2003 Chevrolet Monte Carlo Engine Cooling Parts

Keep Your 2003 Chevrolet Monte Carlo 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 Chevrolet Monte Carlo looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Thermostat and Water Outlet Assemblies, Radiators, and Water Pumps. 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 FELPRO, ACDelco, and Carquest Premium. For example, FELPRO Engine Cooling Parts start at just $4.99 with an average 4.6 star rating. ACDelco and Carquest Premium offer similar pricing and quality, backed by strong customer feedback. With over 2,139 reviews and a solid 4 star average, you can shop with confidence knowing other Chevrolet Monte Carlo owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Chevrolet Monte Carlo Engine Cooling Part at Advance Auto Parts is around $50.46, with a range that starts at $1.55 and goes up to $211.65. With 73 options in stock from 19 trusted brands, finding the right fit is easy. Popular picks like Standard Thermostat: With Seal, 195 Degrees, Radiator Cap: 16 PSI, and Thermostat: 192 Degrees start at just $7.29 and offer a great balance of form and function.

Explore Related Parts

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

Essential 2003 Chevrolet Monte Carlo Engine Cooling Parts

Dorman – Engine Water Pump Pulley (Part No.300-933)

Engine Water Pump Pulley

from

$46.99
Damaged your engine water pump pulley? This pulley is a direct replacement for the original manufacturer’s part on specific vehicle years, makes and models, restoring proper performance.

Product Features:
  • Direct replacement – this engine water pump pulley matches the fit and function of the original part on specific vehicles.
  • Durable design – built to withstand the elements and road debris.
  • Thoroughly tested – must pass strict standards to ensure reliable longevity
  • Trustworthy quality – backed by team of engineers and inspectors in United States
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Dorman – GM Bumper Retainer (Part No.963-202D)

GM Bumper Retainer

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Carquest Premium – Coolant Temperature Sensor with Thread Sealant (Part No.WTC1028)

Coolant Temperature Sensor with Thread Sealant

from

$30.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
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Mahle – Water Pipe O-Ring (Part No.G2026348781MAH)

Water Pipe O-Ring

from

$2.00
Water Pipe O-Ring

Imperial – Electric Fan – 10" Diameter (Part No.226110)

Electric Fan - 10" Diameter

from

$69.99
Electric fan with 10″ diameter. Imperial electric fans are reversible for push or pull operation and are designed with a thin, aerodynamic profile for applications with limited space.

Product Features:
  • Rapid-Cool® Thin-Line electric fans
  • 10″ Diameter
  • 650 CFM
  • Use as a pusher or puller fan
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Victor Reinz – Engine Coolant Outlet Gasket (Part No.71-13524-00)

Engine Coolant Outlet Gasket

from

$2.79
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.
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Dorman – Non-Pressurized Coolant Reservoir: Clear, Plastic, Original Equipment Replacement (Part No.603-668)

Non-Pressurized Coolant Reservoir: Clear, Plastic, Original Equipment Replacement

from

$36.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Product Features:
  • Direct replacement – this engine coolant reservoir matches the fit and function of the original part.
  • Ideal solution – engineered for a seamless installation.
  • Durable construction – manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
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Motorad – Thermostat Kit-195 Degrees w/ Gasket (Part No.4841KT)

Thermostat Kit-195 Degrees w/ Gasket

from

$29.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. 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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Koyo Cooling – Radiator (Part No.G1000223270KCS)

Radiator

from

$182.46
Plastic Tank / Aluminum Core Radiator Koyo radiators are available in plastic tank and aluminum core. The Nocolok brazing line keeps the highest quality standards, bringing you superior products you can rely on. The Koyo Cooling radiator has been engineered to the highest standards and incorporates application specific mounting locations for all fan shrouds, inlet-outlet hoses and top-bottom mounting pins, ensuring quick and pain-free installs.

