90 Cooling system parts are listed for the 2018 Toyota Corolla Im, in 13 part types, covering the 1.8L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2018 Toyota Corolla Im, 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. Most of the listed parts are Coolant / Antifreeze (17 parts), Temperature Sender / Sensor (14 parts) and Thermostat / Thermostat Housing / Water Outlet Seal (12 parts). The other 10 part types cover the remaining 47 parts.
The 2018 Toyota Corolla Im came with a single engine, the 1.8L L4, and every part is verified against it.
40 brands supply cooling system parts for the 2018 Toyota Corolla Im, led by GATES (8 parts), BECK/ARNLEY (7 parts) and PRESTONE (5 parts), plus 37 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Toyota Corolla Im. 18 parts have it, including FVP MV5050GAL (Coolant / Antifreeze) and CSF 3919 (Radiator). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇺🇸 US 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA | Global Lifetime1 Gallon | View on Amazon |
| PRESTONE | AF6210 | 🇺🇸 US 🇨🇦 CA | MAX Original EquipmentAsian Red/Pink | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN Popular | ACT002 | 🇺🇸 US 🇨🇦 CA | PinkHOAT | View on Amazon |
| VALVOLINE Popular | 675130 | 🇺🇸 US 🇨🇦 CA | Asian Vehicle Red1 Gallon | View on Amazon |
| AISIN | ACT002C | 🇺🇸 US 🇨🇦 CA | Pink - Canada OnlyHOAT | View on Amazon |
| BECK/ARNLEY | 2521502 | 🇺🇸 US 🇨🇦 CA | Premium Extra Life Pink | View on Amazon |
| BECK/ARNLEY | 2521002 | 🇺🇸 US 🇨🇦 CA | Premium Red | View on Amazon |
| PEAK | PAR1GAL | 🇺🇸 US 🇨🇦 CA | OET Asian Extended Life Red1 Gallon | View on Amazon |
| PENTOSIN | 8115209 | 🇺🇸 US 🇨🇦 CA | Pentofrost A41 Gallon | View on Amazon |
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.
17 Coolant / Antifreeze parts are listed for the 2018 Toyota Corolla Im, from PRESTONE, PEAK, VALVOLINE and 4 other brands. FVP MV5050GAL carries the "Popular" badge.
The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.
In the Economy grade, FVP, PEAK, PRESTONE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.
The Premium section lists 5 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.
The Standard Replacement section lists 7 options from AISIN, BECK/ARNLEY, VALVOLINE and 2 other brands — built to original-equipment specification. AISIN ACT002 is listed in this group.
Coolant Hose Connector / Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 85356 | 🇺🇸 US 🇨🇦 CA | Water Inlet | View on Amazon |
This table covers the Coolant Hose Connector flanges.
One part is listed for the 2018 Toyota Corolla Im — FOUR SEASONS 85356.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT | RC0145 | 🇺🇸 US 🇨🇦 CA | Attachment Type: Threaded | View on Amazon |
| GATES | 31541 | 🇺🇸 US 🇨🇦 CA | OE TypeThreaded (Closed System) - (SAE Range 18-20 psi) | View on Amazon |
| MOTORAD | T51 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
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.
3 Coolant Reservoir Cap parts for the 2018 Toyota Corolla Im come from 3 brands — CALORSTAT, GATES and MOTORAD.
This group includes CALORSTAT RC0145, GATES 31541 and MOTORAD T51.
Cooling Fan Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 902417 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GATES | FCM110 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP | SK902417 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | RY1889 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER | RY1889 | 🇺🇸 US 🇨🇦 CA | Engine COOLING FAN MODULE | View on Amazon |
This table covers the Cooling Fan control modules.
5 Cooling Fan Control Module parts for the 2018 Toyota Corolla Im come from 5 brands — DORMAN, GATES, SKP and 2 other brands.
Part numbers include DORMAN 902417, GATES FCM110 and SKP SK902417, among others listed above.
