36 Cooling system parts are listed for the 2024 Lexus TX550H+, in 7 part types, covering the 3.5L V6 ELECTRIC/GAS engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2024 Lexus TX550H+, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. 25 parts of the 36 listed are Coolant / Antifreeze (15 parts), Water Pump (6 parts) and Radiator (4 parts). The other 4 part types cover the remaining 11 parts.
Every part on this page is matched to the 3.5L V6 ELECTRIC/GAS — the only engine offered in the 2024 Lexus TX550H+.
The most listed brands for 2024 Lexus TX550H+ cooling system parts are PRESTONE (6 parts), PEAK (4 parts) and BECK/ARNLEY (3 parts), plus 16 more brands. Quality grades include Standard Replacement, Economy and Premium.
5 parts on this 2024 Lexus TX550H+ page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including PRESTONE AF2100 (Coolant / Antifreeze) and US MOTOR WORKS US8150 (Water Pump). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK | BQA1GAL | 🇺🇸 US | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE | AF3100 | 🇺🇸 US | Prime Yellow - All VehiclesExtended Life | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AFC12100 | 🇺🇸 US | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US | Global Lifetime1 Gallon | View on Amazon |
| PRESTONE | AF6210 | 🇺🇸 US | MAX Original EquipmentAsian Red/Pink | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN Popular | ACT002 | 🇺🇸 US | PinkHOAT | View on Amazon |
| VALVOLINE Popular | 675130 | 🇺🇸 US | Asian Vehicle Red1 Gallon | View on Amazon |
| BECK/ARNLEY | 2521502 | 🇺🇸 US | Premium Extra Life Pink | View on Amazon |
| PEAK | PAR1GAL | 🇺🇸 US | OET Asian Extended Life Red1 Gallon | View on Amazon |
| PENTOSIN | 8115209 | 🇺🇸 US | Pentofrost A41 Gallon | View on Amazon |
| VALVOLINE | 898406 | 🇺🇸 US | Hybrid Vehicle1 Gallon | View on Amazon |
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.
15 Coolant / Antifreeze parts for the 2024 Lexus TX550H+ 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 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, VALVOLINE, AISIN, BECK/ARNLEY and 2 other brands supply 6 parts: built to original-equipment specification. A representative part number is AISIN ACT002.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT | RC0145 | 🇺🇸 US | Attachment Type: Threaded | View on Amazon |
| MOTORAD | T51 | 🇺🇸 US | Standard | View on Amazon |
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.
2 Coolant Reservoir Cap parts are listed for the 2024 Lexus TX550H+, from CALORSTAT and MOTORAD.
Listed part numbers: CALORSTAT RC0145 and MOTORAD T51.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 14007C | 🇺🇸 US | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CSF | 4016 | 🇺🇸 US | 11% Thicker Core 30mm vs OEM 27mm | View on Amazon |
| KOYORAD | A14007 | 🇺🇸 US | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | RAD14046 | 🇺🇸 US | Secondary | View on Amazon |
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.
4 Radiator parts for the 2024 Lexus TX550H+ come from 4 brands — GPD, CSF, KOYORAD and 1 other brand.
The Economy section: 1 option from GPD. GPD 14007C is listed in this group.
Standard Replacement: 2 parts, from CSF and KOYORAD. A representative part number is CSF 4016.
1 further part sits outside the graded sections, with the same engine-level match.
Listed part numbers: GPD 14007C, CSF 4016 and KOYORAD A14007, plus the other parts above.
Radiator Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT | RC0047 | 🇺🇸 US | Includes 2 sealsMetallic | View on Amazon |
| MOTORAD | T36 | 🇺🇸 US | Standard | View on Amazon |
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.
2 Radiator Cap parts for the 2024 Lexus TX550H+ come from 2 brands — CALORSTAT and MOTORAD.
Listed part numbers: CALORSTAT RC0047 and MOTORAD T36.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1814549 | 🇺🇸 US | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 5S15288 | 🇺🇸 US | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS | 207157 | 🇺🇸 US | View on Amazon |
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.
3 Temperature Sender / Sensor parts for the 2024 Lexus TX550H+ come from 3 brands — GPD, WELLS and NISSENS.
The Economy section: 1 option from GPD. GPD 1814549 is listed in this group.
Standard Replacement: 1 part, from WELLS. A representative part number is WELLS 5S15288.
1 further part sits outside the graded sections, with the same engine-level match.
Listed part numbers: GPD 1814549, WELLS 5S15288 and NISSENS 207157.
Thermostat
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9025212 | 🇺🇸 US | Includes Housing | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1430953 | 🇺🇸 US | TEMPERATURE 82C/180F | View on Amazon |
| FOUR SEASONS | 86321 | 🇺🇸 US | Includes Housing | View on Amazon |
| MOTORAD | 1040180 | 🇺🇸 US | Includes Housing, Seal | View on Amazon |
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.
4 Thermostat parts are listed for the 2024 Lexus TX550H+, from DORMAN, BECK/ARNLEY, FOUR SEASONS and 1 other brand.
Economy: 1 part, from DORMAN. A representative part number is DORMAN 9025212.
The Standard Replacement section: 3 options from BECK/ARNLEY, FOUR SEASONS and MOTORAD. BECK/ARNLEY 1430953 is listed in this group.
Part numbers include DORMAN 9025212, BECK/ARNLEY 1430953 and FOUR SEASONS 86321, among others listed above.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS Popular | US8150 | 🇺🇸 US | View on Amazon | |
| BECK/ARNLEY | 1312538 | 🇺🇸 US | View on Amazon | |
| FVP | US8150 | 🇺🇸 US | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN Popular | WPT808 | 🇺🇸 US | View on Amazon | |
| DAYCO | DP2182 | 🇺🇸 US | View on Amazon | |
| GMB | 1703020 | 🇺🇸 US | View on Amazon |
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.
6 Water Pump parts are listed for the 2024 Lexus TX550H+, from US MOTOR WORKS, BECK/ARNLEY, FVP and 3 other brands. US MOTOR WORKS US8150 carries the "Popular" badge.
Economy: 3 parts, from US MOTOR WORKS, BECK/ARNLEY and FVP. A representative part number is US MOTOR WORKS US8150.
The Standard Replacement section: 3 options from AISIN, DAYCO and GMB. AISIN WPT808 is listed in this group.
Part numbers include US MOTOR WORKS US8150 and BECK/ARNLEY 1312538, among others listed above.
Buying Cooling System Parts for a 2024 Lexus TX550H+
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 3.5L V6 ELECTRIC/GAS engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Water Pump .
Frequently Asked Questions
How many cooling system parts fit the 2024 Lexus TX550H+?
Our catalog currently lists 36 cooling system parts for the 2024 Lexus TX550H+ across 7 subcategories and 19 brands, covering the 3.5L V6 ELECTRIC/GAS engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2024 Lexus TX550H+?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2024 Lexus TX550H+ was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2024 Lexus TX550H+?
Every part on this page is matched to the 3.5L V6 ELECTRIC/GAS engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2024 Lexus TX550H+
Cooling System Parts for Other Lexus TX550H+ Years
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