2003 Kia Sorento Engine Cooling Parts

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Keep Your 2003 Kia Sorento in Top Shape with Quality Engine Cooling Parts

Whether you’re repairing or upgrading your Engine Cooling Part, using high-quality parts is key to keeping your 2003 Kia Sorento looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Water Pumps, Coolant Reservoirs, and Thermostat and Water Outlet Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Cooling Parts from Trusted Brands

Looking for a reliable Engine Cooling Part? We’ve got you covered with options from brands you know and trust like Carquest Premium, Imperial, and Felpro. For example, Carquest Premium Engine Cooling Parts start at just $14.99 with an average 4.4 star rating. Imperial and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 974 reviews and a solid 4 star average, you can shop with confidence knowing other Kia Sorento owners approve.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling Part, don’t forget to check out other key components like Air Conditioning Parts and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 2003 Kia Sorento in peak condition, inside and out.

Find Your Specific 2003 Kia Sorento Engine Cooling Parts

Looking for the perfect Engine Cooling Part for your 2003 Kia Sorento? You’re in the right place. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Cooling Parts, ensuring durability and a precise fit for your Kia Sorento. Whether you’re driving a 2003 model or another popular model year like 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, and 2020, we’ve got you covered. Purchasing Engine Cooling Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle.

Essential 2003 Kia Sorento Engine Cooling Parts

Carquest Premium – Radiator Cap Tester Adapter (Part No.12021)

Radiator Cap Tester Adapter

from

$18.99
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
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Felpro – Multi-Purpose O-Ring (Part No.35555)

Multi-Purpose O-Ring

from

$10.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific, providing unsurpassed quality for a seal you can trust
  • Validated for fit, form, and function
  • Engineered for the sealing repair environment
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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(13 reviews)
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Carquest Premium – Standard Thermostat: With Seal, 180 Degrees (Part No.1070-180)

Standard Thermostat: With Seal, 180 Degrees

from

$53.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Carquest Premium – Standard Thermostat: With Seal, 180 Degrees (Part No.1256-180)

Standard Thermostat: With Seal, 180 Degrees

from

$106.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Carquest Premium – Radiator Cap: 16 PSI (Part No.10333)

Radiator Cap: 16 PSI

from

$21.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Safety lever to vent coolant pressure before removal
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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(41 reviews)
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Carquest Premium – Radiator Cap: 16 PSI (Part No.10233)

Radiator Cap: 16 PSI

from

$14.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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(193 reviews)
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AISIN – Engine Water Pump Assembly (Part No.WPK-807)

Engine Water Pump Assembly

from

$86.99
OE Engineered and Manufactured Water Pumps; From the Largest OE Water Pump Manufacturer in the World

Product Features:
  • Aluminum Die-Cast for Weight Reduction and Added Strength
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Carquest Premium – Engine Water Pump: New (Part No.T1285)

Engine Water Pump: New

from

$239.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
  • Additional Notes: Includes gasket
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Dorman – Radiator Fan Assembly: Single, Cost Effective and Reliable (Part No.621-493)

Radiator Fan Assembly: Single, Cost Effective and Reliable

from

$218.99
This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

Product Features:
  • Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles
  • Complete package – assembly is designed with the same materials and components as the original part
  • Quality assured – motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
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Imperial – Electric Fan, 14" Diameter (Part No.226114)

Electric Fan, 14" Diameter

from

$99.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Motors built and tested to quality specifications
  • 14 in. universal fit reversible fan
  • 1250 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
  • Motors built and tested to quality specifications
  • 14 in. universal fit reversible fan
  • 1250 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
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(14 reviews)
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NTK – Engine Coolant Temperature Sensor (Part No.EF0112)

Engine Coolant Temperature Sensor

from

$43.49
The Engine Coolant Temperature Sensor determines the exact temperature of the engine coolant by sending an analog signal to the ECM to ensure proper air/fuel ratio along with proper operation of the cooling fans and temperature gauge. The Engine Coolant Temperature Sensor may be located on the cylinder head, engine block, thermostat housing or intake manifold. Reasons for replacement include, check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clips included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
  • THE DIFFERENCE: Thread sealant/o-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
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Delphi – Engine Coolant Temperature Sensor (Part No.TS10326)

Engine Coolant Temperature Sensor

from

$27.49
Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.