Product Features:
  • All Aluminum Core and Plastic Tank
  • OE Style mounting brackets and hose connections
  • Integrated transmission oil cooler when applicable
  • Compact and lightweight
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Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.84841)

Coolant Housing/Water Outlet: Gasket Included

from

$31.99
We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • Direct-fit replacement for ease of installation
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Mahle – Engine Coolant Thermostat Housing Gasket (Part No.G4020210085MAH)

Engine Coolant Thermostat Housing Gasket

from

$8.33
The Mahle Engine Coolant Thermostat Housing Gasket is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Seals the thermostat housing and helps prevent coolant from leaking from the engine for proper engine temperature
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Motorad UltraStats – Thermostat: 192 Degrees (Part No.5239-192)

Thermostat: 192 Degrees

from

$35.99
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

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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Felpro – Engine Water Pump Gasket (Part No.35852)

Engine Water Pump Gasket

from

$15.29
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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Mahle – Water Pump Hsng Gask (Part No.G3031212899MAH)

Water Pump Hsng Gask

from

$2.04
Water Pump Hsng Gask

ACDelco – Engine Coolant Temperature Sensor (Part No.G1852)

Engine Coolant Temperature Sensor

from

$35.99
ACDelco Professional Engine Coolant Temperature Sender is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket sender is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35595)

Engine Coolant Thermostat Housing Gasket

from

$2.99
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 to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – THERMOSTAT GASKET (Part No.35666)

THERMOSTAT GASKET

from

$4.99
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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Edelbrock – Water Pump for Small-Block Chevy Street Rods in Polished Finish (Part No.8892)

Water Pump for Small-Block Chevy Street Rods in Polished Finish

from

$436.99
Maximum cooling for street and racing engines. Internal passages are balanced for maximum flow. Impeller is larger than others for maximum pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of block. Only flows in

Product Features:
  • Maximum Cooling for Street and Racing Engines
  • Internal Passages Are Balanced for Maximum Flow
  • Impeller is Larger than Others For Max Pressure
  • Impeller Vanes Dramatically Increase Flow Rates
  • Equal Distribution to Both Sides of Block
  • Only Flows in One-Direction for Optimum Efficiency
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Dorman – Coolant Housing/Water Outlet: with Housing and Gasket, 45 Degree Neck Angle (Part No.902-2030)

Coolant Housing/Water Outlet: with Housing and Gasket, 45 Degree Neck Angle

from

$17.29
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models.
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking.
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
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Imperial – Thermostatic Fan Control – Adjustable (Part No.226208)

Thermostatic Fan Control - Adjustable

from

$62.99
Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Adjustable thermostatic fan control
  • 160°F – 210°F thread-in probe
  • For use with Imperial electric fans
  • Thread-in probe for installation in water jacket or radiator
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Carquest Premium – Radiator Cap Tester Adapter (Part No.12552)

Radiator Cap Tester Adapter

from

$14.29
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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Dorman – Water Pump Mounting Hardware Kit (Part No.902-806)

Water Pump Mounting Hardware Kit

from

$16.29
This engine water pump stud kit is designed to match the original hardware required to repair the water pump on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine water pump stud kit is designed to match the original hardware required to repair the water pump on specified vehicles.
  • Ideal solution – this kit is a reliable replacement for original hardware that is missing or damaged.
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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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Dorman – Nylon Bumper Fender Retainer (Part No.961-363D)

Nylon Bumper Fender Retainer

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Dorman – Coolant Air Bleeder Screw (Part No.902-112)

Coolant Air Bleeder Screw

from

$16.99
This engine coolant bleeder screw has been manufactured from durable material to prevent cooling system leaks. Matches the original screw for fit and function.

Product Features:
  • Ideal replacement – this engine coolant bleeder screw matches fit and function of the original equipment screw.
  • Durable materials – designed to withstand high cooling system temperatures and pressures.
  • Cost-effective solution – this bleeder screw offers original equipment quality at a competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
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GM Genuine Parts – Lower Thermal Bypass Pipe (Part No.12565082)

Lower Thermal Bypass Pipe

from

$6.29
GM Genuine Parts Thermostat Bypass Pipes are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems — aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Dorman – Radiator Drain Petcocks (Part No.G1060289694DOR)

Radiator Drain Petcocks

from

$8.95
Dorman offers a variety of Radiator Drain Petcocks for a range of applications. The high-quality design ensures effective draining of the cooling system.

