2016 Toyota Highlander 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

19 Coolant / Antifreeze parts are listed for the 2016 Toyota Highlander, from PRESTONE, PEAK, VALVOLINE and 4 other brands. FVP MV5050GAL carries the "Popular" badge. 17 parts fit every engine; the other 2 are engine-specific.

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 Heavy Duty section lists 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.

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 8 options from AISIN, VALVOLINE, BECK/ARNLEY and 2 other brands — built to original-equipment specification. AISIN ACT002 is listed in this group.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

5 Coolant Hose / Pipe parts are listed for the 2016 Toyota Highlander, from GATES, ACDELCO and DAYCO. GATES 19670 carries the "Popular" badge.

Listed part numbers: GATES 19670, ACDELCO 14206S and ACDELCO 14187S, plus the other 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

3 Coolant Reservoir Cap parts for the 2016 Toyota Highlander come from 2 brands — MOTORAD and CALORSTAT. 1 part fits every engine; the other 2 are engine-specific.

Listed part numbers: CALORSTAT RC0145, MOTORAD T162 and MOTORAD T51.

This table covers the Cooling Fan control modules. Read more

9 Cooling Fan Control Module parts for the 2016 Toyota Highlander come from 6 brands — GATES, STANDARD MOTOR PRODUCTS, ACKOJA and 3 other brands. The "Popular" part is GATES FCM111. 1 part fits every engine; the other 8 are engine-specific.

Part numbers include GATES FCM111, GATES FCM143 and STANDARD MOTOR PRODUCTS RY1819, among others listed above.

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

3 Cooling System Tester Adapter parts are listed for the 2016 Toyota Highlander, from MOTORAD and GATES. 2 parts fit every engine; the other 1 is engine-specific.

Part numbers include GATES 31409, MOTORAD 3124 and MOTORAD 3125.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

One part is listed for the 2016 Toyota Highlander — OSC 13625.

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

5 Inverter Cooler parts for the 2016 Toyota Highlander come from 5 brands — DENSO, AGILITY, GPD and 2 other brands. The "Popular" part is DENSO 2219596.

Listed part numbers: DENSO 2219596, AGILITY 8013625 and GPD 2611437, plus the other parts above.

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

19 Radiator parts are listed for the 2016 Toyota Highlander, from UAC, GPD, DENSO and 9 other brands. CSF 3773 carries the "Popular" badge. 1 part fits every engine; the other 18 are engine-specific.

Economy: 3 parts, from GPD and TECHPRO. A representative part number is GPD 13449C.

The Standard Replacement section: 16 options from UAC, DENSO, KOYORAD and 7 other brands. CSF 3773 is listed in this group.

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

6 Radiator Cap parts are listed for the 2016 Toyota Highlander, from MOTORAD, ACDELCO, GATES and 2 other brands. GATES 31412 carries the "Popular" badge. 3 parts fit every engine; the other 3 are engine-specific.

The Locking Replacement section lists 2 options from ACDELCO and MOTORAD — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. ACDELCO 12R07 is listed in this group.

The Standard Replacement section: 4 options from GATES, CALORSTAT, MOTORAD and 1 other brand. GATES 31412 is listed in this group.

This group includes GATES 31412, ACDELCO 12R07 and MOTORAD ST37 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 for the 2016 Toyota Highlander come from 11 brands — DORMAN, GPD, TECHPRO and 8 other brands. The "Popular" part is DORMAN 621540. 3 parts fit every engine; the other 14 are engine-specific.

The Economy section: 8 options from DORMAN, GPD, TECHPRO and 2 other brands. DORMAN 621540 is listed in this group.

Standard Replacement: 9 parts, from FOUR SEASONS, AGILITY, TYC and 3 other brands. A representative part number is FOUR SEASONS 76101.

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. Read more

One part is listed for the 2016 Toyota Highlander — ACKOJA A70010041.

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

9 Radiator Hose parts for the 2016 Toyota Highlander come from 4 brands — CONTINENTAL, GATES, DAYCO and 1 other brand. The "Popular" part is CONTINENTAL 66196.

This group includes CONTINENTAL 66196, GATES 24389 and ACDELCO 22844M and the remaining parts above.

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

19 Temperature Sender / Sensor parts are listed for the 2016 Toyota Highlander, from GPD, STANDARD MOTOR PRODUCTS, ACDELCO and 13 other brands. ULTRA-POWER 5S1616 carries the "Popular" badge. 14 parts fit every engine; the other 5 are engine-specific.

Economy: 6 parts, from GPD, ULTRA-POWER, HOLSTEIN and 2 other brands. A representative part number is ULTRA-POWER 5S1616.

The Standard Replacement section: 13 options from STANDARD MOTOR PRODUCTS, ACDELCO, DELPHI and 8 other brands. DELPHI TS10289 is listed in this group.

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

26 Thermostat parts for the 2016 Toyota Highlander come from 9 brands — MOTORAD, CALORSTAT, FACET and 6 other brands. The "Popular" part is MOTORAD 5281180. Grades run from Heavy Duty through Standard Replacement; Standard Replacement is the most populated section, led by MOTORAD, CALORSTAT, FACET and 6 other brands.

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

22 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2016 Toyota Highlander, from MAHLE / CLEVITE, VICTOR REINZ, BECK/ARNLEY and 6 other brands. AISIN THP101 carries the "Popular" badge. 7 parts fit every engine; the other 15 are engine-specific.

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

22 Thermostat Housing / Water Outlet parts for the 2016 Toyota Highlander come from 6 brands — FOUR SEASONS, BECK/ARNLEY, MOTORAD and 3 other brands. The "Popular" part is DORMAN 9025929.

The Economy section: 3 options from DORMAN and SKP. DORMAN 9025929 is listed in this group.

Standard Replacement: 13 parts, from FOUR SEASONS, MOTORAD, BECK/ARNLEY and 1 other brand. A representative part number is BECK/ARNLEY 1470080.

6 further parts sit outside the graded sections, 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

2 Water Inlet Gasket parts are listed for the 2016 Toyota Highlander, from APEX and FEL-PRO.

This group includes APEX AWO2237 and FEL-PRO 35801.

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

23 Water Pump parts for the 2016 Toyota Highlander come from 12 brands — AISIN, DAYCO, SKP and 9 other brands. The "Popular" part is SKP SK1704010. 1 part fits every engine; the other 22 are engine-specific.

The Economy section: 10 options from SKP, US MOTOR WORKS, BECK/ARNLEY and 3 other brands. SKP SK1704010 is listed in this group.

Standard Replacement: 13 parts, from AISIN, DAYCO, ACDELCO and 3 other brands. A representative part number is ACDELCO 252958.

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

15 Water Pump Gasket parts are listed for the 2016 Toyota Highlander, from FEL-PRO, APEX, MAHLE / CLEVITE and 3 other brands. FEL-PRO 36013 carries the "Popular" badge.