98 Cooling system parts are listed for the 2001 Kia Rio, in 15 part types, covering the 1.5L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2001 Kia Rio, 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 Coolant / Antifreeze (13 parts), Temperature Sender / Sensor (12 parts) and Thermostat (11 parts). The other 12 part types cover the remaining 62 parts.
Every part on this page is matched to the 1.5L L4 — the only engine offered in the 2001 Kia Rio.
The most listed brands for 2001 Kia Rio cooling system parts are MOTORAD (9 parts), GATES (6 parts) and PRESTONE (5 parts), plus 41 more brands. Quality grades include Standard Replacement, Economy and Premium.
22 parts on this 2001 Kia Rio page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and ULTRA-POWER 2392 (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 | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇺🇸 US 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PRESTONE Popular | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA | Global Lifetime1 Gallon | View on Amazon |
| PRESTONE | AF6610 | 🇺🇸 US 🇨🇦 CA | MAX Asian Green1 Gallon | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN | ACG004 | 🇺🇸 US 🇨🇦 CA | GreenPOAT | View on Amazon |
| BECK/ARNLEY | 2521501 | 🇺🇸 US 🇨🇦 CA | Premium Extra Life BlueAsian | View on Amazon |
| BECK/ARNLEY | 2521001 | 🇺🇸 US 🇨🇦 CA | Premium Green1 Gallon | View on Amazon |
| PEAK | PAG1GAL | 🇺🇸 US 🇨🇦 CA | OET Asian Extended Life Green1 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.
13 Coolant / Antifreeze parts for the 2001 Kia Rio come from 5 brands — PRESTONE, PEAK, BECK/ARNLEY and 2 other brands. The "Popular" part is FVP MV5050GAL.
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, PRESTONE and PEAK — the catalog's value-priced group. FVP MV5050GAL is listed in this group.
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, AISIN and PEAK supply 4 parts: built to original-equipment specification. A representative part number is AISIN ACG004.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | KI3014101 | 🇺🇸 US 🇨🇦 CA | Sedan | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
One part is listed for the 2001 Kia Rio — TECHPRO KI3014101.
Cooling Fan Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS | 16789 | 🇺🇸 US 🇨🇦 CA | Better Control | View on Amazon |
| US MOTOR WORKS | 16795 | 🇺🇸 US 🇨🇦 CA | Best Control | View on Amazon |
This table covers the Cooling Fan control modules.
US MOTOR WORKS supplies both parts for the 2001 Kia Rio.
Part numbers include US MOTOR WORKS 16789 and US MOTOR WORKS 16795.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | 31428 | 🇺🇸 US 🇨🇦 CA | May Require Spacer Number 31416 | View on Amazon |
| MOTORAD | 3121 | 🇺🇸 US 🇨🇦 CA | StandardRadiator Cap Adapter | View on Amazon |
| MOTORAD | 3122 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| STANT | 12021 | 🇺🇸 US 🇨🇦 CA | Radiator Cap/Cooling System Tester Adapter | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
4 Cooling System Tester Adapter parts for the 2001 Kia Rio come from 3 brands — MOTORAD, GATES and STANT.
Part numbers include GATES 31428, MOTORAD 3121 and MOTORAD 3122, among others listed above.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular | 2392 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Popular | 2392 | 🇺🇸 US 🇨🇦 CA | PrimaryAutomatic trans. | View on Amazon |
| AGILITY | 8012392 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FVP | RAD2392 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NISSENS | 66624 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| OSC | 2392 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SPECTRA PREMIUM | CU2392 | 🇺🇸 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.
7 Radiator parts for the 2001 Kia Rio come from 7 brands — ULTRA-POWER, TYC, AGILITY and 4 other brands. The "Popular" part is ULTRA-POWER 2392.
The Economy section: 1 option from ULTRA-POWER. ULTRA-POWER 2392 is listed in this group.
Standard Replacement: 6 parts, from TYC, AGILITY, FVP and 3 other brands. A representative part number is TYC 2392.
Part numbers include ULTRA-POWER 2392 and AGILITY 8012392, among others listed above.
Radiator Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT | RC0213 | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 2 seals | View on Amazon |
| GATES | 31533 | 🇺🇸 US 🇨🇦 CA | Safety Release Radiator Cap | View on Amazon |
| MOTORAD | ST13R | 🇺🇸 US 🇨🇦 CA | Safety Lever | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular | T13R | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| SKP Popular | SK10227 | 🇺🇸 US 🇨🇦 CA | Pressure Rating 13 psi | View on Amazon |
| CALORSTAT | RC0050 | 🇺🇸 US 🇨🇦 CA | Includes 2 sealsMetallic | View on Amazon |
| GATES | 31333 | 🇺🇸 US 🇨🇦 CA | OE Type | 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.
7 Radiator Cap parts for the 2001 Kia Rio come from 4 brands — CALORSTAT, GATES, MOTORAD and 1 other brand. The "Popular" part is MOTORAD T13R.