Product Features:
  • Available in several styles, including standard, screw-in, and push-in with captive thread
  • Direct replacement Radiator Drain Petcocks available (where applicable) to ensure a proper fit
  • Durably engineered for a long service life
  • Easy to use, no need to disconnect any of the radiator hoses
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Carquest Premium – Engine Coolant Reservoir Cap (Part No.10236)

Engine Coolant Reservoir Cap

from

$9.49
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.

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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ACDelco – Professional Radiator Caps (Part No.G1010203283ACD)

Professional Radiator Caps

from

$23.13
An ACDelco Professional, premium aftermarket Standard Type Radiator Cap is the ideal high quality replacement for your GM vehicle. It seals and pressurizes your vehicle’s cooling system as the radiator transfers heat from the engine’s coolant to the outside air. This premium aftermarket replacement standard type radiator cap is manufactured to meet or exceed your expectations for fit, form, and function. ACDelco Professional, premium aftermarket Thermostats and Caps offer you an ideal replacement for your worn GM Original Equipment part. Engineered to work with your car, truck, or SUV, ACDelco has a thermostat or cap for virtually any GM vehicle on the road today. ACDelco Professional, premium aftermarket Thermostats and Caps give you our legendary quality at a competitive price.

Product Features:
  • Fit most models of GM vehicles on the road today for more coverage
  • Seal and pressurize your vehicle’s cooling system as the radiator transfers heat from the engine’s coolant to the outside air
  • Professional, premium aftermarket replacement radiator cap
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Most Popular Thermostat and Water Outlet Assemblies for 2003 Chevrolet Monte Carlos

Enhance your 2003 Chevrolet Monte Carlo with one of the 2 Thermostat and Water Outlet Assemblies we have in stock, starting at just $24.99.

Motorad – Thermostat Kit-195 Degrees w/ Seal (Part No.5166KT)

Thermostat Kit-195 Degrees w/ Seal

from

$25.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. 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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Motorad – Thermostat Kit: Includes Housing, Thermostat, Gasket and Seal, 192 Degrees (Part No.5167KT)

Thermostat Kit: Includes Housing, Thermostat, Gasket and Seal, 192 Degrees

from

$24.99
Kit includes thermostat, housing, and all necessary seals/gaskets to do the complete job. These individual parts are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat and housing 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

Best-Selling 2003 Chevrolet Monte Carlo Radiators

Upgrade your Monte Carlo with one of our 4 best-selling Radiators, earning an average 4.75 stars rating across 57 reviews.

Koyo Cooling – Radiator (Part No.G1000223270KCS)

Radiator

from

$182.46
Plastic Tank / Aluminum Core Radiator Koyo radiators are available in plastic tank and aluminum core. The Nocolok brazing line keeps the highest quality standards, bringing you superior products you can rely on. The Koyo Cooling radiator has been engineered to the highest standards and incorporates application specific mounting locations for all fan shrouds, inlet-outlet hoses and top-bottom mounting pins, ensuring quick and pain-free installs.

Product Features:
  • All Aluminum Core and Plastic Tank
  • OE Style mounting brackets and hose connections
  • Integrated transmission oil cooler when applicable
  • Compact and lightweight
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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432297)

Radiator: With Transmission Oil Cooler

from

$189.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle¿s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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KAI – Radiator (Part No.RAD2343)

Radiator

from

$129.99
New Platinum Pro Radiator, 3.1/3.4/3.8 Liter Engines, Without Supercharger

Product Features:
  • 3.1/3.4/3.8 Liter Engines, Without Supercharger, 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
  • Radiator Cap Not Included
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Autopart International Inc – Radiator (Part No.G10002009551API)

Radiator

from

$163.76
Radiator

Top-Quality Water Pumps for 2003 Chevrolet Monte Carlos

Choose a high-quality OEM or aftermarket Water Pump for Chevrolet Monte Carlos and enjoy top-notch performance from $40.99.

ACDelco – Water Pump Kit (Part No.252-721)

Water Pump Kit

from

$52.99
An ACDelco Professional, premium aftermarket Engine Water Pump circulates coolant through your vehicle’s radiator and engine system to help maintain proper engine temperature and performance. The gaskets, seals, and O-rings packaged with this Professional, premium aftermarket water pump help guarantee that all necessary parts are available for trouble-free installation. ACDelco Professional Water Pumps are a high quality replacement for many vehicles on the road today. This premium aftermarket replacement engine water pump is manufactured to meet your expectations for fit, form, and function.

