF3100
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Prime Yellow - All VehiclesExtended Life
Fitment notes — PRESTONE AF3100
Prime Yellow - All VehiclesExtended Life1 Gallon
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PEAK Fits: all 2001 Civic engines BQA1GAL
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Blue Mountain Long LifeAll Vehicle
Fitment notes — PEAK BQA1GAL
Blue Mountain Long LifeAll Vehicle1 Gallon
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VALVOLINE Fits: all 2001 Civic engines 719009
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Multi-Vehicle Yellow1 Gallon
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Premium

Brand Part Number Markets Notes Buy
PRESTONE Popular Fits: all 2001 Civic engines AF2100
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
All Vehicles10yr/300k mi
Fitment notes — PRESTONE AF2100
All Vehicles10yr/300k mi1 GallonExtended Life
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PEAK Fits: all 2001 Civic engines PKP1GAL
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
All Vehicles Antifreeze1 Gallon
Fitment notes — PEAK PKP1GAL
All Vehicles Antifreeze1 GallonPREMIUM1 GALLON10X MORE SCALE FIGHTING INHIBITORS10 YEAR/300K MILES
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PEAK Fits: all 2001 Civic engines PXA1GAL
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Global Lifetime1 Gallon
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PRESTONE Fits: all 2001 Civic engines AF6310
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
MAX Original EquipmentAsian Blue
Fitment notes — PRESTONE AF6310
MAX Original EquipmentAsian Blue1 Gallon
(Type: Prediluted)
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PRESTONE Fits: all 2001 Civic engines AFMAX
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Max Universal1 Gallon
Fitment notes — PRESTONE AFMAX
Max Universal1 Gallon15 Year/350k Miles
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Standard Replacement

Brand Part Number Markets Notes Buy
VALVOLINE Popular Fits: all 2001 Civic engines 861398
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Asian Vehicle Blue1 Gallon
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AISIN Fits: all 2001 Civic engines ACB003
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
BlueHOAT
Fitment notes — AISIN ACB003
BlueHOAT
(Type: Prediluted)
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BECK/ARNLEY Fits: all 2001 Civic engines 2521501
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Premium Extra Life BlueAsian
Fitment notes — BECK/ARNLEY 2521501
Premium Extra Life BlueAsianPOAT
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BECK/ARNLEY Fits: all 2001 Civic engines 2521001
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Premium Green1 Gallon
Fitment notes — BECK/ARNLEY 2521001
Premium Green1 GallonPOAT
252-1501 Blue premix Can be used with or In place of Green
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PEAK Fits: all 2001 Civic engines PAB1GAL
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
OET Asian Extended Life Blue1 Gallon
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PENTOSIN Fits: all 2001 Civic engines 8115207
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Pentofrost A31 Gallon
Fitment notes — PENTOSIN 8115207
Pentofrost A31 GallonBluePOAT
(Type: Prediluted)
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This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator.

Coolant Hose / Pipe

Brand Part Number Markets Notes Buy
ACDELCO Fits: all 2001 Civic engines 31003
🇺🇸 US 🇨🇦 CA
Professional / Gold1" x 3' (75 psi) - Priced Per Foot
Fitment notes — ACDELCO 31003
Professional / Gold1" x 3' (75 psi) - Priced Per Foot
Pipe To PipeCut to Fit
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This table covers the hard pipes and extra hoses in the coolant circuit.

Coolant Hose / Pipe Seal

Brand Part Number Markets Notes Buy
FEL-PRO Fits: all 2001 Civic engines 35948
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Water Bypass Seal
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This table covers the seals at the Coolant Hose / Pipe. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Coolant Reservoir

Brand Part Number Markets Notes Buy
SKP Popular Fits: all 2001 Civic engines SK603809
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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GPD Fits: all 2001 Civic engines 2411251
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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LARES Fits: all 2001 Civic engines 37302
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Cap
Fitment notes — LARES 37302
Includes Cap
Front
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MAHLE / CLEVITE Fits: all 2001 Civic engines CRT328000S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Plastic
Fitment notes — MAHLE / CLEVITE CRT328000S
Plastic
435x193.2x106.5with Cap
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TECHPRO Fits: all 2001 Civic engines HO3014109
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ULTRA-POWER Fits: all 2001 Civic engines 603809
🇺🇸 US 🇨🇦 CA
Coolant Recovery Tank
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This table covers the overflow / expansion tanks that hold extra coolant.

