2021 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

18 Coolant / Antifreeze parts for the 2021 Toyota Sequoia come from 7 brands — PRESTONE, PEAK, VALVOLINE and 4 other brands. The "Popular" part is FVP MV5050GAL.

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 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 7 parts: built to original-equipment specification. A representative part number is AISIN ACT002.

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

This group shows a single part: DORMAN 9365502.

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

One part is listed for the 2021 Toyota Sequoia — MOTORAD T166.

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 2021 Toyota Sequoia come from 5 brands — GPD, CSF, DENSO and 2 other brands. The "Popular" part is CSF 3776.

The Economy section: 1 option from GPD. GPD 13549C is listed in this group.

Standard Replacement: 4 parts, from CSF, DENSO, NISSENS and 1 other brand. A representative part number is CSF 3776.

Part numbers include CSF 3776, GPD 13549C and DENSO 2219623, among others listed above.

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 2021 Toyota Sequoia come from 4 brands — MOTORAD, GATES, CALORSTAT and 1 other brand. The "Popular" part is GATES 31412.

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 ST37.

Standard Replacement: 4 parts, from GATES, CALORSTAT, MOTORAD and 1 other brand. A representative part number is GATES 31412.

Part numbers include GATES 31412, MOTORAD ST37 and CALORSTAT RC0040, among others listed above.

This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different. Read more

4 Radiator Fan Blade parts are listed for the 2021 Toyota Sequoia, from AISIN, DORMAN, GPD and 1 other brand.

This group includes AISIN FNT031, DORMAN 620573 and GPD 2812330 and the remaining 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

7 Radiator Fan Clutch parts for the 2021 Toyota Sequoia come from 6 brands — FVP, HAYDEN, US MOTOR WORKS and 3 other brands. The "Popular" part is HAYDEN 6630.

This group includes HAYDEN 6630, US MOTOR WORKS 22408 and FOUR SEASONS 46091 and the remaining parts above.

This table covers the shrouds that duct air through the fan and radiator. Read more

3 Radiator Fan Shroud parts for the 2021 Toyota Sequoia come from 3 brands — DORMAN, TECHPRO and VDO / CONTINENTAL.

This group includes DORMAN 603049, TECHPRO TO3110187 and VDO / CONTINENTAL FA74093.

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

8 Radiator Hose parts are listed for the 2021 Toyota Sequoia, from GATES, ACDELCO, CONTINENTAL and 1 other brand. GATES 23309 carries the "Popular" badge.

Listed part numbers: GATES 23309, GATES 23310 and ACDELCO 22601M, plus the other 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

14 Temperature Sender / Sensor parts for the 2021 Toyota Sequoia come from 13 brands — STANDARD MOTOR PRODUCTS, ULTRA-POWER, GPD and 10 other brands. The "Popular" part is ULTRA-POWER 5S1616.

The Economy section: 4 options from ULTRA-POWER, GPD, HOLSTEIN and 1 other brand. ULTRA-POWER 5S1616 is listed in this group.

Standard Replacement: 10 parts, from STANDARD MOTOR PRODUCTS, DELPHI, ACDELCO and 6 other brands. A representative part number is DELPHI TS10289.

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

10 Thermostat parts are listed for the 2021 Toyota Sequoia, from AUTOTECNICA, DORMAN, SKP and 7 other brands. AISIN THT005 carries the "Popular" badge.

Economy: 3 parts, from AUTOTECNICA, DORMAN and SKP. A representative part number is AUTOTECNICA TY0715902PRM.

The Standard Replacement section: 7 options from AISIN, MOTORAD, ACKOJA and 4 other brands. AISIN THT005 is listed in this group.

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

4 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Toyota Sequoia come from 2 brands — APEX and FEL-PRO.

Part numbers include APEX AWO2327, APEX AWO2272 and FEL-PRO 35891, among others listed above.

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

3 Thermostat Housing / Water Outlet parts are listed for the 2021 Toyota Sequoia, from MOTORAD and ULTRA-POWER.

Economy: 1 part, from ULTRA-POWER. A representative part number is ULTRA-POWER 9025136.

The Standard Replacement section: 2 options from MOTORAD. MOTORAD CH1044 is listed in this group.

Listed part numbers: ULTRA-POWER 9025136, MOTORAD CH1044 and MOTORAD CH1043.

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 for the 2021 Toyota Sequoia come from 2 brands — APEX and FEL-PRO.

Part numbers include APEX AWO2273 and FEL-PRO 35893.

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

9 Water Pump parts are listed for the 2021 Toyota Sequoia, from BECK/ARNLEY, FVP, SKP and 6 other brands. ACDELCO 252951 carries the "Popular" badge.

Economy: 4 parts, from BECK/ARNLEY, FVP, SKP and 1 other brand. A representative part number is BECK/ARNLEY 1312403.

The Standard Replacement section: 5 options from ACDELCO, AISIN, DAYCO and 2 other brands. ACDELCO 252951 is listed in this group.

Listed part numbers: ACDELCO 252951, BECK/ARNLEY 1312403 and FVP US6197, plus the other parts above.

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

3 Water Pump Gasket parts for the 2021 Toyota Sequoia come from 3 brands — AJUSA, APEX and FEL-PRO.

This group includes AJUSA 01699800, APEX AWP3230 and FEL-PRO 35889.