2024 Toyota 4RUNNER 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 2024 Toyota 4RUNNER come from 6 brands — PRESTONE, PEAK, VALVOLINE 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 3 options from PEAK, PRESTONE and VALVOLINE — 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 7 parts: built to original-equipment specification. A representative part number is AISIN ACT002.

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

3 Coolant Reservoir parts are listed for the 2024 Toyota 4RUNNER, from AUTOTECNICA, LARES and TECHPRO.

Listed part numbers: AUTOTECNICA TY0723939, LARES 37862 and TECHPRO TO3014125.

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 2024 Toyota 4RUNNER — MOTORAD T157.

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 2024 Toyota 4RUNNER come from 5 brands — TYC, FVP, OSC and 2 other brands. The "Popular" part is TYC 13251.

Part numbers include TYC 13251 and FVP RAD13251, 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

3 Radiator Cap parts for the 2024 Toyota 4RUNNER come from 3 brands — GATES, MOTORAD and SKP.

Listed part numbers: GATES 31412, MOTORAD T37 and SKP SK10242.

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

One part is listed for the 2024 Toyota 4RUNNER — DORMAN 620565.

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

4 Radiator Fan Clutch parts for the 2024 Toyota 4RUNNER come from 4 brands — FOUR SEASONS, HAYDEN, NISSENS and 1 other brand.

Listed part numbers: FOUR SEASONS 46106, HAYDEN 6631 and NISSENS 86432, plus the other parts above.

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

This group shows a single part: DORMAN 621658.

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

5 Radiator Hose parts are listed for the 2024 Toyota 4RUNNER, from CONTINENTAL, DAYCO and GATES. GATES 23723 carries the "Popular" badge.

Part numbers include GATES 23723, CONTINENTAL 66502 and CONTINENTAL 66666, among others listed 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

6 Temperature Sender / Sensor parts for the 2024 Toyota 4RUNNER come from 6 brands — ULTRA-POWER, HOLSTEIN, STANDARD MOTOR PRODUCTS and 3 other brands. The "Popular" part is ULTRA-POWER 5S1616.

The Economy section: 2 options from ULTRA-POWER and HOLSTEIN. ULTRA-POWER 5S1616 is listed in this group.

Standard Replacement: 4 parts, from STANDARD MOTOR PRODUCTS, ACDELCO, DENSO and 1 other brand. A representative part number is STANDARD MOTOR PRODUCTS TX40.

Listed part numbers: ULTRA-POWER 5S1616, HOLSTEIN 2CTS0051 and STANDARD MOTOR PRODUCTS TX40, plus the other 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

5 Thermostat parts are listed for the 2024 Toyota 4RUNNER, from AISIN, ACKOJA, CALORSTAT and 2 other brands. AISIN THT003 carries the "Popular" badge.

Listed part numbers: AISIN THT003, ACKOJA A70990019 and CALORSTAT TH731482J, plus the other parts above.

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

2 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2024 Toyota 4RUNNER come from FEL-PRO.

Listed part numbers: FEL-PRO 35767 and FEL-PRO 35809.

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

2 Thermostat Housing / Water Outlet parts are listed for the 2024 Toyota 4RUNNER, from GATES and MOTORAD.

This group includes GATES CO35090 and MOTORAD CH1038.

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

7 Water Pump parts are listed for the 2024 Toyota 4RUNNER, from BECK/ARNLEY, FAMOUS BRAND, FVP and 4 other brands. AISIN WPT169 carries the "Popular" badge.

Economy: 4 parts, from BECK/ARNLEY, FAMOUS BRAND, FVP and 1 other brand. A representative part number is BECK/ARNLEY 1312488.

The Standard Replacement section: 3 options from AISIN, GATES and DAYCO. AISIN WPT169 is listed in this group.

Part numbers include AISIN WPT169, BECK/ARNLEY 1312488 and FAMOUS BRAND T5130, among others listed 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

This group shows a single part: FEL-PRO 36014.