2021 Kia Forte 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

14 Coolant / Antifreeze parts for the 2021 Kia Forte come from 7 brands — PRESTONE, PEAK, BECK/ARNLEY and 4 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 1.6L L4 Turbocharged and the 2.0L L4.

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 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, BECK/ARNLEY, VALVOLINE, AISIN and 2 other brands supply 6 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: HYUNDAI 25411F2050.

This table covers the Coolant Hose Connector flanges. Read more

This group shows a single part: FOUR SEASONS 86361.

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

4 Coolant Reservoir Cap parts are listed for the 2021 Kia Forte, from MOTORAD and CALORSTAT.

The Locking Replacement section lists 1 option from MOTORAD — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. MOTORAD ST16R is listed in this group.

The Standard Replacement section: 1 option from MOTORAD. MOTORAD T16R is listed in this group.

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

Listed part numbers: MOTORAD ST16R, MOTORAD T16R and CALORSTAT RC0201, plus the other parts above.

This table covers the Cooling Fan control modules. Read more

One part is listed for the 2021 Kia Forte — HYUNDAI 25385F2000.

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

2 Cooling System Tester Adapter parts for the 2021 Kia Forte come from MOTORAD.

This group includes MOTORAD 3122 and MOTORAD 3121.

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

3 Intercooler parts for the 2021 Kia Forte come from 3 brands — GPD, TECHPRO and TYC.

This group includes GPD 2711572, TECHPRO HY3012110 and TYC 18122.

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

12 Radiator parts for the 2021 Kia Forte come from 9 brands — GPD, CSF, AGILITY and 6 other brands. The "Popular" part is CSF 3870.

The Economy section: 3 options from GPD and TECHPRO. GPD 13710C is listed in this group.

Standard Replacement: 9 parts, from CSF, AGILITY, KIA and 4 other brands. A representative part number is CSF 3870.

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

7 Radiator Cap parts for the 2021 Kia Forte come from 4 brands — MOTORAD, DORMAN, GATES and 1 other brand. The "Popular" part is MOTORAD T16R.

Locking Replacement: 1 part, from MOTORAD. A representative part number is MOTORAD ST16R.

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

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

Part numbers include MOTORAD T16R, MOTORAD ST16R and CALORSTAT RC0027, among others listed above.

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

11 Radiator Fan Assembly parts are listed for the 2021 Kia Forte, from GPD, TYC, HYUNDAI and 5 other brands. AGILITY 6010321 carries the "Popular" badge.

Economy: 3 parts, from GPD and TECHPRO. A representative part number is GPD 2812040.

The Standard Replacement section: 8 options from TYC, HYUNDAI, AGILITY and 3 other brands. AGILITY 6010321 is listed in this group.

This table covers the Radiator Fan resistors. Read more

2 Radiator Fan Resistor parts for the 2021 Kia Forte come from 2 brands — GATES and STANDARD MOTOR PRODUCTS. 1 part fits every engine; the other 1 is engine-specific.

This group includes GATES FCM160 and STANDARD MOTOR PRODUCTS RY2022.

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

3 Radiator Hose parts are listed for the 2021 Kia Forte, from GATES and CONTINENTAL.

Listed part numbers: CONTINENTAL 61646, GATES 51789 and GATES 52452.

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

10 Temperature Sender / Sensor parts for the 2021 Kia Forte come from 9 brands — STANDARD MOTOR PRODUCTS, GPD, HOLSTEIN and 6 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX122T. Every part fits both the 1.6L L4 Turbocharged and the 2.0L L4.

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.

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

14 Thermostat parts are listed for the 2021 Kia Forte, from CALORSTAT, MOTORAD, AISIN and 6 other brands. CALORSTAT TH735488J carries the "Popular" badge.

Economy: 2 parts, from DORMAN and SKP. A representative part number is DORMAN 9025210.

The Standard Replacement section: 6 options from CALORSTAT, MOTORAD, AISIN and 3 other brands. CALORSTAT TH735488J is listed in this group.

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

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

5 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Kia Forte come from 3 brands — APEX, FEL-PRO and MAHLE / CLEVITE.

This group includes APEX AWO2342, APEX AWO2408 and FEL-PRO 36004 and the remaining parts above.

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

6 Thermostat Housing / Water Outlet parts are listed for the 2021 Kia Forte, from MOTORAD, GATES and FOUR SEASONS.

Listed part numbers: FOUR SEASONS 86231, GATES CO35056 and GATES CO35070, plus the other parts above.

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

16 Water Pump parts are listed for the 2021 Kia Forte, from US MOTOR WORKS, FVP, SKP and 7 other brands. US MOTOR WORKS US6247 carries the "Popular" badge.

Economy: 7 parts, from US MOTOR WORKS, FVP, SKP and 1 other brand. A representative part number is US MOTOR WORKS US6247.

The Standard Replacement section: 9 options from AISIN, GATES, GMB and 3 other brands. ACDELCO 252977 is listed in this group.

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

6 Water Pump Gasket parts for the 2021 Kia Forte come from 4 brands — APEX, FEL-PRO, ELRING and 1 other brand.

This group includes APEX AWP3282, APEX AWP3300 and ELRING 854160 and the remaining parts above.