Product Features:
  • Delphi temperature sensors deliver accurate readings and optimal performance
  • Delphi’s 1 piece design and automated production process eliminates internal connectors and failure points
  • Each sensor is electrically insulated to eliminate interference from other components in the vehicle
  • Delphi temperature sensors are impervious to electrical noise and interference
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KAI – Radiator (Part No.RAD3004)

Radiator

from

$129.99
New Platinum Pro Radiator, 2.4 Liter L4 Engine

Product Features:
  • 2.4 Liter L4 Engine, Made Of Plastic and Aluminum
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Warranty: 5 Year, Limited
  • Radiator Cap Not Included
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Carquest Premium – Radiator (Part No.812962)

Radiator

from

$311.99
Carquest Premium Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Carquest Premium Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.

Product Features:
  • Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
  • Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
  • Our fin edges are folded for increased stability and heat disbursement properties.
  • Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
  • Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
  • We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
  • We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
See More

(2 reviews)
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Felpro – THERMOSTAT GASKET (Part No.35764)

THERMOSTAT GASKET

from

$1.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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(7 reviews)
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Victor Reinz – Engine Coolant Thermostat Housing Gasket (Part No.71-13590-00)

Engine Coolant Thermostat Housing Gasket

from

$4.99
Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Application specific design provides an exceptional fit.
  • Validated for fit, form, and function.
  • Meets or exceeds original equipment specifications.
See More
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Felpro – Engine Coolant Outlet Gasket (Part No.35959)

Engine Coolant Outlet Gasket

from

$5.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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(3 reviews)
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Victor Reinz – Engine Coolant Outlet Gasket (Part No.71-11609-00)

Engine Coolant Outlet Gasket

from

$5.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More
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Felpro – Engine Coolant Outlet Gasket (Part No.35868)

Engine Coolant Outlet Gasket

from

$8.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
See More
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Dorman – Help – Radiator Cap (Part No.54237)

Radiator Cap

from

$22.99
This radiator cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this radiator cap is designed to match the fit and function of the original cap on specified vehicles
  • Restores functionality – reliable replacement for an original cap that is missing, leaking or failed due to gasket fatigue and heat
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Autotecnica – Expansion Tank w/Cap & Hose (Part No.KI0716167)

Expansion Tank w/Cap & Hose

from

$53.99
Autotecnica offers high-quality aftermarket parts for a wide variety of Asian and North American passenger cars and trucks, include braking, cooling, driveline, electrical, engine, fuel, HVAC, steering, and suspension categories. Autotecnica is the smart choice. Whether you’re a DIY enthusiast or professional technician in need of replacement parts that meet OEM specifications, Autotecnica is an excellent alternative to expensive ¿Genuine¿ components.

Product Features:
  • No Longer Available from Kia
  • Guaranteed fitment
  • Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
  • Quality materials resist engine heat and harsh cooling system environment
  • Factory pressure-tested
See More
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Encore Automotive – Engine Coolant Reservoir (Part No.CT-K10001)

Engine Coolant Reservoir

from

$111.99
Encore Automotive Coolant Reservoir is designed with proprietary chemical formulation to hold the excess or overflowing cooling agent which is used in your car.

Product Features:
  • Graduated based on automakers recommendation to run safely
  • Hose Included
  • Cap Included
See More
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Imperial – Adjustable Thermostatic Fan Control (Part No.226204)

Adjustable Thermostatic Fan Control

from

$70.99
Adjustable Thermostatic Fan Control. 160-210°F; push-in probe. Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Adjustable thermostatic fan control
  • 160-210°F push-in probe
  • For use with Imperial electric fans
  • Probe installs into radiator fins
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(33 reviews)
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Imperial – Thermostatic Fan Control – Preset (Part No.226206)

Thermostatic Fan Control - Preset

from

$46.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Preset thermostatic fan control
  • 185 Deg. F preset
  • For use with Imperial electric fans
  • Probe installs into radiator fins
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Brass construction for accurate temperature sensing
  • Zinc coated terminal to resist corrosion
  • Vehicle specific applications
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(8 reviews)
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Imperial – Thermostatic Fan Control – Adjustable (Part No.226208)

Thermostatic Fan Control - Adjustable

from

$69.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Adjustable thermostatic fan control
  • 160 Deg. F – 210 Deg. F thread-in probe
  • For use with Imperial electric fans
  • Thread-in probe for installation in water jacket or radiator
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Brass construction for accurate temperature sensing
  • Zinc coated terminal to resist corrosion
  • Vehicle specific applications
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(2 reviews)
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Carquest Premium – Engine Cooling Fan Module (Part No.ACC1313)

Engine Cooling Fan Module

from

$99.99
All modern vehicles consist of several independent operating systems controlled by a main system processor with independent sub-processors. The sub-processors provide class 2 serial information data to the main processor while handling the operation of the system and carry the circuit load to protect the main operating system. When replacing any level processor programming may be needed to enter the unit into the vehicles main operating system.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Imperial – Adjustable Thermostatic Fan Control (Part No.226203)

