2021 Kia FORTE5 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

13 Coolant / Antifreeze parts are listed for the 2021 Kia FORTE5, from PRESTONE, PEAK, VALVOLINE and 2 other brands. PRESTONE AF2100 carries the "Popular" badge. All of them fit every engine offered in the 2021 FORTE5.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, PEAK and PRESTONE supply 2 parts: the catalog's value-priced group. A representative part number is PEAK BQA1GAL.

The Premium section lists 4 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 6 options from VALVOLINE, AISIN, PEAK and 1 other brand — built to original-equipment specification. VALVOLINE ZXEL1 is listed in this group.

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

This group shows a single part: CALORSTAT RC0201.

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

5 Radiator parts are listed for the 2021 Kia FORTE5, from DENSO, KOYORAD, OSC and 2 other brands. DENSO 2219567 carries the "Popular" badge.

This group includes DENSO 2219567, KOYORAD A13775 and OSC 13775 and the remaining parts 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

3 Radiator Cap parts are listed for the 2021 Kia FORTE5, from CALORSTAT, DORMAN and GATES. 2 parts fit every engine; the other 1 is engine-specific.

Part numbers include CALORSTAT RC0027, DORMAN 54237 and GATES 31336.

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

3 Radiator Fan Assembly parts for the 2021 Kia FORTE5 come from 3 brands — FOUR SEASONS, NISSENS and UAC.

This group includes FOUR SEASONS 75194, NISSENS 850304 and UAC FA50617C.

This table covers the Radiator Fan resistors. Read more

One part is listed for the 2021 Kia FORTE5 — GATES FCM160.

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 for the 2021 Kia FORTE5 come from 2 brands — 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

6 Temperature Sender / Sensor parts are listed for the 2021 Kia FORTE5, from STANDARD MOTOR PRODUCTS, GPD, HOLSTEIN and 2 other brands. STANDARD MOTOR PRODUCTS TX122T carries the "Popular" badge. All of them fit every engine offered in the 2021 FORTE5.

Economy: 3 parts, from STANDARD MOTOR PRODUCTS, GPD and HOLSTEIN. A representative part number is STANDARD MOTOR PRODUCTS TX122T.

The Standard Replacement section: 3 options from STANDARD MOTOR PRODUCTS, NTK and WELLS. STANDARD MOTOR PRODUCTS TX122 is listed in this group.

Part numbers include STANDARD MOTOR PRODUCTS TX122T, GPD 1712632 and HOLSTEIN 2CTS0091, among others listed 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

9 Thermostat parts for the 2021 Kia FORTE5 come from 6 brands — AISIN, CALORSTAT, GATES and 3 other brands. The "Popular" part is AISIN THYK804.

The Economy section: 2 options from DORMAN and SKP. DORMAN 9025210 is listed in this group.

Standard Replacement: 4 parts, from AISIN, CALORSTAT, FOUR SEASONS and 1 other brand. A representative part number is AISIN THYK804.

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

This group includes AISIN THYK804, DORMAN 9025210 and SKP SK121423 and the remaining parts above.

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

FEL-PRO supplies both parts for the 2021 Kia FORTE5.

This group includes FEL-PRO 36004 and FEL-PRO 36016.

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

3 Thermostat Housing / Water Outlet parts for the 2021 Kia FORTE5 come from 2 brands — GATES and FOUR SEASONS.

This group includes FOUR SEASONS 86231, GATES CO35056 and GATES CO35070.

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

10 Water Pump parts for the 2021 Kia FORTE5 come from 5 brands — SKP, AISIN, FVP and 2 other brands. The "Popular" part is AISIN WPK810.

The Economy section: 2 options from SKP. SKP SK1467420 is listed in this group.

Standard Replacement: 8 parts, from AISIN, FVP, GATES and 1 other brand. A representative part number is AISIN WPK810.

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

3 Water Pump Gasket parts are listed for the 2021 Kia FORTE5, from FEL-PRO and ELRING.

This group includes ELRING 854160, FEL-PRO 36003 and FEL-PRO 36015.