2023 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

17 Coolant / Antifreeze parts for the 2023 Toyota Sequoia come from 6 brands — PRESTONE, PEAK, AISIN and 3 other brands. 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 2 options from PEAK and PRESTONE — the catalog's value-priced group. PEAK BQA1GAL 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 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 8 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 2023 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

4 Intercooler parts for the 2023 Toyota Sequoia come from 2 brands — FVP and KOYORAD.

This group includes FVP RAD13957, FVP RAD13958 and KOYORAD CC13957 and the remaining parts above.

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

2 Inverter Cooler parts are listed for the 2023 Toyota Sequoia, from CSF and GPD.

Listed part numbers: CSF 3973 and GPD 14000C.

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

8 Radiator parts for the 2023 Toyota Sequoia come from 7 brands — FVP, GPD, TECHPRO and 4 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: 5 parts, from CSF, KOYORAD, FVP and 2 other brands. A representative part number is CSF 3972.

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

Listed part numbers: CSF 3972, GPD 13923C and TECHPRO TO3010382, plus the other parts 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 2023 Toyota Sequoia come from 3 brands — FOUR SEASONS, HAYDEN and US MOTOR WORKS.

This group includes FOUR SEASONS 46159, HAYDEN 3350 and US MOTOR WORKS 22365.

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

CONTINENTAL supplies both parts for the 2023 Toyota Sequoia.

This group includes CONTINENTAL 66206 and CONTINENTAL 66207.

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

5 Temperature Sender / Sensor parts for the 2023 Toyota Sequoia come from 5 brands — GPD, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX319.

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

Standard Replacement: 3 parts, from STANDARD MOTOR PRODUCTS, WALKER 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 STANDARD MOTOR PRODUCTS TX319, GPD 1814549 and WALKER PRODUCTS 2112017 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 2023 Toyota Sequoia, from AISIN, JAPANESE OE and MOTORAD.

This group includes 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 2023 Toyota Sequoia, from FVP, GMB and US MOTOR WORKS.

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