This page lists 13 cooling system parts for the 2026 Kia Carnival, across 3 part types, covering both the 1.6L L4 ELECTRIC/GAS Turbocharged and the 3.5L V6. Every part shows its brand, manufacturer part number and fitment notes.
On the 2026 Kia Carnival, 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. All 13 listed parts are Coolant / Antifreeze (9 parts), Temperature Sender / Sensor (3 parts) and Radiator Fan Assembly (1 part).
The 2026 Kia Carnival was sold with both the 1.6L L4 ELECTRIC/GAS Turbocharged and the 3.5L V6. 9 parts fit every engine; the other 4 are engine-specific. Each part shows which engine(s) it fits.
5 brands supply cooling system parts for the 2026 Kia Carnival, led by PRESTONE (6 parts), STANDARD MOTOR PRODUCTS (3 parts) and VALVOLINE (2 parts), plus 2 more brands. Quality grades include Premium, Standard Replacement and Compatible With All Colors.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2026 Kia Carnival. 2 parts have it, including PRESTONE AF2100 (Coolant / Antifreeze) and VALVOLINE 861398 (Coolant / Antifreeze). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2026 Carnival engines | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2026 Carnival engines | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2026 Carnival engines | AFC12100 | 🇺🇸 US 🇨🇦 CA | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: all 2026 Carnival engines | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PRESTONE Fits: all 2026 Carnival engines | AF6210 | 🇺🇸 US 🇨🇦 CA | MAX Original EquipmentAsian Red/Pink | View on Amazon |
| PRESTONE Fits: all 2026 Carnival engines | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: all 2026 Carnival engines | 861398 | 🇺🇸 US 🇨🇦 CA | Asian Vehicle Blue1 Gallon | View on Amazon |
| PENTOSIN Fits: all 2026 Carnival engines | 8115209 | 🇺🇸 US 🇨🇦 CA | Pentofrost A41 Gallon | View on Amazon |
| VALVOLINE Fits: 1.6L L4 ELECTRIC/GAS Turbocharged | 898406 | 🇺🇸 US 🇨🇦 CA | Hybrid Vehicle1 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.
9 Coolant / Antifreeze parts are listed for the 2026 Kia Carnival, from PRESTONE, VALVOLINE and PENTOSIN. PRESTONE AF2100 carries the "Popular" badge. 8 parts fit every engine; the other 1 is engine-specific.
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, PRESTONE supplies 1 part: the catalog's value-priced group. A representative part number is PRESTONE AF3100.
The Heavy Duty section lists 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.
The Premium section lists 3 options from PRESTONE — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.
The Standard Replacement section lists 3 options from VALVOLINE and PENTOSIN — built to original-equipment specification. VALVOLINE 861398 is listed in this group.
Part numbers include PRESTONE AF2100, PRESTONE AF3055 and PRESTONE AF3100, among others listed above.
Radiator Fan Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Fits: all 2026 Carnival engines | 625610 | 🇺🇸 US 🇨🇦 CA | EX Model or EX+ Model or LX Model or LX+ Model or LXS Model or SX Model or SX+ Model | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
This group shows a single part: TYC 625610.
Temperature Sender / Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 ELECTRIC/GAS Turbocharged | TX337 | 🇺🇸 US 🇨🇦 CA | FrontLocated on Engine Block | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 | TX366 | 🇺🇸 US 🇨🇦 CA | Water Pump | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 | TX357 | 🇺🇸 US 🇨🇦 CA | Located on Thermostat Housing | 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.
STANDARD MOTOR PRODUCTS supplies the 3 Temperature Sender / Sensor parts for the 2026 Kia Carnival.
This group includes STANDARD MOTOR PRODUCTS TX337, STANDARD MOTOR PRODUCTS TX366 and STANDARD MOTOR PRODUCTS TX357.
Buying Cooling System Parts for a 2026 Kia Carnival
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: Coolant / Antifreeze and Temperature Sender / Sensor .
Frequently Asked Questions
How many cooling system parts fit the 2026 Kia Carnival?
Our catalog currently lists 13 cooling system parts for the 2026 Kia Carnival across 3 subcategories and 5 brands, covering both the 1.6L L4 ELECTRIC/GAS Turbocharged and the 3.5L V6. Each part is matched to the engine(s) it fits.
Do cooling system parts differ between 2026 Kia Carnival engines?
Some do. 9 parts fit every engine; the other 4 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 2026 Kia Carnival?
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 2026 Kia Carnival 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 2026 Kia Carnival?
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 2026 Kia Carnival
Cooling System Parts for Other Kia Carnival Years
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