2020 Toyota Corolla Cooling System Parts

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. Read more

18 Coolant / Antifreeze parts for the 2020 Toyota Corolla come from 7 brands — PRESTONE, PEAK, VALVOLINE and 4 other brands. The "Popular" part is FVP MV5050GAL. 16 parts fit every engine; the other 2 are engine-specific.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 4 options from FVP, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Premium grade, PRESTONE and PEAK supply 5 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, AISIN, VALVOLINE, BECK/ARNLEY and 2 other brands supply 8 parts: built to original-equipment specification. A representative part number is AISIN ACT002.

This table covers the Coolant Hose Connector flanges. Read more

2 Coolant Hose Connector / Flange parts for the 2020 Toyota Corolla come from FOUR SEASONS.

This group includes FOUR SEASONS 85356 and FOUR SEASONS 86352.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

5 Coolant Reservoir parts are listed for the 2020 Toyota Corolla, from TECHPRO, DORMAN, LARES and 1 other brand. TECHPRO TO3014140 carries the "Popular" badge. 4 parts fit every engine; the other 1 is engine-specific.

This group includes TECHPRO TO3014140, DORMAN 603752 and LARES 37885 and the remaining parts above.

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. Read more

5 Coolant Reservoir Cap parts are listed for the 2020 Toyota Corolla, from MOTORAD, AUTOTECNICA, CALORSTAT and 1 other brand. 3 parts fit every engine; the other 2 are engine-specific.

Part numbers include AUTOTECNICA TY1414614, CALORSTAT RC0145 and GATES 31541, among others listed above.

This table covers the Cooling Fan control modules. Read more

One part is listed for the 2020 Toyota Corolla — STANDARD MOTOR PRODUCTS CFM111.

This table covers the Inverter coolers. Typical signs include overheated fluid, a leak at the fittings, or mixed fluids in the reservoir. Flush the lines when you replace a cooler. Read more

One part is listed for the 2020 Toyota Corolla — MOTORAD TA9225.

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. Read more

31 Radiator parts for the 2020 Toyota Corolla come from 11 brands — CSF, TYC, UAC and 8 other brands. The "Popular" part is CSF 3859. They are grouped as Economy and Standard Replacement, with Standard Replacement the largest group at 28 parts from CSF, TYC, UAC and 6 other brands.

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. Read more

4 Radiator Cap parts for the 2020 Toyota Corolla come from 2 brands — MOTORAD and CALORSTAT.

In the Locking Replacement grade, MOTORAD supplies 1 part: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is MOTORAD ST36.

Standard Replacement: 2 parts, from CALORSTAT and MOTORAD. A representative part number is CALORSTAT RC0047.

1 further part sits outside the graded sections, with the same engine-level match.

This group includes MOTORAD ST36, CALORSTAT RC0047 and MOTORAD T36 and the remaining parts above.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

17 Radiator Fan Assembly parts are listed for the 2020 Toyota Corolla, from TECHPRO, TYC, GPD and 6 other brands. ULTRA-POWER 624360 carries the "Popular" badge.

Economy: 10 parts, from TECHPRO, GPD, SKP and 3 other brands. A representative part number is ULTRA-POWER 624360.

The Standard Replacement section: 7 options from TYC, AGILITY and UAC. AGILITY 6010306 is listed in this group.

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. Read more

11 Radiator Hose parts are listed for the 2020 Toyota Corolla, from GATES and CONTINENTAL. CONTINENTAL 62765 carries the "Popular" badge.

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. Read more

23 Temperature Sender / Sensor parts for the 2020 Toyota Corolla come from 13 brands — STANDARD MOTOR PRODUCTS, BECK/ARNLEY, WALKER PRODUCTS and 10 other brands. The "Popular" part is ULTRA-POWER 5S1616. 1 part fits every engine; the other 22 are engine-specific.

The Economy section: 3 options from ULTRA-POWER, GPD and HOLSTEIN. ULTRA-POWER 5S1616 is listed in this group.

Standard Replacement: 20 parts, from STANDARD MOTOR PRODUCTS, BECK/ARNLEY, WALKER PRODUCTS and 7 other brands. A representative part number is AISIN THSAZ8004.

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. Read more

16 Thermostat parts are listed for the 2020 Toyota Corolla, from AISIN, MOTORAD, BECK/ARNLEY and 8 other brands. AISIN THT017 carries the "Popular" badge.

Economy: 2 parts, from AUTOTECNICA and SKP. A representative part number is AUTOTECNICA TY0716357.

The Standard Replacement section: 10 options from AISIN, MOTORAD, BECK/ARNLEY and 4 other brands. AISIN THT017 is listed in this group.

4 ungrouped parts are not assigned to a grade, with the same engine-level match.

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. Read more

14 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2020 Toyota Corolla come from 8 brands — FEL-PRO, APEX, ELRING and 5 other brands. The "Popular" part is AISIN THP101.

This table covers the housings and outlets the thermostat sits in. Read more

10 Thermostat Housing / Water Outlet parts are listed for the 2020 Toyota Corolla, from MOTORAD, FOUR SEASONS, DORMAN and 3 other brands. DORMAN 9025927 carries the "Popular" badge.

Economy: 2 parts, from DORMAN and SKP. A representative part number is DORMAN 9025927.

The Standard Replacement section: 5 options from MOTORAD, BECK/ARNLEY, FOUR SEASONS and 1 other brand. MOTORAD CH2927 is listed in this group.

3 ungrouped parts are not assigned to a grade, with the same engine-level match.

This table covers the gaskets that seal the Water Inlet. 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. Read more

This group shows a single part: ELRING 775210.

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. Read more

16 Water Pump parts are listed for the 2020 Toyota Corolla, from AISIN, BECK/ARNLEY, FVP and 6 other brands. AISIN WPT195 carries the "Popular" badge.

Economy: 5 parts, from BECK/ARNLEY, FVP, SKP and 1 other brand. A representative part number is BECK/ARNLEY 1312556.

The Standard Replacement section: 8 options from AISIN, GATES, FOUR SEASONS and 2 other brands. AISIN WPT195 is listed in this group.

3 ungrouped parts are not assigned to a grade, with the same engine-level match.

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. Read more

11 Water Pump Gasket parts for the 2020 Toyota Corolla come from 5 brands — FEL-PRO, ELRING, APEX and 2 other brands. The "Popular" part is FEL-PRO 36010.