2018 Genesis G80 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

15 Coolant / Antifreeze parts for the 2018 Genesis G80 come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL. Every part fits all 3 engine options (3.3L V6 Turbocharged, 3.8L V6 and 5.0L V8).

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 FVP, PEAK and PRESTONE — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

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, BECK/ARNLEY, AISIN and 1 other brand supply 6 parts: built to original-equipment specification. A representative part number is VALVOLINE ZXEL1.

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

2 Coolant Hose / Pipe Seal parts are listed for the 2018 Genesis G80, from FEL-PRO and HYUNDAI.

This group includes FEL-PRO 35959 and HYUNDAI 2546235504.

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

MOTORAD supplies both parts for the 2018 Genesis G80. All of them fit every engine offered in the 2018 G80.

Listed part numbers: MOTORAD T154 and MOTORAD T158.

This table covers the Coolant Water Crossover Mounting sets. Read more

This group shows a single part: FEL-PRO ES72971.

This table covers the Cooling Fan control modules. Read more

One part is listed for the 2018 Genesis G80 — GATES FCM147.

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

2 Cooling System Tester Adapter parts for the 2018 Genesis G80 come from 2 brands — MOTORAD and STANT. Every part fits all 3 engine options (3.3L V6 Turbocharged, 3.8L V6 and 5.0L V8).

Part numbers include MOTORAD 3121 and STANT 12021.

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

8 Radiator parts for the 2018 Genesis G80 come from 6 brands — HYUNDAI, KOYORAD, TECHPRO and 3 other brands. The "Popular" part is HYUNDAI 25310D2000.

The Economy section: 1 option from TECHPRO. TECHPRO HY3010229 is listed in this group.

Standard Replacement: 2 parts, from HYUNDAI and KOYORAD. A representative part number is HYUNDAI 25310D2000.

5 further parts sit outside the graded sections, with the same engine-level match.

Part numbers include HYUNDAI 25310D2000, TECHPRO HY3010229 and KOYORAD A13757, 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

6 Radiator Cap parts for the 2018 Genesis G80 come from 4 brands — CALORSTAT, MOTORAD, SKP and 1 other brand. The "Popular" part is MOTORAD T16R. 5 parts fit every engine; the other 1 is engine-specific.

In the Locking Replacement grade, CALORSTAT and MOTORAD supply 2 parts: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is CALORSTAT RC0212.

Standard Replacement: 4 parts, from MOTORAD, SKP, CALORSTAT and 1 other brand. A representative part number is MOTORAD T16R.

This group includes MOTORAD T16R, CALORSTAT RC0212 and MOTORAD ST16R and the remaining parts above.

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

3 Radiator Fan Assembly parts are listed for the 2018 Genesis G80, from TECHPRO and FOUR SEASONS. 1 part fits every engine; the other 2 are engine-specific.

Economy: 2 parts, from TECHPRO. A representative part number is TECHPRO HY3115170.

The Standard Replacement section: 1 option from FOUR SEASONS. FOUR SEASONS 75415 is listed in this group.

Listed part numbers: TECHPRO HY3115170, TECHPRO HY3115173 and FOUR SEASONS 75415.

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

13 Temperature Sender / Sensor parts for the 2018 Genesis G80 come from 8 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN, WALKER PRODUCTS and 5 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX122T. 1 part fits every engine; the other 12 are engine-specific.

The Economy section: 4 options from HOLSTEIN, STANDARD MOTOR PRODUCTS and GPD. STANDARD MOTOR PRODUCTS TX122T is listed in this group.

Standard Replacement: 9 parts, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, WELLS and 3 other brands. A representative part number is STANDARD MOTOR PRODUCTS TX122.

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

MOTORAD supplies both parts for the 2018 Genesis G80.

Listed part numbers: MOTORAD 1319212 and MOTORAD 1318212.

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

10 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2018 Genesis G80 come from 3 brands — FEL-PRO, APEX and MAHLE / CLEVITE. The "Popular" part is FEL-PRO 35894.

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

2 Thermostat Housing / Water Outlet parts are listed for the 2018 Genesis G80, from CALORSTAT and HYUNDAI.

Listed part numbers: CALORSTAT THN1474 and HYUNDAI 255003L100.

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

15 Water Pump parts are listed for the 2018 Genesis G80, from FVP, GMB, AISIN and 6 other brands. GATES 42417 carries the "Popular" badge.

Economy: 4 parts, from ACKOJA, BECK/ARNLEY, FVP and 1 other brand. A representative part number is ACKOJA A5250003.

The Standard Replacement section: 4 options from GATES, GMB, AISIN and 1 other brand. GATES 42417 is listed in this group.

7 ungrouped parts are not assigned to a grade, with the same engine-level match.

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

7 Water Pump Gasket parts for the 2018 Genesis G80 come from 3 brands — FEL-PRO, APEX and MAHLE / CLEVITE. The "Popular" part is FEL-PRO 35896.

This group includes FEL-PRO 35896, FEL-PRO 35935 and APEX AWP3226 and the remaining parts above.