How to Replace a Coolant Expansion Tank on Kia Sorento?

To replace the coolant reservoir, use a small clamp to pinch the hose connecting the reservoir to the radiator, place a drain pan under the reservoir, and disconnect the hose. Next, remove the mounting fasteners and lift out the reservoir. Pour any remaining coolant into the container, wash out, and inspect the reservoir for cracks and chafing. Installation is the reverse of removal.

Genuine Kia Sorento Coolant Reservoir

Coolant Tank Reservoir

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11 Coolant Reservoirs found

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Kia Sorento Radiator Coolant Overflow Reservoir Tank
Part Number: 254302W000
$20.58 MSRP: $28.95
You Save: $8.37 (29%)
Ships in 1-2 Business Days
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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:
- 2013-2020 Kia Sorento | 2.0L - R, 2.0L - Theta 2, 2.4L - Theta 2, 3.3L - Lambda 2 | Wagon - 5Door 5P, Wagon - 5Door 7P
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Kia Sorento Reservoir Tank
Part Number: 254312B100
$17.88 MSRP: $25.15
You Save: $7.27 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Reservoir
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2009-2012 Kia Sorento | 2.4L - Theta 2, 3.5L - Lambda 2 | Wagon - 5Door 5P, Wagon - 5Door 7P
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Kia Sorento Tank Assy-Reservoir
Part Number: 254R0P4500
$45.77 MSRP: $64.92
You Save: $19.15 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Expansion Tank, Reservoir, Reservoir Cap
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2021-2023 Kia Sorento | 1.6L-Gamma-II | Wagon - 5Door 6P
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Kia Sorento Tank Assy-Reservoir
Part Number: 25430R5000
$126.76 MSRP: $181.35
You Save: $54.59 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Expansion Tank, Reservoir Tank
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2021-2023 Kia Sorento | 2.5L-THETA-III | Wagon - 5Door 6P, Wagon - 5Door 7P
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Kia Sorento Tank Assy-Reservoir
Part Number: 254R0P4600
$45.77 MSRP: $64.92
You Save: $19.15 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2021-2023 Kia Sorento | 1.6L-Gamma-II | Wagon - 5Door 6P
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Kia Sorento Tank Assy-Reservoir
Part Number: 25430P4001
$46.78 MSRP: $66.35
You Save: $19.57 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Expansion Tank, Reservoir Assembly
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2021-2023 Kia Sorento | 1.6L-Gamma-II | Wagon - 5Door 6P
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Kia Sorento TANK ASSY-RESERVOIR
Part Number: 254R0CH000
$54.67 MSRP: $77.55
You Save: $22.88 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2021-2023 Kia Sorento | 1.6L-Gamma-II | Wagon - 5Door 6P
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Kia Sorento Reservoir Tank Assembly
Part Number: 254303E201
$72.87 MSRP: $99.55
You Save: $26.68 (27%)
Product Specifications
- Other Name: Tank Assembly-Reservoir
- Replaces: 254303E200
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2003-2006 Kia Sorento | High Grade, Middle Grade | 3.5L | 5 Door Wagon
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Kia Sorento Radiator Reservoir Tank Assembly
Part Number: 254303E930
Product Specifications
- Other Name: Tank Assembly-Radiator Reservoir; Reservoir Assembly
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2008 Kia Sorento | High Grade, Middle Grade | 3.3L - Lambda, 3.8L, 3.8L - Lambda | 5 Door Wagon, Wagon - 5Door 5P
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Kia Sorento Radiator Reservoir
Part Number: 254313E201
Product Specifications
- Other Name: Reservoir-Radiator; Reservoir Assembly
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2003-2006 Kia Sorento | High Grade, Middle Grade | 3.5L | 5 Door Wagon
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Kia Sorento Reservoir Tank Assembly
Part Number: 254303E200
$72.87 MSRP: $99.55
You Save: $26.68 (27%)
Product Specifications
- Other Name: Tank Assembly-Reserve
- Replaced by: 254303E201
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2003-2006 Kia Sorento | High Grade, Middle Grade | 3.5L | 5 Door Wagon

Kia Sorento Coolant Reservoir

Kia Sorento vehicles Coolant Reservoir is a major part of the engine cooling system that aims at guaranteeing that there is no coolant spilling and that the system does not contain air. It helps to shield the system from the effect of air which causes the Metal to rust and from any leakage of dangerous antifreeze. There are two main types of Coolant Reservoirs used in Sorento vehicles: Some of the major types of tanks include; the overflow tank systems and the expansion tank systems. The former is at the radiator with the pressure cap, and there is a basic plastic cap at the tank; the latter has the pressure cap situated directly on the tank, and it is made of reinforced plastic due to the pressure variation. It is advised that a frequent examination should be conducted on the walls in order to look for some common signs such as crack; leakage and stains from contaminated coolant.

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Kia Sorento Coolant Reservoir Parts Questions & Experts Answers

Radiator Coolant Overflow Reservoir Tank
254302W000
Q: How to Replace a Coolant Expansion Tank on Kia Sorento?
A: To replace the coolant reservoir, use a small clamp to pinch the hose connecting the reservoir to the Radiator, place a drain pan under the reservoir, and disconnect the hose. Next, remove the mounting fasteners and lift out the reservoir. Pour any remaining coolant into the container, wash out, and inspect the reservoir for cracks and chafing. Installation is the reverse of removal.