2022 Lexus NX350 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

19 Coolant / Antifreeze parts are listed for the 2022 Lexus NX350, from PRESTONE, VALVOLINE, PEAK and 3 other brands. VALVOLINE ZXG051 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 Heavy Duty section lists 2 options from VALVOLINE and PRESTONE — rated for severe service. VALVOLINE ZXG051 is listed in this group.

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 8 options from VALVOLINE, AISIN, BECK/ARNLEY and 2 other brands — built to original-equipment specification. AISIN ACT002 is listed in this group.

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

3 Coolant Reservoir parts for the 2022 Lexus NX350 come from 3 brands — AUTOTECNICA, TECHPRO and VARIOUS MFR.

Listed part numbers: AUTOTECNICA TY0724561 and TECHPRO TO3014141, plus the other parts above.

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

5 Coolant Reservoir Cap parts for the 2022 Lexus NX350 come from 3 brands — MOTORAD, CALORSTAT and GATES. The "Popular" part is MOTORAD T51.

Part numbers include MOTORAD T51, CALORSTAT RC0170 and CALORSTAT RC0145, among others listed above.

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 are listed for the 2022 Lexus NX350, from GPD, TECHPRO, CSF and 2 other brands. CSF 3999 carries the "Popular" badge.

Economy: 2 parts, from GPD and TECHPRO. A representative part number is GPD 13670C.

The Standard Replacement section: 3 options from CSF, KOYORAD and TYC. CSF 3999 is listed in this group.

This group includes CSF 3999, GPD 13670C and TECHPRO TO3010380 and the remaining parts 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 are listed for the 2022 Lexus NX350, from CALORSTAT, GATES and SKP.

This group includes CALORSTAT RC0047, GATES 31411 and SKP SK10241.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

2 Radiator Fan Assembly parts for the 2022 Lexus NX350 come from 2 brands — TECHPRO and VARIOUS MFR.

This group includes TECHPRO TO3115204 and the remaining 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

10 Temperature Sender / Sensor parts are listed for the 2022 Lexus NX350, from STANDARD MOTOR PRODUCTS, WELLS, GPD and 5 other brands. DENSO 1931000 carries the "Popular" badge.

Economy: 3 parts, from GPD, HOLSTEIN and ULTRA-POWER. A representative part number is GPD 1814549.

The Standard Replacement section: 7 options from STANDARD MOTOR PRODUCTS, WELLS, DENSO and 2 other brands. DENSO 1931000 is listed in this group.

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

This group shows a single part: MOTORAD CH2175.

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 for the 2022 Lexus NX350 come from 6 brands — FVP, AISIN, FOUR SEASONS and 3 other brands. The "Popular" part is AISIN WPT211.

Listed part numbers: AISIN WPT211, FOUR SEASONS 89072 and FVP 1704240, 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

One part is listed for the 2022 Lexus NX350 — VICTOR REINZ 711790100.