Coolant Reservoir Cap

Brand Part Number Markets Notes Buy
CALORSTAT Fits: all 2001 Civic engines RC0207
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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DORMAN Fits: all 2001 Civic engines 54227
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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MOTORAD Fits: all 2001 Civic engines T165
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Standard
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This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.

Cooling Fan Control Module

Brand Part Number Markets Notes Buy
US MOTOR WORKS Fits: all 2001 Civic engines 16789
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Better Control
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US MOTOR WORKS Fits: all 2001 Civic engines 16795
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Best Control
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This table covers the Cooling Fan control modules.

Cooling System Tester Adapter

Brand Part Number Markets Notes Buy
GATES Fits: all 2001 Civic engines 31409
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Cooling System Pressure
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MOTORAD Fits: all 2001 Civic engines 3124
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
StandardRadiator Cap Adapter
Fitment notes — MOTORAD 3124
StandardRadiator Cap Adapter
Cooling System PressureRadiator Cap Adapter
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MOTORAD Fits: all 2001 Civic engines 3125
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Standard
Fitment notes — MOTORAD 3125
Standard
Cooling System Pressure
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This table covers the adapters used to pressure-test this cooling system.

Radiator

Economy

Brand Part Number Markets Notes Buy
GPD Fits: 1.7L L4 CNG 2354C
🇺🇸 US 🇨🇦 CA
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TECHPRO Fits: all 2001 Civic engines HO3010110
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits CoupeAutomatic CVT trans. or Automatic trans.
Fitment notes — TECHPRO HO3010110
Fits:
CoupeAutomatic CVT trans. or Automatic trans.ND DesignDX/EX/LX/Sior SedanAutomatic trans.USA/Canada Built VehicleND Design
USA/Canada Built VehicleND Design
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Standard Replacement

Brand Part Number Markets Notes Buy
CSF Popular Fits: all 2001 Civic engines 2800
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
1 RowPlastic Tank / Aluminum Core
Fitment notes — CSF 2800
1 RowPlastic Tank / Aluminum Core
Denso/Toyo
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DENSO Popular Fits: 1.7L L4 2213220
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Automatic trans.with Denso Radiator
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KOYORAD Popular Fits: all 2001 Civic engines A2354
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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AGILITY Fits: all 2001 Civic engines 8012354
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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FVP Fits: all 2001 Civic engines RAD2354
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Cap
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NISSENS Fits: all 2001 Civic engines 68115
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Brazed cooling fins
Fitment notes — NISSENS 68115
Brazed cooling fins
Fits:
or 2-Door CoupeAutomatic Transwithout Oil Cooler
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OSC Fits: all 2001 Civic engines 2354
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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SPECTRA PREMIUM Fits: all 2001 Civic engines CU2354
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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TYC Fits: 1.7L L4 2354
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits PrimaryCoupe
Fitment notes — TYC 2354
Fits:
PrimaryCoupeAutomatic trans.Denso Brandor PrimarySedanAutomatic trans.Denso BrandUSA, Canada Built Vehicl
or:
PrimarySedanDenso BrandFor vehicle built in Japan
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UAC Fits: all 2001 Civic engines RA2354C
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Downflow
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This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap.

Radiator Cap

Locking Replacement

Brand Part Number Markets Notes Buy
MOTORAD Fits: all 2001 Civic engines ST37
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Safety LeverIndicator Markings Color: Silver
Fitment notes — MOTORAD ST37
Safety LeverIndicator Markings Color: Silver
Relief Pressure 16 lbs
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Standard Replacement

Brand Part Number Markets Notes Buy
CSF Popular Fits: all 2001 Civic engines 4514
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Micro, 16 psi
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GATES Popular Fits: all 2001 Civic engines 31412
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
OE Type
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CALORSTAT Fits: all 2001 Civic engines RC0040
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes 2 sealsMetallic
Fitment notes — CALORSTAT RC0040
Includes 2 sealsMetallicDegassing function
PSI - 20.0
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MOTORAD Fits: all 2001 Civic engines T37
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
StandardIncludes Hose
Fitment notes — MOTORAD T37
StandardIncludes HoseIndicator Markings Color: Red, White, Yellow
Relief Pressure 16 lbs
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SKP Fits: all 2001 Civic engines SK10242
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
16 psi Pressure Rating
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This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.

Radiator Drain Petcock

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2001 Civic engines 490216
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
PlasticScrew-In Type
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This table covers the petcocks used to drain the radiator.