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 RC0213.
Standard Replacement: 4 parts, from MOTORAD, SKP, CALORSTAT and 1 other brand. A representative part number is MOTORAD T13R.
Part numbers include MOTORAD T13R, CALORSTAT RC0213 and GATES 31533, among others listed above.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 2811340 | 🇺🇸 US 🇨🇦 CA | LeftRadiator Side | View on Amazon |
| TECHPRO | KI3115107 | 🇺🇸 US 🇨🇦 CA | Includes Motor, Blade and Shroud | View on Amazon |
| TECHPRO | KI3115109 | 🇺🇸 US 🇨🇦 CA | Includes Motor, Blade and Shroud | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Popular | 76025 | 🇺🇸 US 🇨🇦 CA | Automatic trans. | View on Amazon |
| VDO / CONTINENTAL Popular | FA70279 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UAC | FA70279C | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
6 Radiator Fan Assembly parts are listed for the 2001 Kia Rio, from TECHPRO, GPD, FOUR SEASONS and 2 other brands. FOUR SEASONS 76025 carries the "Popular" badge.
Economy: 3 parts, from TECHPRO and GPD. A representative part number is GPD 2811340.
The Standard Replacement section: 3 options from FOUR SEASONS, VDO / CONTINENTAL and UAC. FOUR SEASONS 76025 is listed in this group.
This group includes FOUR SEASONS 76025, GPD 2811340 and TECHPRO KI3115107 and the remaining parts above.
Radiator Fan Blade
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTO 7 | 3210029 | 🇺🇸 US 🇨🇦 CA | LeftAutomatic trans. | View on Amazon |
This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different.
One part is listed for the 2001 Kia Rio — AUTO 7 3210029.
Radiator Hose
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular | 81041 | 🇺🇸 US 🇨🇦 CA | Flex Radiator Hose | View on Amazon |
| CONTINENTAL | 52015 | 🇺🇸 US 🇨🇦 CA | FlexibleDoes Not include seals | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular | 71489 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| ACDELCO | 20387S | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| DAYCO | 72300 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| DAYCO | C70838 | 🇺🇸 US 🇨🇦 CA | Upper Radiator or Coolant HoseCurved | View on Amazon |
| GATES | 22684 | 🇺🇸 US 🇨🇦 CA | Molded1 3/16" x 10 9/32" Does Not Contain Spring | View on Amazon |
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.
7 Radiator Hose parts are listed for the 2001 Kia Rio, from DAYCO, CONTINENTAL, ACDELCO and 1 other brand. DAYCO 81041 carries the "Popular" badge.
Economy: 2 parts, from DAYCO and CONTINENTAL. A representative part number is DAYCO 81041.
The Standard Replacement section: 5 options from DAYCO, ACDELCO and GATES. DAYCO 71489 is listed in this group.
Part numbers include DAYCO 81041, CONTINENTAL 52015 and DAYCO 71489, among others listed above.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular | 5S1545 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BWD/NIEHOFF | WT5126 | 🇺🇸 US 🇨🇦 CA | Coolant Temperature Sensor | View on Amazon |
| GPD | 1712628 | 🇺🇸 US 🇨🇦 CA | with 3 Terminal(s)with M12 x 1.5 Thread | View on Amazon |
| HOLSTEIN | 2CTS0362 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular | 1580627 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA Popular | 009107441 | 🇺🇸 US 🇨🇦 CA | 2-Pin ConnectorBolted | View on Amazon |
| FOUR SEASONS | 37878 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NTK | EF0118 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | TX115 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VEMO | V53720055 | 🇺🇸 US 🇨🇦 CA | Thread Size: M12 X 1.25Plug (Connector): 2 Pins | View on Amazon |
| WALKER PRODUCTS | 2111063 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS | 5S1545 | 🇺🇸 US 🇨🇦 CA | 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.
12 Temperature Sender / Sensor parts for the 2001 Kia Rio come from 12 brands — ULTRA-POWER, BWD/NIEHOFF, GPD and 9 other brands. The "Popular" part is ULTRA-POWER 5S1545.
The Economy section: 4 options from ULTRA-POWER, BWD/NIEHOFF, GPD and 1 other brand. ULTRA-POWER 5S1545 is listed in this group.
Standard Replacement: 8 parts, from BECK/ARNLEY, HELLA, FOUR SEASONS and 5 other brands. A representative part number is BECK/ARNLEY 1580627.
