How to remove and install a coolant reservoir on Kia Sedona?

Under the tank place a pan and rags, thereafter detach the hose from the tank. To keep it from spilling out, plug it reservoir opening. You should be ready to experience some coolant loss. Unfasten it and separate the reservoir from the inner fender panel. When disconnected from the vehicle, clean with soap water and brush to remove any build up inside. Check for damages and replace if necessary. Installation is reversal of removal process. Fill with recommended coolant type and quantity into your reservoir.

Genuine Kia Sedona Coolant Reservoir

Coolant Tank Reservoir

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4 Coolant Reservoirs found

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Kia Sedona Radiator Coolant Overflow Reservoir Tank
Part Number: 254302W000
$20.77 MSRP: $29.72
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Product Specifications
- Other Name: Tank Assembly-Reservoir; Reservoir, Reservoir Assembly, Reservoir Tank
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2015-2021 Kia Sedona | 3.3L - Lambda 2 | Wagon Long - 7P, Wagon Long - 8P
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Kia Sedona Engine Coolant Reservoir Tank Assembly
Part Number: 254304D600
$25.91 MSRP: $37.07
You Save: $11.16 (31%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Tank Assembly-Reservoir; Reservoir, Reservoir Assembly
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2014 Kia Sedona | High Grade, Middle Grade | 3.5L - Lambda 2, 3.8L, 3.8L - Lambda | Wagon Long - 7P, Wagon Long 7, Wagon Short - 7P, Wagon Short 7
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Kia Sedona Reservoir Tank Assembly
Part Number: 0K55815250C
Product Specifications
- Other Name: Tank Assembly-Reserve; Reservoir Assembly
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2001-2005 Kia Sedona | Low Grade, Middle Grade | 3.5L | Wagon Short 7
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Kia Sedona Reservoir Tank Assembly
Part Number: 0K55815250B
Product Specifications
- Other Name: Tank Assembly-Reserve; Reservoir Assembly
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2001-2005 Kia Sedona | Low Grade, Middle Grade | 3.5L | Wagon Short 7

Kia Sedona Coolant Reservoir

Kia Sedona Coolant Reservoir safeguards the minivan's engine by providing the expanding coolant a safe location to go to and then returning it to the radiator once temperatures fall so that the system remains full and air free. Early Sedona models applied a simple overflow style Coolant Reservoir, recognized by its plastic cap and non-pressurized setup where a radiator-mounted pressure cap releases hot fluid into the bottle and a vacuum draws it back when the engine cools. Later versions adopted a pressurized expansion style Coolant Reservoir made of thicker reinforced plastic, mounting the pressure cap on the tank itself at the system's high point so air, not fluid, is vented during heat spikes, further reducing rust risk. In both cases, Kia places clear MIN and MAX lines on the translucent tank for easy cold-engine level checks. A properly filled Kia unit keeps the Coolant Reservoir from overflowing, prevents harmful spills, and keeps metal particles locked inside. Every Kia driver should watch the molded level marks on the Sedona Coolant Reservoir when the engine is cold to confirm proper fill and keep their Sedona running cool.

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Kia Sedona Coolant Reservoir Parts Questions & Experts Answers

Engine Coolant Reservoir Tank Assembly
254304D600
Q: How to remove and install a coolant reservoir on Kia Sedona?
A:
Under the tank place a pan and rags, thereafter detach the hose from the tank. To keep it from spilling out, plug it reservoir opening. You should be ready to experience some coolant loss. Unfasten it and separate the reservoir from the inner fender panel. When disconnected from the vehicle, clean with soap water and brush to remove any build up inside. Check for damages and replace if necessary. Installation is reversal of removal process. Fill with recommended coolant type and quantity into your reservoir.