Radiator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CSF Popular | 3919 | 🇺🇸 US 🇨🇦 CA | Upgraded with Higher Performance & Stronger B Tube Design | View on Amazon |
| KOYORAD Popular | A13552 | 🇺🇸 US 🇨🇦 CA | External Oil Cooler | View on Amazon |
| AGILITY | 8013552 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NISSENS | 64692 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| OSC | 13552 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SPECTRA PREMIUM | CU13552 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TYC | 13552 | 🇺🇸 US 🇨🇦 CA | PRIMARY | View on Amazon |
| UAC | RA13552C | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
8 Radiator parts are listed for the 2018 Toyota Corolla Im, from CSF, KOYORAD, AGILITY and 5 other brands. CSF 3919 carries the "Popular" badge.
Part numbers include CSF 3919, KOYORAD A13552 and AGILITY 8013552, among others listed above.
Radiator Fan Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 76251 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NISSENS | 850560 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UAC | FA50743C | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
3 Radiator Fan Assembly parts for the 2018 Toyota Corolla Im come from 3 brands — FOUR SEASONS, NISSENS and UAC.
Listed part numbers: FOUR SEASONS 76251, NISSENS 850560 and UAC FA50743C.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Popular | 66202 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| CONTINENTAL Popular | 66204 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| CONTINENTAL | 66205 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES | 52047 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES | 51998 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES | 52053 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
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.
6 Radiator Hose parts for the 2018 Toyota Corolla Im come from 2 brands — CONTINENTAL and GATES. The "Popular" part is CONTINENTAL 66202.
This group includes CONTINENTAL 66202, CONTINENTAL 66204 and CONTINENTAL 66205 and the remaining parts above.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular | 5S1616 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GPD | 1712514 | 🇺🇸 US 🇨🇦 CA | Located on Cylinder Head | View on Amazon |
| HOLSTEIN | 2CTS0051 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS | CTS25 | 🇺🇸 US 🇨🇦 CA | Rectangular Connector | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular | TS10289 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular | TX40 | 🇺🇸 US 🇨🇦 CA | Rectangular Connector2 Terminal | View on Amazon |
| ACDELCO | D583 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| BECK/ARNLEY | 1581585 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DENSO | 1931000 | 🇺🇸 US 🇨🇦 CA | Engine Coolant Temperature Sensor | View on Amazon |
| FACET | 73323 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NTK | EF0157 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | TX358 | 🇺🇸 US 🇨🇦 CA | Fits Located on Engin | View on Amazon |
| WALKER PRODUCTS | 2111060 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS | 5S1616 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangular | View on Amazon |
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.
14 Temperature Sender / Sensor parts are listed for the 2018 Toyota Corolla Im, from STANDARD MOTOR PRODUCTS, ULTRA-POWER, GPD and 10 other brands. ULTRA-POWER 5S1616 carries the "Popular" badge.
Economy: 4 parts, from ULTRA-POWER, GPD, HOLSTEIN and 1 other brand. A representative part number is ULTRA-POWER 5S1616.
The Standard Replacement section: 10 options from STANDARD MOTOR PRODUCTS, DELPHI, ACDELCO and 6 other brands. DELPHI TS10289 is listed in this group.
Thermostat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN | THT026 | 🇺🇸 US 🇨🇦 CA | 80°C | View on Amazon |
| BECK/ARNLEY | 1430957 | 🇺🇸 US 🇨🇦 CA | TEMPERATURE 80C/176F | View on Amazon |
| MOTORAD | 1075176 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
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.
3 Thermostat parts for the 2018 Toyota Corolla Im come from 3 brands — AISIN, BECK/ARNLEY and MOTORAD.
Listed part numbers: AISIN THT026, BECK/ARNLEY 1430957 and MOTORAD 1075176.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN Popular | THP101 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| FEL-PRO Popular | 35445 | 🇺🇸 US 🇨🇦 CA | Outside Diameter: 2.325 In | View on Amazon |
| MOTORAD Popular | MG182 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| APEX | AWO2047 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| APEX | AWO2296 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| APEX | AWO2294 | 🇺🇸 US 🇨🇦 CA | Water Outlet Seal | View on Amazon |
| CALORSTAT | J96 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| FACET | 79569 | 🇺🇸 US 🇨🇦 CA | O-Ring | View on Amazon |
| FACET | 79673 | 🇺🇸 US 🇨🇦 CA | O Ring2.31" X 0.16" | View on Amazon |
| FEL-PRO | 36267 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO | 35866 | 🇺🇸 US 🇨🇦 CA | Water Outlet Seal | View on Amazon |
| VICTOR REINZ | 711215000 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
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.