Adjustable Thermostatic Fan Control

from

$23.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Economy adjustable thermostatic fan control
  • Economy Model; 32-248 Deg. F
  • For use with Imperial electric fans
  • Probe installs into radiator fins
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Brass construction for accurate temperature sensing
  • Zinc coated terminal to resist corrosion
  • Vehicle specific applications
See More

(35 reviews)
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Most Popular Water Pumps for 2003 Kia Sorentos

Enhance your 2003 Kia Sorento with one of the 2 Water Pumps we have in stock, starting at just $159.99.
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Driveworks Water Pumps – Water Pump: New, Installation Gasket Included (Part No.57-1630)

Water Pump: New, Installation Gasket Included

from

$159.99
Driveworks Water Pumps offer a complete replacement part solution, with application coverage that spans from antique to present-day vehicles. All units are 100% tested and engineered to meet or exceed OEM performance, providing you a quality product you and your vehicle can rely on. All units are manufacturered with brand new components and are packaged with all gaskets required for replacement.

Product Features:
  • 100% Factory tested for leakage and dimensional precision
  • Manufactured to original casting specifications to ensure a proper fit and proper water flow for efficient cooling
  • Bearings made of heat-treated carbon or carburized steel are sealed and lubricated to ensure smooth performance throughout units life
  • Assembled with new, high-quality unitized shaft seals to prevent premature leakage
  • Supplied with gasket and other seals/gaskets as applicable per application to help complete the job
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AISIN – Engine Water Pump Assembly (Part No.WPK-816)

Engine Water Pump Assembly

from

$177.99
OE Engineered and Manufactured Water Pumps; From the Largest OE Water Pump Manufacturer in the World

Product Features:
  • Aluminum Die-Cast for Weight Reduction and Added Strength
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Best-Selling 2003 Kia Sorento Coolant Reservoirs

Upgrade your Sorento with one of our 2 best-selling Coolant Reservoirs.
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Encore Automotive – Engine Coolant Reservoir (Part No.CT-K10001)

Engine Coolant Reservoir

from

$111.99
Encore Automotive Coolant Reservoir is designed with proprietary chemical formulation to hold the excess or overflowing cooling agent which is used in your car.

Product Features:
  • Graduated based on automakers recommendation to run safely
  • Hose Included
  • Cap Included
See More
View Product

Autotecnica – Expansion Tank w/Cap & Hose (Part No.KI0716167)

Expansion Tank w/Cap & Hose

from

$53.99
Autotecnica offers high-quality aftermarket parts for a wide variety of Asian and North American passenger cars and trucks, include braking, cooling, driveline, electrical, engine, fuel, HVAC, steering, and suspension categories. Autotecnica is the smart choice. Whether you’re a DIY enthusiast or professional technician in need of replacement parts that meet OEM specifications, Autotecnica is an excellent alternative to expensive ¿Genuine¿ components.

Product Features:
  • No Longer Available from Kia
  • Guaranteed fitment
  • Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
  • Quality materials resist engine heat and harsh cooling system environment
  • Factory pressure-tested
See More
View Product

Top-Quality Thermostat and Water Outlet Gaskets for 2003 Kia Sorentos

Choose a high-quality OEM or aftermarket Thermostat and Water Outlet Gasket for Kia Sorentos and enjoy top-notch performance from $2.99.
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Felpro – Engine Coolant Outlet Gasket (Part No.35959)

Engine Coolant Outlet Gasket

from

$5.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
See More

(3 reviews)
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Victor Reinz – Engine Coolant Outlet Gasket (Part No.71-13594-00)

Engine Coolant Outlet Gasket

from

$5.99
Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications
See More
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Victor Reinz – Engine Coolant Thermostat Gasket (Part No.71-15170-00)

Engine Coolant Thermostat Gasket

from

$2.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More
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Our Top Pick for a 2003 Kia Sorento Radiator

Invest in a durable Radiator for your 2003 Kia, knowing you’re getting trusted brands and expert craftsmanship.
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Carquest Premium – Radiator (Part No.433904)

Radiator

from

$348.99
Carquest Premium Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Carquest Premium Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.

Product Features:
  • Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
  • Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
  • Our fin edges are folded for increased stability and heat disbursement properties.
  • Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
  • Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
  • We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
  • We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
See More

(7 reviews)
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Top-Rated Thermostats for 2003 Kia Sorentos

Make a smart move for your 2003 Kia Sorento with products all priced from $17.99 to $27.99.
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Motorad UltraStats – Thermostat: 180 Degrees (Part No.5302-180)

Thermostat: 180 Degrees

from

$27.99
UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resitance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components.

