This page lists 108 cooling system parts for the 2021 Kia Seltos, across 16 part types, covering all 4 engine options (1.4L L4 Turbocharged, 1.6L L4, 1.6L L4 Turbocharged and 2.0L L4). Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 Kia Seltos, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. Most of the listed parts are Water Pump (18 parts), Coolant / Antifreeze (17 parts) and Radiator Fan Assembly (14 parts). The other 13 part types cover the remaining 59 parts.
The 2021 Kia Seltos was sold with 4 engines. 14 parts fit every engine; the other 94 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2021 Kia Seltos cooling system parts are MOTORAD (8 parts), GATES (7 parts) and TECHPRO (7 parts), plus 38 more brands. Quality grades include Standard Replacement, Economy and Premium.
20 parts on this 2021 Kia Seltos page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and CSF 3923 (Radiator). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2021 Seltos engines | AF3055 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: 1.6L L4 Turbocharged, 2.0L L4 | MV5050GAL | 🇺🇸 US 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PRESTONE Popular Fits: all 2021 Seltos engines | AF3100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE Popular Fits: 1.4L L4 Turbocharged, 1.6L L4 | 719009 | 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
| PEAK Fits: all 2021 Seltos engines | BQA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2021 Seltos engines | AFC12100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: all 2021 Seltos engines | AF2100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PEAK Fits: all 2021 Seltos engines | PKP1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK Fits: all 2021 Seltos engines | PXA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Global Lifetime1 Gallon | View on Amazon |
| PRESTONE Fits: all 2021 Seltos engines | AF6210 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MAX Original EquipmentAsian Red/Pink | View on Amazon |
| PRESTONE Fits: all 2021 Seltos engines | AFMAX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: 1.6L L4 Turbocharged, 2.0L L4 | 861398 | 🇺🇸 US 🇨🇦 CA | Asian Vehicle Blue1 Gallon | View on Amazon |
| AISIN Fits: all 2021 Seltos engines | ACG004 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | GreenPOAT | View on Amazon |
| BECK/ARNLEY Fits: 1.6L L4 Turbocharged, 2.0L L4 | 2521501 | 🇺🇸 US 🇨🇦 CA | Premium Extra Life BlueAsian | View on Amazon |
| BECK/ARNLEY Fits: 1.6L L4 Turbocharged, 2.0L L4 | 2521001 | 🇺🇸 US 🇨🇦 CA | Premium Green1 Gallon | View on Amazon |
| PEAK Fits: all 2021 Seltos engines | PAR1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OET Asian Extended Life Red1 Gallon | View on Amazon |
| PENTOSIN Fits: 1.6L L4, 1.6L L4 Turbocharged, 2.0L L4 | 8115209 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pentofrost A41 Gallon | View on Amazon |
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.
17 Coolant / Antifreeze parts for the 2021 Kia Seltos come from 7 brands — PRESTONE, PEAK, VALVOLINE and 4 other brands. The "Popular" part is FVP MV5050GAL. 11 parts fit every engine; the other 6 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, VALVOLINE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL 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 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, BECK/ARNLEY, VALVOLINE, AISIN and 2 other brands supply 6 parts: built to original-equipment specification. A representative part number is VALVOLINE 861398.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 2.0L L4 | 18547 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
This group shows a single part: GATES 18547.
Coolant Hose Connector / Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: 2.0L L4 | 86361 | 🇺🇸 US 🇨🇦 CA | Water Inlet | View on Amazon |
This table covers the Coolant Hose Connector flanges.
This group shows a single part: FOUR SEASONS 86361.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO Fits: 1.6L L4, 1.6L L4 Turbocharged | HY3014124 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Cap and Hose | View on Amazon |
| TECHPRO Fits: 1.6L L4, 1.6L L4 Turbocharged | HY3014123 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Reservoir & Hose Assembly | View on Amazon |
| TECHPRO Fits: 1.6L L4, 1.6L L4 Turbocharged | KI3014108 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
TECHPRO supplies the 3 Coolant Reservoir parts for the 2021 Kia Seltos.
Part numbers include TECHPRO HY3014124, TECHPRO HY3014123 and TECHPRO KI3014108.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 1.6L L4 Turbocharged | T109 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| MOTORAD Fits: 2.0L L4 | T153 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
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.
MOTORAD supplies both parts for the 2021 Kia Seltos.
Listed part numbers: MOTORAD T109 and MOTORAD T153.
Cooling Fan Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HYUNDAI Fits: 1.6L L4, 1.6L L4 Turbocharged | 25385D9000 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Cooling Fan control modules.