12 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2018 Toyota Corolla Im, from FEL-PRO, APEX, FACET and 4 other brands. AISIN THP101 carries the "Popular" badge.
Thermostat Housing / Water Outlet
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9025927 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing | View on Amazon |
| SKP | SK9025927 | 🇺🇸 US 🇨🇦 CA | CoverThermostat Housing | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular | 1470089 | 🇺🇸 US 🇨🇦 CA | UpperWater Outlet | View on Amazon |
| MOTORAD Popular | CH2927 | 🇺🇸 US 🇨🇦 CA | Fits UpperWater Outlet | View on Amazon |
| BECK/ARNLEY | 1470106 | 🇺🇸 US 🇨🇦 CA | LowerWater Outlet | View on Amazon |
| FOUR SEASONS | 86331 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing | View on Amazon |
| GATES | CO34823 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
| GATES | CO35036 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing | View on Amazon |
| MOTORAD | CH3109 | 🇺🇸 US 🇨🇦 CA | Fits LowerThermostat Housing | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
9 Thermostat Housing / Water Outlet parts for the 2018 Toyota Corolla Im come from 6 brands — BECK/ARNLEY, MOTORAD, GATES and 3 other brands. The "Popular" part is BECK/ARNLEY 1470089.
The Economy section: 2 options from DORMAN and SKP. DORMAN 9025927 is listed in this group.
Standard Replacement: 7 parts, from BECK/ARNLEY, MOTORAD, GATES and 1 other brand. A representative part number is BECK/ARNLEY 1470089.
Part numbers include BECK/ARNLEY 1470089, DORMAN 9025927 and SKP SK9025927, among others listed above.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1312556 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FVP | US8182 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| US MOTOR WORKS | US8182 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN Popular | WPT195 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GATES Popular | 42187 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GMB | 1703050 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
6 Water Pump parts for the 2018 Toyota Corolla Im come from 6 brands — BECK/ARNLEY, FVP, US MOTOR WORKS and 3 other brands. The "Popular" part is AISIN WPT195.
The Economy section: 3 options from BECK/ARNLEY, FVP and US MOTOR WORKS. BECK/ARNLEY 1312556 is listed in this group.
Standard Replacement: 3 parts, from AISIN, GATES and GMB. A representative part number is AISIN WPT195.
This group includes AISIN WPT195, BECK/ARNLEY 1312556 and FVP US8182 and the remaining parts above.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX | AWP3248 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO | 36166 | 🇺🇸 US 🇨🇦 CA | To Block | View on Amazon |
| MAHLE / CLEVITE | K32457 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
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.
3 Water Pump Gasket parts are listed for the 2018 Toyota Corolla Im, from APEX, FEL-PRO and MAHLE / CLEVITE.
Listed part numbers: APEX AWP3248, FEL-PRO 36166 and MAHLE / CLEVITE K32457.
Buying Cooling System Parts for a 2018 Toyota Corolla Im
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.
- Confirm you have the 1.8L L4 engine — every part on this page is matched to it.
- 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: Coolant / Antifreeze and Temperature Sender / Sensor .
Frequently Asked Questions
How many cooling system parts fit the 2018 Toyota Corolla Im?
Our catalog currently lists 90 cooling system parts for the 2018 Toyota Corolla Im across 13 subcategories and 40 brands, covering the 1.8L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2018 Toyota Corolla Im?
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 2018 Toyota Corolla Im 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 2018 Toyota Corolla Im?
Every part on this page is matched to the 1.8L L4 engine. 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 2018 Toyota Corolla Im
Cooling System Parts for Other Toyota Corolla Im Years
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