Product Features:
  • All Makes water pumps fit GM vehicles as well as a wide range of non-GM vehicles
  • Thoroughly tested for reliable, leak-free performance
  • Coated seals support seal longevity and durability
  • Heat-treated shaft assemblies provide superior strength and durability over non-treated assemblies
  • High-quality bearings are permanently sealed and lubricated for greater durability and long life
  • Come with premium, high-quality replacement components needed for trouble-free and accurate installation
  • Uniform wall sections and smooth coolant-flow cavities for efficient operation
  • Cast-iron or aluminum design, depending on vehicle application
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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T1172)

Engine Water Pump: New, Gasket/Seals Included

from

$42.99
Carquest Premium drive motor inverter cooler water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, impeller, controller, gaskets, and seals are designed for long-lasting service life. These electric water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium auxiliary water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:
  • Built to meet or exceed OE fit, form and function
  • All components necessary for installation are supplied with pump
  • 100% tested for reliable performance
  • Follow all enclosed instructions to maximize pump life and validate warranty
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Carquest Premium – Engine Water Pump: New (Part No.T2269)

Engine Water Pump: New

from

$50.99
Carquest Premium drive motor inverter cooler water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, impeller, controller, gaskets, and seals are designed for long-lasting service life. These electric water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium auxiliary water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:
  • Built to meet or exceed OE fit, form and function
  • All components necessary for installation are supplied with pump
  • 100% tested for reliable performance
  • Follow all enclosed instructions to maximize pump life and validate warranty
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Driveworks Water Pumps – Water Pump: New, Installation Gasket Included (Part No.58-531)

Water Pump: New, Installation Gasket Included

from

$40.99
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
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
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ACDelco – Professional Water Pumps (Part No.G3000576841ACD)

Professional Water Pumps

from

$86.54
ACDelco Professional Water Pumps are the best way to make sure you have the proper heat protection for the engine in your car, truck or SUV. Built to meet the latest manufacturer-specified designs, ACDelco Water pumps, in both cast-iron and aluminum, are thoroughly pressure-tested to prevent leaks, and feature uniform wall sections and smooth coolant-flow cavities for efficient operation and superior engine protection. High-quality bearings, heat-treated impellers and coated seals mean long life and trouble-free ownership.

Product Features:
  • Original equipment design and quality
  • 100% new with no remanufactured parts
  • High quality cast housing
  • Advanced bearing design for high axial and radial stresses
  • Advanced sealing technology
  • Optimum cooling performance and longevity
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ACDelco – Water Pump Kit (Part No.252-693)

Water Pump Kit

from

$67.99
An ACDelco Professional, premium aftermarket Engine Water Pump circulates coolant through your vehicle’s radiator and engine system to help maintain proper engine temperature and performance. The gaskets, seals, and O-rings packaged with this Professional, premium aftermarket water pump help guarantee that all necessary parts are available for trouble-free installation. ACDelco Professional Water Pumps are a high quality replacement for many vehicles on the road today. This premium aftermarket replacement engine water pump is manufactured to meet your expectations for fit, form, and function.

Product Features:
  • All Makes water pumps fit GM vehicles as well as a wide range of non-GM vehicles
  • Thoroughly tested for reliable, leak-free performance
  • Coated seals support seal longevity and durability
  • Heat-treated shaft assemblies provide superior strength and durability over non-treated assemblies
  • High-quality bearings are permanently sealed and lubricated for greater durability and long life
  • Come with premium, high-quality replacement components needed for trouble-free and accurate installation
  • Uniform wall sections and smooth coolant-flow cavities for efficient operation
  • Cast-iron or aluminum design, depending on vehicle application
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GMB – GMB Water Pump (Part No.G3000394683GMB)

GMB Water Pump

from

$65.58
The GMB Water Pump contains no remanufactured components and is designed to combat engine overheating associated with higher RPM, performance and high load applications. All GMB Water Pumps feature a precision ground, heavy duty steel bearing that`s completely sealed and lubricated for life. A specially modified, high performance impeller eliminates cavitation at high RPM`s, maintaining maximum volumetric flow of coolant, thus reducing engine temperature and increasing horsepower.