One part is listed for the 2021 Kia Seltos — HYUNDAI 25385D9000.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Fits: 1.6L L4 Turbocharged | 13899C | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TECHPRO Fits: 1.6L L4, 1.6L L4 Turbocharged | KI3010176 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TECHPRO Fits: 2.0L L4 | KI3010170 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CSF Popular Fits: 2.0L L4 | 3923 | 🇺🇸 US 🇨🇦 CA | Upgraded Core29% Thicker 15.5mm vs OEM 12mm | View on Amazon |
| TYC Popular Fits: 2.0L L4 | 13862 | 🇺🇸 US 🇨🇦 CA | EX Model or LX Model or S Model | View on Amazon |
| AGILITY Fits: 2.0L L4 | 8013862 | 🇺🇸 US 🇨🇦 CA | Automatic trans. | View on Amazon |
| FVP Fits: 1.6L L4, 1.6L L4 Turbocharged | RAD13899 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| KIA Fits: 1.6L L4 Turbocharged | 25310Q5050 | 🇺🇸 US | View on Amazon | |
| KOYORAD Fits: 2.0L L4 | A13862 | 🇺🇸 US 🇨🇦 CA | Core Width: 28.5 In | View on Amazon |
| UAC Fits: 2.0L L4 | RA13862C | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
10 Radiator parts for the 2021 Kia Seltos come from 9 brands — TECHPRO, GPD, CSF and 6 other brands. The "Popular" part is CSF 3923.
The Economy section: 3 options from TECHPRO and GPD. GPD 13899C is listed in this group.
Standard Replacement: 7 parts, from CSF, TYC, AGILITY and 4 other brands. A representative part number is CSF 3923.
Radiator Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 1.6L L4 | ST16R | 🇲🇽 MX | Safety LeverIndicator Markings Color: Blue, Red | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 1.6L L4 | T16R | 🇲🇽 MX | StandardIndicator Markings Color: Silver | View on Amazon |
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.
2 Radiator Cap parts for the 2021 Kia Seltos come from MOTORAD.
In the Locking Replacement grade, MOTORAD supplies 1 part: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is MOTORAD ST16R.
Standard Replacement: 1 part, from MOTORAD. A representative part number is MOTORAD T16R.
Listed part numbers: MOTORAD ST16R and MOTORAD T16R.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular Fits: 1.6L L4 Turbocharged | 625150 | 🇺🇸 US 🇨🇦 CA | Fits RightDoor Mirror | View on Amazon |
| SKP Fits: 2.0L L4 | SK75429 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TECHPRO Fits: 1.6L L4, 1.6L L4 Turbocharged | KI3115166 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TECHPRO Fits: 2.0L L4 | HY3115165 | 🇺🇸 US 🇨🇦 CA | Single Fan Assembly | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Popular Fits: 2.0L L4 | 75429 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TYC Popular Fits: 2.0L L4 | 623820 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AGILITY Fits: 1.6L L4, 1.6L L4 Turbocharged | 6010536 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| AGILITY Fits: 2.0L L4 | 6010535 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HYUNDAI Fits: 2.0L L4 | 25380J3140 | 🇺🇸 US | View on Amazon | |
| NISSENS Fits: 2.0L L4 | 850359 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TYC Fits: 1.6L L4 Turbocharged | 625150 | 🇺🇸 US | View on Amazon | |
| UAC Fits: 1.6L L4 | FA50617C | 🇲🇽 MX | EX Pack | View on Amazon |
| UAC Fits: 1.6L L4, 2.0L L4 | FA50798C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | EX Model | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KIA Fits: 1.6L L4 Turbocharged | 25380Q5000 | 🇺🇸 US | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
14 Radiator Fan Assembly parts are listed for the 2021 Kia Seltos, from TECHPRO, TYC, AGILITY and 7 other brands. ULTRA-POWER 625150 carries the "Popular" badge.
Economy: 4 parts, from TECHPRO, ULTRA-POWER and SKP. A representative part number is ULTRA-POWER 625150.
The Standard Replacement section: 9 options from TYC, AGILITY, UAC and 3 other brands. FOUR SEASONS 75429 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Radiator Fan Resistor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 2.0L L4 | FCM153 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4, 1.6L L4 Turbocharged | RY2019 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 | RY2015 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Oval, Rectangle | View on Amazon |
This table covers the Radiator Fan resistors.
