2015 Hyundai Sonata 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

18 Coolant / Antifreeze parts for the 2015 Hyundai Sonata come from 6 brands — PRESTONE, VALVOLINE, PEAK and 3 other brands. The "Popular" part is FVP MV5050GAL. 13 parts fit every engine; the other 5 are engine-specific.

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 4 options from FVP, PRESTONE, PEAK and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Heavy Duty grade, VALVOLINE supplies 1 part: rated for severe service. A representative part number is VALVOLINE ZXG051.

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 7 parts: built to original-equipment specification. A representative part number is VALVOLINE 861398.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

2 Coolant Hose / Pipe parts for the 2015 Hyundai Sonata come from HYUNDAI.

This group includes HYUNDAI 254702GGA0 and HYUNDAI 254802G820.

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

One part is listed for the 2015 Hyundai Sonata — VICTOR REINZ 151118601.

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

One part is listed for the 2015 Hyundai Sonata — MAHLE / CLEVITE C32833.

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

One part is listed for the 2015 Hyundai Sonata — TECHPRO HY3014111.

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 the 3 Coolant Reservoir Cap parts for the 2015 Hyundai Sonata.

This group includes MOTORAD T154, MOTORAD T142 and MOTORAD T158.

This table covers the Cooling Fan control modules. Read more

4 Cooling Fan Control Module parts are listed for the 2015 Hyundai Sonata, from STANDARD MOTOR PRODUCTS, AUTOTECNICA and GATES. 1 part fits every engine; the other 3 are engine-specific.

Listed part numbers: AUTOTECNICA HY0721546, GATES FCM158 and STANDARD MOTOR PRODUCTS CFM109, plus the other parts above.

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

4 Cooling System Tester Adapter parts for the 2015 Hyundai Sonata come from 3 brands — MOTORAD, GATES and STANT. Every part fits all 4 engine options (1.6L L4 Turbocharged, 2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS).

This group includes GATES 31428, MOTORAD 3121 and MOTORAD 3122 and the remaining parts above.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

8 Intercooler parts for the 2015 Hyundai Sonata come from 3 brands — TECHPRO, TYC and GPD.

Part numbers include GPD 2711401, GPD 2711396 and TECHPRO HY3012106, among others listed above.

This table covers the Inverter coolers. Typical signs include overheated fluid, a leak at the fittings, or mixed fluids in the reservoir. Flush the lines when you replace a cooler. Read more

9 Inverter Cooler parts are listed for the 2015 Hyundai Sonata, from CSF, DORMAN, DENSO and 5 other brands. CSF 3678 carries the "Popular" badge.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 918570.

The Standard Replacement section: 6 options from CSF, DENSO, AGILITY and 3 other brands. CSF 3678 is listed in this group.

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

This group includes CSF 3678, DORMAN 918570 and DENSO 2219446 and the remaining parts 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

35 Radiator parts for the 2015 Hyundai Sonata come from 14 brands — UAC, CSF, KOYORAD and 11 other brands. The "Popular" part is CSF 3753. They are grouped as Economy and Standard Replacement, with Standard Replacement the largest group at 29 parts from UAC, CSF, KOYORAD and 9 other brands.

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

8 Radiator Cap parts for the 2015 Hyundai Sonata come from 5 brands — CALORSTAT, GATES, MOTORAD and 2 other brands. The "Popular" part is MOTORAD T16R. 6 parts fit every engine; the other 2 are engine-specific.

In the Locking Replacement grade, CALORSTAT, GATES and MOTORAD supply 3 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: 5 parts, from MOTORAD, SKP, CALORSTAT and 2 other brands. A representative part number is MOTORAD T16R.

Part numbers include MOTORAD T16R, CALORSTAT RC0212 and GATES 31534, among others listed above.

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

18 Radiator Fan Assembly parts are listed for the 2015 Hyundai Sonata, from GPD, FOUR SEASONS, TYC and 6 other brands. DORMAN 620982 carries the "Popular" badge.

Economy: 7 parts, from GPD, ULTRA-POWER, DORMAN and 1 other brand. A representative part number is DORMAN 620982.

The Standard Replacement section: 11 options from FOUR SEASONS, TYC, AGILITY and 2 other brands. FOUR SEASONS 75983 is listed in this group.

This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

This group shows a single part: ACKOJA A52010026.

This table covers the Radiator Fan resistors. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS RY2020.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

14 Radiator Hose parts are listed for the 2015 Hyundai Sonata, from CONTINENTAL, GATES, DAYCO and 2 other brands. ACDELCO 27092X carries the "Popular" badge.

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

23 Temperature Sender / Sensor parts for the 2015 Hyundai Sonata come from 15 brands — HOLSTEIN, GPD, BECK/ARNLEY and 12 other brands. The "Popular" part is HOLSTEIN 2CTS0091. 3 parts fit every engine; the other 20 are engine-specific.

The Economy section: 5 options from HOLSTEIN, GPD and UNITED MOTOR PRODUCTS. HOLSTEIN 2CTS0091 is listed in this group.

Standard Replacement: 18 parts, from BECK/ARNLEY, DELPHI, FACET and 9 other brands. A representative part number is BECK/ARNLEY 1581695.

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

26 Thermostat parts are listed for the 2015 Hyundai Sonata, from MOTORAD, BECK/ARNLEY, AISIN and 7 other brands. AISIN THYK805 carries the "Popular" badge. The notes list position, dimensions and spec qualifiers wherever the manufacturer distinguishes between variants.

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

24 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2015 Hyundai Sonata come from 8 brands — FEL-PRO, MAHLE / CLEVITE, VICTOR REINZ and 5 other brands. The "Popular" part is FEL-PRO 35921.

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

18 Thermostat Housing / Water Outlet parts are listed for the 2015 Hyundai Sonata, from GATES, MOTORAD, FOUR SEASONS and 1 other brand. FOUR SEASONS 86288 carries the "Popular" badge.

This table covers the gaskets that seal the Water Inlet. 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

3 Water Inlet Gasket parts for the 2015 Hyundai Sonata come from 3 brands — AJUSA, APEX and FEL-PRO.

Listed part numbers: AJUSA 01113800, APEX AWO2093 and FEL-PRO 35368.

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

31 Water Pump parts are listed for the 2015 Hyundai Sonata, from DAYCO, BECK/ARNLEY, AISIN and 12 other brands. SKP SK1467450 carries the "Popular" badge. Economy and Standard Replacement are all represented, and Standard Replacement alone accounts for 18 parts.