2023 Genesis G70 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

10 Coolant / Antifreeze parts are listed for the 2023 Genesis G70, from PRESTONE, BECK/ARNLEY, VALVOLINE and 2 other brands. PRESTONE AF2100 carries the "Popular" badge. All of them fit every engine offered in the 2023 G70.

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, PRESTONE supplies 1 part: the catalog's value-priced group. A representative part number is PRESTONE AF3100.

The Premium section lists 3 options from PRESTONE — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 5 options from BECK/ARNLEY, VALVOLINE, AISIN and 1 other brand — built to original-equipment specification. VALVOLINE 861398 is listed in this group.

This table covers the seals at the Coolant Hose / Pipe. 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

This group shows a single part: HYUNDAI 2546235504.

This table covers the gaskets that seal the Coolant Pipe. 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 Coolant Pipe Gasket parts for the 2023 Genesis G70 come from MAHLE / CLEVITE. Every part fits both the 2.0L L4 Turbocharged and the 3.3L V6 Turbocharged.

Listed part numbers: MAHLE / CLEVITE C33905 and MAHLE / CLEVITE C33901.

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

This group shows a single part: MOTORAD T16R.

This table covers the adapters used to pressure-test this cooling system. Read more

MOTORAD supplies both parts for the 2023 Genesis G70.

Listed part numbers: MOTORAD 3121 and MOTORAD 3122.

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

3 Radiator parts are listed for the 2023 Genesis G70, from UAC and HYUNDAI. 1 part fits every engine; the other 2 are engine-specific.

Listed part numbers: HYUNDAI 25310J5020, UAC RA13819C and UAC RA13818C.

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 are listed for the 2023 Genesis G70, from MOTORAD, CALORSTAT, DORMAN and 1 other brand. 1 part fits every engine; the other 4 are engine-specific.

Part numbers include CALORSTAT RC0027, DORMAN 54237 and GATES 31336, among others listed above.

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

This group shows a single part: FOUR SEASONS 75431.

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

5 Temperature Sender / Sensor parts are listed for the 2023 Genesis G70, from STANDARD MOTOR PRODUCTS, GPD, HOLSTEIN and 1 other brand. STANDARD MOTOR PRODUCTS TX122 carries the "Popular" badge. All of them fit every engine offered in the 2023 G70.

Economy: 3 parts, from GPD, HOLSTEIN and STANDARD MOTOR PRODUCTS. A representative part number is GPD 1712632.

The Standard Replacement section: 2 options from STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. STANDARD MOTOR PRODUCTS TX122 is listed in this group.

Listed part numbers: STANDARD MOTOR PRODUCTS TX122, GPD 1712632 and HOLSTEIN 2CTS0091, 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

4 Thermostat parts for the 2023 Genesis G70 come from 2 brands — MOTORAD and HYUNDAI.

Listed part numbers: HYUNDAI 256003L260, MOTORAD 1269203 and MOTORAD 1319212, 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

3 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2023 Genesis G70, from FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO 35870, FEL-PRO 35868 and MAHLE / CLEVITE C32981.

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

This group shows a single part: MOTORAD CH3199.

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

2 Water Pump parts for the 2023 Genesis G70 come from 2 brands — FVP and GMB.

This group includes FVP 1463000 and the remaining 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

FEL-PRO supplies the 3 Water Pump Gasket parts for the 2023 Genesis G70.

This group includes FEL-PRO 35896, FEL-PRO ES73553 and FEL-PRO 35935.