2019 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

17 Coolant / Antifreeze parts for the 2019 Toyota Corolla come from 7 brands — PRESTONE, PEAK, VALVOLINE and 4 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 1.8L L4 and the 2.0L L4.

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, BECK/ARNLEY, VALVOLINE and 2 other brands supply 7 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 2019 Toyota Corolla come from FOUR SEASONS.

Listed part numbers: FOUR SEASONS 85356 and FOUR SEASONS 86352.

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

6 Coolant Reservoir parts are listed for the 2019 Toyota Corolla, from TECHPRO, DORMAN, GPD and 2 other brands. TECHPRO TO3014140 carries the "Popular" badge. 4 parts fit every engine; the other 2 are engine-specific.

This group includes TECHPRO TO3014140, DORMAN 603752 and GPD 2811895 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

6 Coolant Reservoir Cap parts are listed for the 2019 Toyota Corolla, from CALORSTAT, MOTORAD, AUTOTECNICA and 1 other brand.

This group includes AUTOTECNICA TY1414614, CALORSTAT RC0165 and CALORSTAT RC0145 and the remaining parts above.

This table covers the Cooling Fan control modules. Read more

6 Cooling Fan Control Module parts are listed for the 2019 Toyota Corolla, from STANDARD MOTOR PRODUCTS, SKP, DORMAN and 2 other brands. SKP SK902417 carries the "Popular" badge. 3 parts fit every engine; the other 3 are engine-specific.

This group includes SKP SK902417, DORMAN 902417 and GATES FCM110 and the remaining parts above.

This table covers the adapters used to pressure-test this cooling system. Read more

2 Cooling System Tester Adapter parts for the 2019 Toyota Corolla come from MOTORAD.

This group includes MOTORAD 3124 and MOTORAD 3125.

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

18 Radiator parts for the 2019 Toyota Corolla come from 12 brands — OSC, CSF, TYC and 9 other brands. The "Popular" part is CSF 3445. 4 parts fit every engine; the other 14 are engine-specific.

The Economy section: 4 options from GPD, OSC, TECHPRO and 1 other brand. GPD 13106C is listed in this group.

Standard Replacement: 14 parts, from CSF, TYC, DENSO and 6 other brands. A representative part number is CSF 3445.

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

5 Radiator Cap parts for the 2019 Toyota Corolla come from 4 brands — MOTORAD, GATES, CALORSTAT and 1 other brand. The "Popular" part is GATES 31411.

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: 4 parts, from GATES, CALORSTAT, MOTORAD and 1 other brand. A representative part number is GATES 31411.

This group includes GATES 31411, MOTORAD ST36 and CALORSTAT RC0047 and the remaining parts above.

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

13 Radiator Fan Assembly parts are listed for the 2019 Toyota Corolla, from TYC, AGILITY, UAC and 7 other brands. DORMAN 621538 carries the "Popular" badge. 8 parts fit every engine; the other 5 are engine-specific.

Economy: 6 parts, from DORMAN, ULTRA-POWER, GPD and 3 other brands. A representative part number is DORMAN 621538.

The Standard Replacement section: 7 options from TYC, AGILITY, UAC and 1 other brand. TYC 623160 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 2019 Toyota Corolla, from GATES, DAYCO, CONTINENTAL and 1 other brand. GATES 23521 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

18 Temperature Sender / Sensor parts for the 2019 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 17 are engine-specific.

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

Standard Replacement: 15 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

20 Thermostat parts are listed for the 2019 Toyota Corolla, from MOTORAD, CALORSTAT, AISIN and 3 other brands. MOTORAD 7281180 carries the "Popular" badge.

The Heavy Duty section lists 2 options from MOTORAD — rated for severe service. MOTORAD 5281180 is listed in this group.

The Premium section: 2 options from MOTORAD. MOTORAD 7281180 is listed in this group.

The Standard Replacement section: 11 options from MOTORAD, CALORSTAT, BECK/ARNLEY and 2 other brands. GATES 33868 is listed in this group.

5 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 2019 Toyota Corolla come from 8 brands — FEL-PRO, APEX, ELRING and 5 other brands. The "Popular" part is AISIN THP101. 1 part fits every engine; the other 13 are engine-specific.

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

8 Thermostat Housing / Water Outlet parts are listed for the 2019 Toyota Corolla, from MOTORAD, DORMAN, SKP 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: 6 options from MOTORAD, BECK/ARNLEY, FOUR SEASONS and 1 other brand. MOTORAD CH2927 is listed in this group.

Listed part numbers: DORMAN 9025927, SKP SK9025927 and MOTORAD CH2927, plus the other parts above.

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

18 Water Pump parts are listed for the 2019 Toyota Corolla, from FVP, AISIN, GMB and 6 other brands. SKP SK1707480 carries the "Popular" badge.

Economy: 8 parts, from US MOTOR WORKS, BECK/ARNLEY, FVP and 2 other brands. A representative part number is SKP SK1707480.

The Standard Replacement section: 7 options from AISIN, DAYCO, GMB and 1 other brand. AISIN WPT140 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

9 Water Pump Gasket parts for the 2019 Toyota Corolla come from 6 brands — ELRING, FEL-PRO, BECK/ARNLEY and 3 other brands. The "Popular" part is BECK/ARNLEY 0394191.

Listed part numbers: BECK/ARNLEY 0394191, FEL-PRO 35873 and APEX AWP3248, plus the other parts above.