Radiator Fan Assembly

Economy

Brand Part Number Markets Notes Buy
SKP Popular Fits: all 2001 Civic engines SK620219
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
DENSO
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GPD Fits: all 2001 Civic engines 2811277
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LeftRadiator Side
Fitment notes — GPD 2811277
LeftRadiator SideNippondenso
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TECHPRO Fits: all 2001 Civic engines HO3115115
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Motor, Blade, and Shroud
Fitment notes — TECHPRO HO3115115
Includes Motor, Blade, and Shroud
USA or CanadaDenso Design
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Standard Replacement

Brand Part Number Markets Notes Buy
FOUR SEASONS Popular Fits: all 2001 Civic engines 75339
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Nippondenso Radiator Fan Motor
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TYC Fits: all 2001 Civic engines 600380
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LeftDenso Brand
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UAC Fits: all 2001 Civic engines FA50301C
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with OE NIPPONDENSO Unit
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VDO / CONTINENTAL Fits: all 2001 Civic engines FA70118
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Nippondenso Manufactured Unit
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This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.

Radiator Fan Blade

Brand Part Number Markets Notes Buy
VARIOUS MFR Fits: all 2001 Civic engines HO3112105
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Economy Line
Fitment notes — VARIOUS MFR HO3112105
Economy Line
Denso design [Economy Line]
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This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different.

Radiator Fan Motor

Brand Part Number Markets Notes Buy
FOUR SEASONS Popular Fits: all 2001 Civic engines 35254
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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VDO / CONTINENTAL Popular Fits: all 2001 Civic engines PM3777
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
NippondensoNippondenso Manufactured Unit
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ACDELCO Fits: all 2001 Civic engines 1580329
🇺🇸 US 🇨🇦 CA
Gold
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GPD Fits: 1.7L L4 2312138
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LeftCoupe
Fitment notes — GPD 2312138
LeftCoupeNippondenso Design
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TYC Fits: 1.7L L4 630150
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LeftCoupe
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VDO / CONTINENTAL Fits: all 2001 Civic engines PM3347
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
ToyoToyo Manufactured Unit
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This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.

Radiator Fan Shroud

Brand Part Number Markets Notes Buy
ACKOJA Fits: all 2001 Civic engines A26010005
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
DENSO
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This table covers the shrouds that duct air through the fan and radiator.

Radiator Hose

Brand Part Number Markets Notes Buy
GATES Popular Fits: all 2001 Civic engines 22829
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molded
Fitment notes — GATES 22829
Molded
Upper
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GATES Popular Fits: all 2001 Civic engines 22830
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molded
Fitment notes — GATES 22830
Molded
Lower
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ACDELCO Fits: all 2001 Civic engines 20402S
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 20402S
Professional / GoldMolded
Upper
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ACDELCO Fits: all 2001 Civic engines 24501L
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 24501L
Professional / GoldMolded
Lower
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CONTINENTAL Fits: all 2001 Civic engines 62095
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molded
Fitment notes — CONTINENTAL 62095
Molded
Upper
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DAYCO Fits: all 2001 Civic engines 72095
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Curved
Fitment notes — DAYCO 72095
Curved
Upper
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DAYCO Fits: all 2001 Civic engines 72096
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Curved
Fitment notes — DAYCO 72096
Curved
Lower
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This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.

Radiator Mount Bushing

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2001 Civic engines 927240
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits Right Lower
Fitment notes — DORMAN 927240
Fits:
Right Lower
or:
Left Lower
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DORMAN Fits: all 2001 Civic engines 927241
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits Left Upper
Fitment notes — DORMAN 927241
Fits:
Left Upper
or:
Right Upper
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This table covers the Radiator Mount bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.

Temperature Sender / Sensor

Economy

Brand Part Number Markets Notes Buy
SKP Popular Fits: all 2001 Civic engines SK5S1529
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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GPD Fits: all 2001 Civic engines 1712511
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
M20 Threadwith 2 Terminal(s)
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HOLSTEIN Fits: all 2001 Civic engines 2CTS0222
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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HOLSTEIN Fits: all 2001 Civic engines 2CTS0122
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: Rectangular
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UNITED MOTOR PRODUCTS Fits: all 2001 Civic engines CTS87
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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VEMO Fits: all 2001 Civic engines V26720004
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes O-RingThread Size: M10 X 1.25
Fitment notes — VEMO V26720004
Includes O-RingThread Size: M10 X 1.25Plug (Connector): 2 Pins
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Standard Replacement

