2025 Kia Seltos 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

12 Coolant / Antifreeze parts for the 2025 Kia Seltos come from 4 brands — PRESTONE, VALVOLINE, FVP and 1 other brand. The "Popular" part is PRESTONE AF3100. 5 parts fit every engine; the other 7 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 2 options from PRESTONE and VALVOLINE — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.

In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.

In the Premium grade, PRESTONE supplies 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, FVP, VALVOLINE and PENTOSIN supply 4 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

This group shows a single part: GATES 18547.

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

TECHPRO supplies both parts for the 2025 Kia Seltos.

This group includes TECHPRO KI3014109 and TECHPRO KI3014110.

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 for the 2025 Kia Seltos come from 3 brands — AGILITY, CSF and TYC.

This group includes AGILITY 8013862, CSF 3923 and TYC 13862.

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 2025 Kia Seltos, from AGILITY, TYC and UAC.

This group includes AGILITY 6010535, TYC 623820 and UAC FA50798C.

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

7 Temperature Sender / Sensor parts for the 2025 Kia Seltos come from 4 brands — STANDARD MOTOR PRODUCTS, WELLS, GPD and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS TX122.

The Economy section: 3 options from GPD, HOLSTEIN and STANDARD MOTOR PRODUCTS. GPD 1816395 is listed in this group.

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

1 further part sits outside the graded sections, with the same engine-level match.

This group includes STANDARD MOTOR PRODUCTS TX122, GPD 1816395 and HOLSTEIN 2CTS0091 and the remaining 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 are listed for the 2025 Kia Seltos, from AISIN, CALORSTAT, GATES and 1 other brand.

Listed part numbers: AISIN THYK804, CALORSTAT TH735488J and GATES 34801, plus the other parts above.

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

2 Thermostat Housing / Water Outlet parts are listed for the 2025 Kia Seltos, from GATES and MOTORAD.

This group includes GATES CO35070 and MOTORAD CH3153.

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

8 Water Pump parts are listed for the 2025 Kia Seltos, from GATES, GMB, SKP and 3 other brands. AISIN WPK813 carries the "Popular" badge.

Economy: 1 part, from SKP. A representative part number is SKP SK1467370.

The Standard Replacement section: 4 options from AISIN, DAYCO, GATES and 1 other brand. AISIN WPK813 is listed in this group.

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

This group includes AISIN WPK813, SKP SK1467370 and DAYCO DP598 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

This group shows a single part: ELRING 854160.