3 Radiator Fan Resistor parts for the 2021 Kia Seltos come from 2 brands — STANDARD MOTOR PRODUCTS and GATES.
Listed part numbers: GATES FCM153, STANDARD MOTOR PRODUCTS RY2019 and STANDARD MOTOR PRODUCTS RY2015.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2021 Seltos engines | TX122T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
| GPD Fits: all 2021 Seltos engines | 1712556 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 4 Terminal(s)Located on Water Pump | View on Amazon |
| HOLSTEIN Fits: 1.6L L4, 1.6L L4 Turbocharged, 2.0L L4 | 2CTS0091 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Atkinson Engine Package | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 1.6L L4, 1.6L L4 Turbocharged, 2.0L L4 | CTS125 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2021 Seltos engines | TX122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DELPHI Fits: 1.6L L4 Turbocharged, 2.0L L4 | TS10326 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA Fits: 1.6L L4 Turbocharged, 2.0L L4 | 009309621 | 🇺🇸 US 🇨🇦 CA | 3-Pin Connector | View on Amazon |
| NTK Fits: 2.0L L4 | EF0112 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Fits: 1.6L L4 Turbocharged, 2.0L L4 | 2111120 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS Fits: 1.6L L4 Turbocharged, 2.0L L4 | 5S1533 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangular | View on Amazon |
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.
10 Temperature Sender / Sensor parts for the 2021 Kia Seltos come from 9 brands — STANDARD MOTOR PRODUCTS, GPD, HOLSTEIN and 6 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX122T. 3 parts fit every engine; the other 7 are engine-specific.
The Economy section: 4 options from STANDARD MOTOR PRODUCTS, GPD, HOLSTEIN and 1 other brand. STANDARD MOTOR PRODUCTS TX122T is listed in this group.
Standard Replacement: 6 parts, from STANDARD MOTOR PRODUCTS, DELPHI, HELLA and 3 other brands. A representative part number is STANDARD MOTOR PRODUCTS TX122.
Thermostat
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA Fits: 2.0L L4 | HY0720019 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DORMAN Fits: 2.0L L4 | 9025210 | 🇺🇸 US 🇨🇦 CA | Includes Housing | View on Amazon |
| SKP Fits: 2.0L L4 | SK121423 | 🇺🇸 US 🇨🇦 CA | Includes Housing | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular Fits: 2.0L L4 | 1430980 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORAD Popular Fits: 2.0L L4 | 727192 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| HYUNDAI Fits: 2.0L L4 | 255002E085 | 🇺🇸 US 🇨🇦 CA | Assembly | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular Fits: 1.6L L4 Turbocharged, 1.6L L4 | 34802 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Type | View on Amazon |
| MOTORAD Popular Fits: 1.6L L4 Turbocharged, 1.6L L4 | 726180 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Seal | View on Amazon |
| AISIN Fits: 1.6L L4, 1.6L L4 Turbocharged | THYK803 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Thermostat Seal | View on Amazon |
| BECK/ARNLEY Fits: 1.6L L4 Turbocharged | 1430900 | 🇺🇸 US 🇨🇦 CA | TEMPERATURE 81C/179F | View on Amazon |
| CALORSTAT Fits: 1.6L L4 Turbocharged | TH694982J | 🇺🇸 US 🇨🇦 CA | Includes 3 Rubber & Paper & Metal Gasket | View on Amazon |
| MAHLE / CLEVITE Fits: 1.6L L4 Turbocharged | TX34882D | 🇺🇸 US | Includes Gasket or Seal | View on Amazon |
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.
12 Thermostat parts are listed for the 2021 Kia Seltos, from BECK/ARNLEY, MOTORAD, AUTOTECNICA and 7 other brands. BECK/ARNLEY 1430980 carries the "Popular" badge.
Economy: 3 parts, from AUTOTECNICA, DORMAN and SKP. A representative part number is AUTOTECNICA HY0720019.
The Standard Replacement section: 3 options from BECK/ARNLEY, MOTORAD and HYUNDAI. BECK/ARNLEY 1430980 is listed in this group.
6 ungrouped parts are not assigned to a grade, with the same engine-level match.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 1.6L L4 Turbocharged | 326310 | 🇨🇦 CA | Body code: SP2 | View on Amazon |
| FEL-PRO Fits: 1.6L L4 Turbocharged | 36004 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing Seal | View on Amazon |
| FEL-PRO Fits: 2.0L L4 | 36016 | 🇺🇸 US 🇨🇦 CA | Water Outlet Seal | View on Amazon |
| MAHLE / CLEVITE Fits: 2.0L L4 | C32727 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
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.
4 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Kia Seltos come from 3 brands — FEL-PRO, ELRING and MAHLE / CLEVITE.
This group includes ELRING 326310, FEL-PRO 36004 and FEL-PRO 36016 and the remaining parts above.