Brand Part Number Markets Notes Buy
BECK/ARNLEY Popular Fits: all 2001 Civic engines 1580811
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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DELPHI Popular Fits: all 2001 Civic engines TS10296
🇺🇸 US 🇨🇦 CA
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HELLA Popular Fits: all 2001 Civic engines 009309421
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
2-Pin ConnectorBolted
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FACET Fits: all 2001 Civic engines 73299
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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FOUR SEASONS Fits: all 2001 Civic engines 37860
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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NISSENS Fits: all 2001 Civic engines 207066
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Oval Connector, screw-thread Fit, total height: 51.5mm
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NTK Fits: all 2001 Civic engines EF0110
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ROSTRA Fits: all 2001 Civic engines 680231
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Sender or Switch
Fitment notes — ROSTRA 680231
Sender or Switch
Engine Mounted
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STANDARD MOTOR PRODUCTS Fits: all 2001 Civic engines TX97
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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WALKER PRODUCTS Fits: all 2001 Civic engines 2111075
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Sensor Only
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WELLS Fits: all 2001 Civic engines 5S1529
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Connector Shape: Rectangular
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This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender.

Thermostat

Heavy Duty

Brand Part Number Markets Notes Buy
GATES Fits: all 2001 Civic engines 33340S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Premium
Fitment notes — GATES 33340S
Premium
170 DegreeOE Temperature
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MOTORAD Fits: all 2001 Civic engines 5328170
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Ultra Stat
Fitment notes — MOTORAD 5328170
Ultra Stat
170 Degrees FOE Specified Temperature
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Performance

Brand Part Number Markets Notes Buy
MOTORAD Fits: all 2001 Civic engines 2328170
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Flow
Fitment notes — MOTORAD 2328170
High Flow
170 Degrees FOE Specified Temperature
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Premium

Brand Part Number Markets Notes Buy
MOTORAD Popular Fits: all 2001 Civic engines 7328170
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fail-Safe
Fitment notes — MOTORAD 7328170
Fail-Safe
170 Degrees FOE Specified Temperature
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Standard Replacement

Brand Part Number Markets Notes Buy
AISIN Popular Fits: all 2001 Civic engines THH007
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
78°C (172°F) OE Temp
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MOTORAD Popular Fits: all 2001 Civic engines 328170
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Standard
Fitment notes — MOTORAD 328170
Standard
170 Degrees FOE Specified Temperature
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BECK/ARNLEY Fits: all 2001 Civic engines 1430807
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Gasket/Seal
Fitment notes — BECK/ARNLEY 1430807
Includes Gasket/Seal
OE TEMPERATURETemperature: 77C/170F
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CALORSTAT Fits: all 2001 Civic engines TH626778
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does not include seal
Fitment notes — CALORSTAT TH626778
Does not include seal
172.0 F Degreeswith Narrower Main ValveOff-Set Valve Seat
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FACET Fits: all 2001 Civic engines 78267
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Gasket
Fitment notes — FACET 78267
Includes Gasket
Fits:
Vendor: Fuji Thompsonor Vendor: Nippon
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JAPANESE OE Fits: all 2001 Civic engines WV52BC78
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Tama
Fitment notes — JAPANESE OE WV52BC78
Tama
Actual OE Part78C (172F) OE Temp Thermostat
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MAHLE / CLEVITE Fits: all 2001 Civic engines TX14478D
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Gasket or Seal
Fitment notes — MAHLE / CLEVITE TX14478D
Includes Gasket or Seal
Start to Open Temperature: 78 C
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This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part.