Product Features:
  • OE-Equivalent and direct fit application.
  • 100% new with no remanufactured parts.
  • High flow design
  • Factory lubricated bearing assembly
  • Precision ground shaft and hub
  • OE quality forged housing for maximum coolant flow
  • Precision built and balanced
  • Pressed on impeller for increased water flow
  • Unique no sealed required gasket
  • Unitized seal protects bearings and provides long life leak free performance.
  • Factory sealed precision ground one piece bearing assembly
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Geba – Water Pump (Part No.G3000394683GEB)

Water Pump

from

$96.59
Water Pump

ACDelco – Professional Water Pump: For Exceptional Engine Heat Protection (Part No.G3000576847ACD)

Professional Water Pump: For Exceptional Engine Heat Protection

from

$70.04
ACDelco Professional Water Pumps are the best way to make sure you have the proper heat protection for the engine in your car, truck or SUV. Built to meet the latest manufacturer-specified designs, ACDelco Water pumps, in both cast-iron and aluminum, are thoroughly pressure-tested to prevent leaks, and feature uniform wall sections and smooth coolant-flow cavities for efficient operation and superior engine protection. High-quality bearings, heat-treated impellers and coated seals mean long life and trouble-free ownership.

Product Features:
  • Original equipment design and quality
  • 100% new with no remanufactured parts
  • High quality cast housing
  • Advanced bearing design for high axial and radial stresses
  • Advanced sealing technology
  • Optimum cooling performance and longevity
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Top Picks for 2003 Chevrolet Monte Carlo Radiator Caps

Invest in one of our 3 durable Radiator Caps for your 2003 Ford, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Radiator Cap: 16 PSI (Part No.10231)

Radiator Cap: 16 PSI

from

$9.79
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
See More

Carquest Premium – Radiator Cap: 16 PSI (Part No.10331)

Radiator Cap: 16 PSI

from

$16.79
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
See More

Autopart International Inc – Radiator Cap (Part No.G10101921048API)

Radiator Cap

from

$15.24
Radiator Cap

Top-Rated Thermostats for 2003 Chevrolet Monte Carlos

Make a smart move for your 2003 Chevrolet Monte Carlo with products all priced from $7.29 to $40.10.

Motorad – Standard Thermostat: 192 Degrees (Part No.239-192)

Standard Thermostat: 192 Degrees

from

$15.99
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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ACDelco – GM Original Equipment Engine Coolant Thermostat (Part No.G4000210070ACD)

GM Original Equipment Engine Coolant Thermostat

from

$40.10
An ACDelco GM Original Equipment Engine Coolant Thermostat is a temperature controlled valve located in the engine coolant outlet to, or the inlet from, the radiator, and is a GM-recommended replacement for your vehicle’s original component. It controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature. This original equipment engine coolant thermostat has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Control the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Carquest Premium – Standard Thermostat: With Seal, 195 Degrees (Part No.13899)

Standard Thermostat: With Seal, 195 Degrees

from

$7.29
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

Carquest Premium – Standard Thermostat: 195 Degrees (Part No.13849)

Standard Thermostat: 195 Degrees

from

$9.99
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

Carquest Premium – Standard Thermostat:180 Degrees (Part No.13848)

Standard Thermostat:180 Degrees

from

$9.99
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

Motorad UltraStats – Thermostat: 192 Degrees (Part No.5239-192)

Thermostat: 192 Degrees

from

$35.99
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

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
See More

Motorad UltraStats – Thermostat: With Seal, 195 Degrees (Part No.5267-195)

Thermostat: With Seal, 195 Degrees

from

$16.79
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

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
See More

Worldpac – THERMOSTAT (Part No.G40004237084MAH)

THERMOSTAT

from

$36.96
THERMOSTAT

Autopart International Inc – Thermostat (Part No.G40001923334API)

Thermostat

from

$17.23
Thermostat

Carquest Premium – Standard Thermostat: With Seal, 180 Degrees (Part No.267-180)

Standard Thermostat: With Seal, 180 Degrees

from

$8.79
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

Top-Rated Engine Cooling Part Brands For Your 2003 Chevrolet Monte Carlo

When it comes to finding the perfect Engine Cooling Part for your 2003 Chevrolet Monte Carlo, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 19 trusted brands. We carry the most popular Engine Cooling Part brands including ACDelco, FELPRO, and Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $4.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2003 Chevrolet Monte Carlo, providing peace of mind with parts that meet or exceed OEM standards.

