The 2022 Lexus RC300 has 49 cooling system parts with verified fitment on this page — 9 part types and 27 brands, covering the 2.0L L4 Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2022 Lexus RC300, 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. 32 parts of the 49 listed are Coolant / Antifreeze (15 parts), Temperature Sender / Sensor (10 parts) and Water Pump (7 parts). The other 6 part types cover the remaining 17 parts.
The 2022 Lexus RC300 came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
27 brands supply cooling system parts for the 2022 Lexus RC300, led by PRESTONE (5 parts), PEAK (4 parts) and BECK/ARNLEY (4 parts), plus 24 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2022 Lexus RC300. 8 parts have it, including PRESTONE AF2100 (Coolant / Antifreeze) and DENSO 2219594 (Radiator). Each part number opens a page with 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 |
| VALVOLINE | 719009 | 🇺🇸 US | Multi-Vehicle Yellow1 Gallon | 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 |
| BECK/ARNLEY | 2521002 | 🇺🇸 US | Premium Red | View on Amazon |
| PEAK | PAR1GAL | 🇺🇸 US | OET Asian Extended Life Red1 Gallon | View on Amazon |
| PENTOSIN | 8115209 | 🇺🇸 US | Pentofrost A41 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 are listed for the 2022 Lexus RC300, from PRESTONE, PEAK, VALVOLINE and 3 other brands. PRESTONE AF2100 carries the "Popular" badge.
The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.
In the Economy grade, PEAK, PRESTONE and VALVOLINE supply 3 parts: the catalog's value-priced group. A representative part number is PEAK BQA1GAL.
The Premium section lists 5 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.
The Standard Replacement section lists 6 options from BECK/ARNLEY, AISIN, VALVOLINE and 2 other brands — built to original-equipment specification. AISIN ACT002 is listed in this group.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT | RC0145 | 🇺🇸 US | Attachment Type: Threaded | View on Amazon |
| GATES | 31541 | 🇺🇸 US | OE TypeThreaded (Closed System) - (SAE Range 18-20 psi) | 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.
3 Coolant Reservoir Cap parts for the 2022 Lexus RC300 come from 3 brands — CALORSTAT, GATES and MOTORAD.
This group includes CALORSTAT RC0145, GATES 31541 and MOTORAD T51.
Cooling Fan Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACKOJA | A70790004 | 🇺🇸 US | RWDwith OE No. 8925726020 | View on Amazon |
| GATES | FCM143 | 🇺🇸 US | View on Amazon | |
| SKP | SKFCM143 | 🇺🇸 US | View on Amazon |
This table covers the Cooling Fan control modules.
3 Cooling Fan Control Module parts for the 2022 Lexus RC300 come from 3 brands — ACKOJA, GATES and SKP.
Listed part numbers: ACKOJA A70790004, GATES FCM143 and SKP SKFCM143.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 13912C | 🇺🇸 US | Auxiliary | View on Amazon |
| GPD | 13611C | 🇺🇸 US | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 2219594 | 🇺🇸 US | View on Amazon | |
| FVP | RAD13912 | 🇺🇸 US | INTERCOOLER ASSEMBLY | View on Amazon |
| OSC | 13611 | 🇺🇸 US | MAIN RADIATOR | View on Amazon |
| SPECTRA PREMIUM | CU13611 | 🇺🇸 US | 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.
6 Radiator parts are listed for the 2022 Lexus RC300, from GPD, DENSO, FVP and 2 other brands. DENSO 2219594 carries the "Popular" badge.
Economy: 2 parts, from GPD. A representative part number is GPD 13912C.
The Standard Replacement section: 4 options from DENSO, FVP, OSC and 1 other brand. DENSO 2219594 is listed in this group.
This group includes DENSO 2219594, GPD 13912C and GPD 13611C and the remaining parts above.