Thermostat / Thermostat Housing / Water Outlet Seal

Brand Part Number Markets Notes Buy
AISIN Popular Fits: all 2001 Civic engines THP505
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Thermostat Seal
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FEL-PRO Popular Fits: all 2001 Civic engines 35734
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Thermostat Seal
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GATES Popular Fits: all 2001 Civic engines 33615
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Thermostat Seal - 1 27/32" x 2 13/32" x 7/32" (Grooved, Molded)
Fitment notes — GATES 33615
Thermostat Seal - 1 27/32" x 2 13/32" x 7/32" (Grooved, Molded)
Thermostat Seal
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APEX Fits: all 2001 Civic engines AWO2204
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Thermostat Seal
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BECK/ARNLEY Fits: all 2001 Civic engines 0396553
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Thermostat to Cover Seal
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BECK/ARNLEY Fits: all 2001 Civic engines 0396554
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Water Outlet Seal
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CALORSTAT Fits: all 2001 Civic engines J132
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Inside Diameter: 1.7 In
Fitment notes — CALORSTAT J132
Inside Diameter: 1.7 In
Thermostat Seal
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FACET Fits: all 2001 Civic engines 79530
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Thermostat Seal
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MAHLE / CLEVITE Fits: all 2001 Civic engines C31849
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molded Rubber
Fitment notes — MAHLE / CLEVITE C31849
Molded Rubber
Thermostat Seal
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MAHLE / CLEVITE Fits: all 2001 Civic engines C31848
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber Coated Embossed Metal
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MOTORAD Fits: all 2001 Civic engines MG83
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Thermostat Seal
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VICTOR REINZ Fits: all 2001 Civic engines 711535600
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Replaces OE Part Number(s) 19305-PLC-A00Thermostat Seal
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VICTOR REINZ Fits: all 2001 Civic engines 714030100
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
At Water PassageWater Outlet Seal
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This table covers the seals at the thermostat housing and water outlet. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Thermostat Housing / Water Outlet

Economy

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: all 2001 Civic engines 9025016
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Thermostat Housing
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FAMOUS BRAND Fits: all 2001 Civic engines 85194
🇺🇸 US 🇨🇦 CA
Water Outlet HousingOutlet
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GPD Fits: all 2001 Civic engines 8241436
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Water Outlet
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Standard Replacement

Brand Part Number Markets Notes Buy
BECK/ARNLEY Popular Fits: 1.7L L4 1470074
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
DX Model or LX ModelWater Outlet
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FOUR SEASONS Fits: all 2001 Civic engines 85194
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Water Outlet
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MOTORAD Fits: all 2001 Civic engines CH6016
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits Thermostat Housingor Water Outlet
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This table covers the housings and outlets the thermostat sits in.

Water Pump

Economy

Brand Part Number Markets Notes Buy
SKP Popular Fits: all 2001 Civic engines SK1352420
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ACKOJA Fits: all 2001 Civic engines A2650001
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Seal
Fitment notes — ACKOJA A2650001
with Seal
with Pulley
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BECK/ARNLEY Fits: all 2001 Civic engines 1312271
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Gasket
Fitment notes — BECK/ARNLEY 1312271
Includes Gasket
Metal Impeller
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FVP Fits: all 2001 Civic engines US9419
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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US MOTOR WORKS Fits: all 2001 Civic engines US9419
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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WJB / INMOTION PARTS Fits: all 2001 Civic engines WU9419
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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Standard Replacement

Brand Part Number Markets Notes Buy
AISIN Popular Fits: all 2001 Civic engines WPH044
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Gasket
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GATES Popular Fits: all 2001 Civic engines 41115
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Timing belt driven
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DAYCO Fits: all 2001 Civic engines DP198
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Timing Belt Should be Replaced with Water Pump
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GMB Fits: all 2001 Civic engines 1352420
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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GRAF Fits: all 2001 Civic engines PA876
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off.

Water Pump Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: all 2001 Civic engines 35627
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
To Block
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APEX Fits: all 2001 Civic engines AWP3126
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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BECK/ARNLEY Fits: all 2001 Civic engines 0394084
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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MAHLE / CLEVITE Fits: all 2001 Civic engines K31332
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molded Rubber
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VICTOR REINZ Fits: all 2001 Civic engines 714031200
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the gaskets between the water pump and the block or housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Buying Cooling System Parts for a 2001 Honda Civic

On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.

  • Match the engine first. Some cooling system parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Temperature Sender / Sensor and Coolant / Antifreeze .

Frequently Asked Questions

How many cooling system parts fit the 2001 Honda Civic?

Our catalog currently lists 138 cooling system parts for the 2001 Honda Civic across 22 subcategories and 53 brands, covering both the 1.7L L4 and the 1.7L L4 CNG. Each part is matched to the engine(s) it fits.

Do cooling system parts differ between 2001 Honda Civic engines?

Some do. 132 parts fit every engine; the other 6 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of cooling system problems on a 2001 Honda Civic?

Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2001 Honda Civic was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2001 Honda Civic?

First match the engine — each row shows which engine(s) the part fits. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2001 Honda Civic

Cooling System Parts for Other Honda Civic Years

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