Thermostat Housing / Water Outlet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: 1.6L L4, 1.6L L4 Turbocharged | 86231 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Water Outlet | View on Amazon |
| GATES Fits: 1.6L L4, 1.6L L4 Turbocharged | CO34935 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Thermostat CoverWater Outlet | View on Amazon |
| GATES Fits: 2.0L L4 | CO35110 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
| MOTORAD Fits: 1.6L L4, 1.6L L4 Turbocharged | CH3125 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Thermostat Housingor Water Outlet | View on Amazon |
| MOTORAD Fits: 2.0L L4 | CH3153 | 🇺🇸 US 🇨🇦 CA | Fits Thermostat Housingor Water Outlet | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
5 Thermostat Housing / Water Outlet parts are listed for the 2021 Kia Seltos, from GATES, MOTORAD and FOUR SEASONS.
This group includes FOUR SEASONS 86231, GATES CO34935 and GATES CO35110 and the remaining parts above.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS Popular Fits: 1.6L L4, 1.6L L4 Turbocharged | US6247 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| BECK/ARNLEY Fits: 1.6L L4 Turbocharged | 1312430 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BECK/ARNLEY Fits: 2.0L L4 | 1312429 | 🇺🇸 US 🇨🇦 CA | Metal Impeller | View on Amazon |
| FVP Fits: 1.6L L4, 1.6L L4 Turbocharged | US6247 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FVP Fits: 2.0L L4 | US8106 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: 1.6L L4, 1.6L L4 Turbocharged | SK1467420 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| SKP Fits: 2.0L L4 | SK1467370 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| US MOTOR WORKS Fits: 2.0L L4 | US8106 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 2.0L L4 | 252977 | 🇺🇸 US 🇨🇦 CA | GoldDoes Not Include Mount Bolts | View on Amazon |
| AISIN Popular Fits: 1.6L L4, 1.6L L4 Turbocharged | WPK810 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| AISIN Popular Fits: 2.0L L4 | WPK813 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DAYCO Fits: 1.6L L4 Turbocharged | DP1936 | 🇺🇸 US 🇨🇦 CA | Serpentine Belt Driven | View on Amazon |
| DAYCO Fits: 2.0L L4 | DP598 | 🇺🇸 US 🇨🇦 CA | Serpentine Belt Driven | View on Amazon |
| GATES Fits: 1.6L L4, 1.6L L4 Turbocharged | 41100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GATES Fits: 2.0L L4 | 41094 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GMB Fits: 1.6L L4, 1.6L L4 Turbocharged | 1467420 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GMB Fits: 2.0L L4 | 1467370 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SALERI Fits: 1.6L L4 Turbocharged, 2.0L L4 | PA1520 | 🇺🇸 US 🇨🇦 CA | Mechanical | View on Amazon |
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.
18 Water Pump parts are listed for the 2021 Kia Seltos, from US MOTOR WORKS, BECK/ARNLEY, FVP and 7 other brands. US MOTOR WORKS US6247 carries the "Popular" badge.
Economy: 8 parts, from US MOTOR WORKS, BECK/ARNLEY, FVP and 1 other brand. A representative part number is US MOTOR WORKS US6247.
The Standard Replacement section: 10 options from AISIN, DAYCO, GATES and 3 other brands. ACDELCO 252977 is listed in this group.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 1.6L L4 Turbocharged | 316180 | 🇨🇦 CA | Body code: SP2 | View on Amazon |
| ELRING Fits: 2.0L L4 | 854160 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO Fits: 1.6L L4 Turbocharged | 36003 | 🇺🇸 US 🇨🇦 CA | To Block | View on Amazon |
| FEL-PRO Fits: 2.0L L4 | 36015 | 🇺🇸 US 🇨🇦 CA | To Block | View on Amazon |
| MAHLE / CLEVITE Fits: 2.0L L4 | K32724 | 🇺🇸 US 🇨🇦 CA | Rubber Coated Metal | View on Amazon |
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.
5 Water Pump Gasket parts for the 2021 Kia Seltos come from 3 brands — ELRING, FEL-PRO and MAHLE / CLEVITE.
This group includes ELRING 316180, ELRING 854160 and FEL-PRO 36003 and the remaining parts above.
Buying Cooling System Parts for a 2021 Kia Seltos
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Match the engine first. Some cooling system parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Water Pump and Coolant / Antifreeze .
Frequently Asked Questions
How many cooling system parts fit the 2021 Kia Seltos?
Our catalog currently lists 108 cooling system parts for the 2021 Kia Seltos across 16 subcategories and 41 brands, covering all 4 engine options (1.4L L4 Turbocharged, 1.6L L4, 1.6L L4 Turbocharged and 2.0L L4). Each part is matched to the engine(s) it fits.
Do cooling system parts differ between 2021 Kia Seltos engines?
Some do. 14 parts fit every engine; the other 94 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of cooling system problems on a 2021 Kia Seltos?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 Kia Seltos was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 Kia Seltos?
First match the engine — each row shows which engine(s) the part fits. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Kia Seltos
Cooling System Parts for Other Kia Seltos Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.