Radiator Fan Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 2812275 | 🇺🇸 US | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
This group shows a single part: GPD 2812275.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1712514 | 🇺🇸 US | View on Amazon | |
| HOLSTEIN | 2CTS0051 | 🇺🇸 US | View on Amazon | |
| UNITED MOTOR PRODUCTS | CTS25 | 🇺🇸 US | Rectangular Connector | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular | TS10289 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular | TX40 | 🇺🇸 US | Rectangular Connector2 Terminal | View on Amazon |
| ACDELCO | D583 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| AISIN | THSAZ8001 | 🇺🇸 US | View on Amazon | |
| BECK/ARNLEY | 1581585 | 🇺🇸 US | View on Amazon | |
| DENSO | 1931000 | 🇺🇸 US | Engine Coolant Temperature Sensor | View on Amazon |
| WALKER PRODUCTS | 2111060 | 🇺🇸 US | Sensor Only | 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.
10 Temperature Sender / Sensor parts are listed for the 2022 Lexus RC300, from GPD, HOLSTEIN, UNITED MOTOR PRODUCTS and 7 other brands. DELPHI TS10289 carries the "Popular" badge.
Economy: 3 parts, from GPD, HOLSTEIN and UNITED MOTOR PRODUCTS. A representative part number is GPD 1712514.
The Standard Replacement section: 7 options from DELPHI, STANDARD MOTOR PRODUCTS, ACDELCO and 4 other brands. DELPHI TS10289 is listed in this group.
Thermostat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1430971 | 🇺🇸 US | Outer (Toward Lower Radiator Coolant Hose)Temperature: 82C/180F | View on Amazon |
| MOTORAD | 1064172 | 🇺🇸 US | Standard | View on Amazon |
| MOTORAD | 1065180 | 🇺🇸 US | Standard | 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.
3 Thermostat parts for the 2022 Lexus RC300 come from 2 brands — MOTORAD and BECK/ARNLEY.
Listed part numbers: BECK/ARNLEY 1430971, MOTORAD 1064172 and MOTORAD 1065180.
Thermostat Housing / Water Outlet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | CH3174 | 🇺🇸 US | Fits OuterThermostat Housing | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
This group shows a single part: MOTORAD CH3174.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS | US8174 | 🇺🇸 US | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN Popular | WPT203 | 🇺🇸 US | View on Amazon | |
| GMB Popular | 1703030 | 🇺🇸 US | Primary Pump | View on Amazon |
| DAYCO | DP1872 | 🇺🇸 US | Serpentine Belt Driven | View on Amazon |
| FOUR SEASONS | 89088 | 🇺🇸 US | AuxiliaryIntercooler Pump | View on Amazon |
| GATES | 41217 | 🇺🇸 US | View on Amazon | |
| NISSENS | 833809 | 🇺🇸 US | AuxiliaryIntercooler Pump | 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.
7 Water Pump parts for the 2022 Lexus RC300 come from 7 brands — US MOTOR WORKS, AISIN, GMB and 4 other brands. The "Popular" part is AISIN WPT203.
The Economy section: 1 option from US MOTOR WORKS. US MOTOR WORKS US8174 is listed in this group.
Standard Replacement: 6 parts, from AISIN, GMB, DAYCO and 3 other brands. A representative part number is AISIN WPT203.
Part numbers include AISIN WPT203, US MOTOR WORKS US8174 and GMB 1703030, among others listed above.
Buying Cooling System Parts for a 2022 Lexus RC300
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 2.0L L4 Turbocharged 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 Temperature Sender / Sensor .
Frequently Asked Questions
How many cooling system parts fit the 2022 Lexus RC300?
Our catalog currently lists 49 cooling system parts for the 2022 Lexus RC300 across 9 subcategories and 27 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2022 Lexus RC300?
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 2022 Lexus RC300 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 2022 Lexus RC300?
Every part on this page is matched to the 2.0L L4 Turbocharged 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 2022 Lexus RC300
Cooling System Parts for Other Lexus RC300 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.