Product Features:
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
  • AccuSpring Design for stable temperature control and increased cabin comfort
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(1 reviews)
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Carquest Premium – Standard Thermostat: 180 Degrees (Part No.14128)

Standard Thermostat: 180 Degrees

from

$17.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

(29 reviews)
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Carquest Premium – Standard Thermostat: 170 Degrees (Part No.14337)

Standard Thermostat: 170 Degrees

from

$20.79
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

(40 reviews)
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Motorad UltraStats – Thermostat: 170 Degrees (Part No.5302-170)

Thermostat: 170 Degrees

from

$25.99
UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resitance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components.

Product Features:
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
  • AccuSpring Design for stable temperature control and increased cabin comfort
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(3 reviews)
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Carquest Premium - Standard Thermostat: 150 Degrees (Part No.302-150)

Standard Thermostat: 150 Degrees

from

$20.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Top-Rated Engine Cooling Part Brands For Your 2003 Kia Sorento

When it comes to finding the perfect Engine Cooling Part for your 2003 Kia Sorento, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 13 trusted brands. We carry the most popular Engine Cooling Part brands including Felpro, Carquest Premium, and Imperial, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $5.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2003 Kia Sorento, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 2003 Kia Sorento Engine Cooling Parts

If you're looking for a top-quality Engine Cooling Part for your 2003 Kia Sorento, Advance Auto Parts has exactly what you need with our selection of Felpro Engine Cooling Parts. We have 2 Felpro Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $5.99 and an average cost of $8.24, you’ll find the perfect Engine Cooling Part for your needs and budget. Felpro Engine Cooling Parts for the 2003 Kia Sorento come highly rated, with over 16 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Multi-Purpose O-Ring
from $10.49
(13)
Multi-Purpose O-Ring
"Good fit"
Engine Coolant Outlet Gasket
from $5.99
(3)
Engine Coolant Outlet Gasket
"good"

Top-Quality Carquest Premium 2003 Kia Sorento Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2003 Kia Sorento, Advance Auto Parts offers a great selection of Carquest Premium Engine Cooling Parts. With 3 Carquest Premium Engine Cooling Parts in stock, you can trust you're getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Cooling Parts start at just $14.99, with an average price of $127.32, giving you a range of options to suit your budget. Backed by over 229 customer ratings and an average rating of 4.4 stars, Carquest Premium Engine Cooling Parts provide both reliability and excellent performance. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle's performance and longevity.
Radiator Cap: 16 PSI
from $14.99
(193)
Radiator Cap: 16 PSI
"fits better than OEM"
Standard Thermostat: 180 Degrees
from $17.99
(29)
Standard Thermostat: 180 Degrees
"Does what it is supposed to."
Radiator
from $348.99
(7)
Radiator
"Fits awesome my Kia Sorento 2003 - installed it absolutely fluent as it looked identical to the old one I removed b/c it leaked after many years of us"

FAQs for 2003 Kia Sorento Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2003 Kia Sorentos?

Out of 31 Engine Cooling Parts that fit 2003 Kia Sorentos, the following parts are the top sellers:

What’s the price range for 2003 Kia Sorento Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2003 Kia Sorento range from $1.99 up to $348.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2003 Kia Sorento?

The average price for Engine Cooling Parts for the 2003 Kia Sorento is $58.61. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Cooling Parts for other Kia Sorento model years?

Yes, we carry Engine Cooling Parts for 20 model years of Kia Sorentos between 2004 and 2025. The following model years are the most popular for Engine Cooling Part purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Engine Cooling Parts for my 2003 Kia Sorento?

The cheapest 2003 Kia Sorento Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 2003 Kia models?

Yes. We stock Engine Cooling Parts for 3 other popular 2003 Kia models. Some of the most popular are 2003 Rio Engine Cooling Parts, 2003 Optima Engine Cooling Parts, 2003 Sedona Engine Cooling Parts, and 2003 Spectra Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 2003 Kia Sorento?

The one 2003 Kia Sorento Engine Cooling Part we have in stock is the THERMOSTAT GASKET. It is rated 3.5 stars and costs $1.99.

What types of Engine Cooling Parts do you sell for my 2003 Kia Sorento?

As of 3/1/26, these are some of the most in-demand types of Engine Cooling Parts for a 2003 Kia Sorento:

Can I get help with 2003 Kia Sorento Engine Cooling Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Kia Engine Cooling Parts and more.

What is your return policy for Kia Sorento Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Kia Sorento Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

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