2005 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

17 Coolant / Antifreeze parts are listed for the 2005 Toyota Highlander, 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 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 6 options from BECK/ARNLEY, AISIN, VALVOLINE 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

One part is listed for the 2005 Toyota Highlander — DAYCO 86831.

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. Read more

This group shows a single part: FEL-PRO 35729.

This table covers the Coolant Hose Connector flanges. Read more

One part is listed for the 2005 Toyota Highlander — FOUR SEASONS 85352.

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

5 Coolant Reservoir parts for the 2005 Toyota Highlander come from 5 brands — AUTOTECNICA, DORMAN, GPD and 2 other brands. The "Popular" part is AUTOTECNICA TY0717902.

This group includes AUTOTECNICA TY0717902, DORMAN 603326 and GPD 2411193 and the remaining parts above.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 2005 Toyota Highlander come from US MOTOR WORKS.

Part numbers include US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795.

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

3 Cooling System Tester Adapter parts are listed for the 2005 Toyota Highlander, from MOTORAD and GATES.

Listed part numbers: GATES 31409, 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

13 Radiator parts are listed for the 2005 Toyota Highlander, from AGILITY, OSC, TYC and 7 other brands. CSF 2822 carries the "Popular" badge.

Economy: 2 parts, from FAMOUS BRAND and ULTRA-POWER. A representative part number is FAMOUS BRAND 432693.

The Standard Replacement section: 11 options from AGILITY, OSC, TYC and 5 other brands. CSF 2822 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 2005 Toyota Highlander, from MOTORAD, CSF, GATES and 2 other brands. CSF 4514 carries the "Popular" badge.

The Locking Replacement section lists 1 option from MOTORAD — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. MOTORAD ST37 is listed in this group.

The Standard Replacement section: 5 options from CSF, GATES, CALORSTAT and 2 other brands. CSF 4514 is listed in this group.

Listed part numbers: CSF 4514, MOTORAD ST37 and GATES 31412, plus the other parts above.

This table covers the petcocks used to drain the radiator. Read more

This group shows a single part: DORMAN 490216.

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

8 Radiator Fan Assembly parts for the 2005 Toyota Highlander come from 7 brands — FOUR SEASONS, DORMAN, GPD and 4 other brands. The "Popular" part is DORMAN 621173.

The Economy section: 3 options from DORMAN, GPD and SKP. DORMAN 621173 is listed in this group.

Standard Replacement: 5 parts, from FOUR SEASONS, AGILITY, NISSENS and 1 other brand. A representative part number is FOUR SEASONS 76223.

Part numbers include DORMAN 621173, GPD 2811539 and SKP SK621172, among others listed above.

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

7 Radiator Hose parts for the 2005 Toyota Highlander come from 4 brands — DAYCO, CONTINENTAL, GATES and 1 other brand. The "Popular" part is DAYCO 70938.

Listed part numbers: DAYCO 70938, DAYCO 71636 and ACDELCO 24516L, plus the other parts above.

This table covers the Radiator insulators. Read more

This group shows a single part: VARIOUS MFR TO3013100.

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. Read more

This group shows a single part: DORMAN 926279.

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

17 Temperature Sender / Sensor parts are listed for the 2005 Toyota Highlander, from STANDARD MOTOR PRODUCTS, ACDELCO, GPD and 12 other brands. DELPHI TS10289 carries the "Popular" badge.

Economy: 5 parts, from GPD, HOLSTEIN, ULTRA-POWER and 2 other brands. A representative part number is GPD 1712514.

The Standard Replacement section: 12 options from STANDARD MOTOR PRODUCTS, ACDELCO, DELPHI and 7 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

20 Thermostat parts for the 2005 Toyota Highlander come from 9 brands — MOTORAD, CALORSTAT, FACET and 6 other brands. The "Popular" part is MOTORAD 7281180.

Heavy Duty: 2 parts, from MOTORAD. A representative part number is MOTORAD 5281180.

Premium: 2 parts, from MOTORAD. A representative part number is MOTORAD 7281180.

Standard Replacement: 16 parts, from MOTORAD, CALORSTAT, FACET and 6 other brands. A representative part number is AISIN THT019.

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

15 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2005 Toyota Highlander, from VICTOR REINZ, APEX, FACET and 7 other brands. AISIN THP101 carries the "Popular" badge.

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

7 Thermostat Housing / Water Outlet parts for the 2005 Toyota Highlander come from 7 brands — DORMAN, AUTOTECNICA, GPD and 4 other brands. The "Popular" part is DORMAN 9025124.

The Economy section: 4 options from DORMAN, AUTOTECNICA, GPD and 1 other brand. DORMAN 9025124 is listed in this group.

Standard Replacement: 3 parts, from BECK/ARNLEY, GATES and MOTORAD. A representative part number is BECK/ARNLEY 1470100.

Listed part numbers: DORMAN 9025124, AUTOTECNICA TY0715781PRM and GPD 8241572, plus the other parts above.

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

12 Water Pump parts for the 2005 Toyota Highlander come from 12 brands — SKP, ACKOJA, BECK/ARNLEY and 9 other brands. The "Popular" part is SKP SK1702470.

The Economy section: 6 options from SKP, ACKOJA, BECK/ARNLEY and 3 other brands. SKP SK1702470 is listed in this group.

Standard Replacement: 6 parts, from AISIN, DAYCO, ACDELCO and 3 other brands. A representative part number is AISIN WPT129.

This table covers the Water Pump pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

One part is listed for the 2005 Toyota Highlander — DORMAN 300938.