2025 Toyota Sequoia 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

10 Coolant / Antifreeze parts for the 2025 Toyota Sequoia come from 3 brands — PRESTONE, AISIN and VALVOLINE. The "Popular" part is PRESTONE AF2100.

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 1 option from PRESTONE — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.

In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.

In the Premium grade, PRESTONE supplies 3 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 and VALVOLINE supply 4 parts: built to original-equipment specification. A representative part number is AISIN ACT002.

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 are listed for the 2025 Toyota Sequoia, from CALORSTAT, GATES and MOTORAD.

Listed part numbers: CALORSTAT RC0145, GATES 31541 and MOTORAD T51.

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

2 Intercooler parts for the 2025 Toyota Sequoia come from KOYORAD.

Listed part numbers: KOYORAD CC13957 and KOYORAD CC13958.

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 2025 Toyota Sequoia — CSF 3973.

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

5 Radiator parts for the 2025 Toyota Sequoia come from 5 brands — GPD, TECHPRO, CSF and 2 other brands. The "Popular" part is CSF 3972.

The Economy section: 2 options from GPD and TECHPRO. GPD 13923C is listed in this group.

Standard Replacement: 3 parts, from CSF, KOYORAD and TYC. A representative part number is CSF 3972.

Part numbers include CSF 3972, GPD 13923C and TECHPRO TO3010382, among others listed above.

This table covers the Radiator Fan clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc. Read more

3 Radiator Fan Clutch parts for the 2025 Toyota Sequoia come from 3 brands — FOUR SEASONS, HAYDEN and US MOTOR WORKS.

Listed part numbers: FOUR SEASONS 46159, HAYDEN 3350 and US MOTOR WORKS 22365.

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

4 Temperature Sender / Sensor parts for the 2025 Toyota Sequoia come from 4 brands — GPD, STANDARD MOTOR PRODUCTS, WELLS and 1 other brand.

The Economy section: 1 option from GPD. GPD 1814549 is listed in this group.

Standard Replacement: 2 parts, from STANDARD MOTOR PRODUCTS and WELLS. A representative part number is STANDARD MOTOR PRODUCTS TX319.

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

This group includes GPD 1814549, STANDARD MOTOR PRODUCTS TX319 and WELLS 5S17570 and the remaining parts above.

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

3 Thermostat parts are listed for the 2025 Toyota Sequoia, from AISIN, JAPANESE OE and MOTORAD.

Part numbers include AISIN THT027, JAPANESE OE WHTYJ82 and MOTORAD 1450180.

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

4 Water Pump parts are listed for the 2025 Toyota Sequoia, from FVP, GMB and US MOTOR WORKS.

Listed part numbers: FVP 1704230 and FVP US8239, plus the other parts above.