Thermostat
Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 2323180 | 🇺🇸 US 🇨🇦 CA | High Flow | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 7323180 | 🇺🇸 US 🇨🇦 CA | Fail-Safe | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN Popular | THK004 | 🇺🇸 US 🇨🇦 CA | 88°C (190°F) OE TempFrom 07/2000 | View on Amazon |
| BECK/ARNLEY Popular | 1430688 | 🇺🇸 US 🇨🇦 CA | OE TemperatureGasket/Seal Not Included | View on Amazon |
| MOTORAD Popular | 323180 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| CALORSTAT | TH705088 | 🇺🇸 US 🇨🇦 CA | Does not include seal | View on Amazon |
| CALORSTAT | TH507682 | 🇺🇸 US 🇨🇦 CA | PerformanceDoes Not Include Seal | View on Amazon |
| FACET | 78647 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
| FACET | 78384 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
| MAHLE / CLEVITE | TX18682 | 🇺🇸 US 🇨🇦 CA | Does Not Include Gasket or Seal | View on Amazon |
| MOTORAD | 323192 | 🇺🇸 US 🇨🇦 CA | Standard | 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.
11 Thermostat parts are listed for the 2001 Kia Rio, from MOTORAD, CALORSTAT, FACET and 3 other brands. AISIN THK004 carries the "Popular" badge.
In the Performance grade, MOTORAD supplies 1 part: engineered beyond original-equipment specification. A representative part number is MOTORAD 2323180.
The Premium section: 1 option from MOTORAD. MOTORAD 7323180 is listed in this group.
The Standard Replacement section: 9 options from MOTORAD, CALORSTAT, FACET and 3 other brands. AISIN THK004 is listed in this group.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular | 35251 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing Cover Seal | View on Amazon |
| GATES Popular | 33644 | 🇺🇸 US 🇨🇦 CA | Thermostat Gasket - 1 27/32" | View on Amazon |
| APEX | AWO2014 | 🇺🇸 US 🇨🇦 CA | ThermostatWater Outlet Seal | View on Amazon |
| BECK/ARNLEY | 0390135 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| FACET | 79520 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| MAHLE / CLEVITE | C20115 | 🇺🇸 US 🇨🇦 CA | Paper | View on Amazon |
| MAHLE / CLEVITE | C31759 | 🇺🇸 US 🇨🇦 CA | Beaded Paper | View on Amazon |
| MOTORAD | MG68 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ | 711556800 | 🇺🇸 US 🇨🇦 CA | Paper | 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.
9 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2001 Kia Rio come from 8 brands — MAHLE / CLEVITE, FEL-PRO, GATES and 5 other brands. The "Popular" part is FEL-PRO 35251.
Part numbers include FEL-PRO 35251, GATES 33644 and APEX AWO2014, among others listed above.
Water Inlet Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX | AWO2210 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO | 35797 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE | C32119 | 🇺🇸 US 🇨🇦 CA | Beaded Paper | View on Amazon |
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.
3 Water Inlet Gasket parts for the 2001 Kia Rio come from 3 brands — APEX, FEL-PRO and MAHLE / CLEVITE.
This group includes APEX AWO2210, FEL-PRO 35797 and MAHLE / CLEVITE C32119.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Popular | 160099481 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| US MOTOR WORKS Popular | US9473 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AIRTEX | AW9473 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
| FAMOUS BRAND | T2252 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FVP | US9473 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS | WU9473 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular | 43507 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AISIN | WPK820 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GMB | 1462003 | 🇺🇸 US 🇨🇦 CA | OE # 0K30E-15-010 | View on Amazon |
| GMB | 1467300 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KIA | 251002X200 | 🇺🇸 US 🇨🇦 CA | 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.
11 Water Pump parts are listed for the 2001 Kia Rio, from FAMOUS BRAND, GMB, US MOTOR WORKS and 6 other brands. FAMOUS BRAND 160099481 carries the "Popular" badge.
Economy: 6 parts, from FAMOUS BRAND, US MOTOR WORKS, AIRTEX and 2 other brands. A representative part number is FAMOUS BRAND 160099481.
The Standard Replacement section: 4 options from GMB, GATES and AISIN. GATES 43507 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX | AWP3178 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO | 35798 | 🇺🇸 US 🇨🇦 CA | To Block | View on Amazon |
| MAHLE / CLEVITE | K32216 | 🇺🇸 US 🇨🇦 CA | Rubber Coated Beaded Steel | View on Amazon |
| VICTOR REINZ | 711602400 | 🇺🇸 US 🇨🇦 CA | 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.
4 Water Pump Gasket parts for the 2001 Kia Rio come from 4 brands — APEX, FEL-PRO, MAHLE / CLEVITE and 1 other brand.
Listed part numbers: APEX AWP3178, FEL-PRO 35798 and MAHLE / CLEVITE K32216, plus the other parts above.
Buying Cooling System Parts for a 2001 Kia Rio
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.
- Confirm you have the 1.5L L4 engine — every part on this page is matched to it.
- 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: Coolant / Antifreeze and Temperature Sender / Sensor .
Frequently Asked Questions
How many cooling system parts fit the 2001 Kia Rio?
Our catalog currently lists 98 cooling system parts for the 2001 Kia Rio across 15 subcategories and 44 brands, covering the 1.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2001 Kia Rio?
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 2001 Kia Rio 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 2001 Kia Rio?
Every part on this page is matched to the 1.5L L4 engine. 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 2001 Kia Rio
Cooling System Parts for Other Kia Rio Years
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