Popular ACDelco 2003 Chevrolet Monte Carlo Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2003 Chevrolet Monte Carlo, Advance Auto Parts has exactly what you need with our selection of ACDelco Engine Cooling Parts. We have 3 ACDelco Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $40.10 and an average cost of $59.88, you’ll find the perfect Engine Cooling Part for your needs and budget. ACDelco Engine Cooling Parts for the 2003 Chevrolet Monte Carlo come highly rated, with over 4 customer reviews and an impressive average rating of 4.7 stars. Choosing a ACDelco Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Professional Water Pumps
from $86.54
(2)
Professional Water Pumps
“Great OEM water pump.”
GM Original Equipment Engine Coolant Thermostat
from $40.1
(1)
GM Original Equipment Engine Coolant Thermostat
“Installed in 2001 Buick”
Water Pump Kit
from $52.99
(1)
Water Pump Kit
“Exact match of the original factory water pump. Includes gasket. Must use sealer on gasket and line up gasket holes with water pump holes before insta”

Top-Quality FELPRO 2003 Chevrolet Monte Carlo Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2003 Chevrolet Monte Carlo, Advance Auto Parts offers a great selection of FELPRO Engine Cooling Parts. With 3 FELPRO 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 $4.99, with an average price of $10.99, giving you a range of options to suit your budget. Backed by over 95 customer ratings and an average rating of 4.6 stars, FELPRO Engine Cooling Parts provide both reliability and excellent performance. Choosing a FELPRO Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
THERMOSTAT GASKET
from $4.99
(93)
THERMOSTAT GASKET
“Easy to install”
Engine Water Pump Gasket
from $21.49
(1)
Engine Water Pump Gasket
“Perfect fit, had no issues putting on.”
Engine Coolant Thermostat Housing Gasket
from $6.49
(1)
Engine Coolant Thermostat Housing Gasket
“Just the right fit”

FAQs for 2003 Chevrolet Monte Carlo Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2003 Chevrolet Monte Carlos?

Out of 73 Engine Cooling Parts that fit 2003 Chevrolet Monte Carlos, the following parts are the top sellers:

What’s the price range for 2003 Chevrolet Monte Carlo Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2003 Chevrolet Monte Carlo range from $1.55 up to $211.65 for the most premium parts.

What is the average price of an Engine Cooling Parts Engine Cooling Part for a 2003 Chevrolet Monte Carlo?

The average price for Engine Cooling Parts for the 2003 Chevrolet Monte Carlo is $50.46. 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 Chevrolet Monte Carlo model years?

Yes, we carry Engine Cooling Parts for 30 model years of Chevrolet Monte Carlos between 1970 and 2007. The following model years are the most popular for Engine Cooling Part purchases: 2007, 2006, 2005, 2004, 2002, 2001, 2000, 1999, and 1998.

What are the cheapest Engine Cooling Parts for my 2003 Chevrolet Monte Carlo?

The cheapest 2003 Chevrolet Monte Carlo Engine Cooling Parts we carry are:

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

Yes. We stock Engine Cooling Parts for 32 other popular 2003 Chevrolet models. Some of the most popular are 2003 Tahoe Engine Cooling Parts, 2003 Impala Engine Cooling Parts, 2003 Silverado 1500 Engine Cooling Parts, 2003 Malibu Engine Cooling Parts, and 2003 Suburban 1500 Engine Cooling Parts.

What types of Engine Cooling Parts do you sell for my 2003 Chevrolet Monte Carlo?

As of 4/10/25, these are some of the most in-demand types of Engine Cooling Parts for a 2003 Chevrolet Monte Carlo:

Can I get help with 2003 Chevrolet Monte Carlo 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 Chevrolet Engine Cooling Parts and more.

What is your return policy for Chevrolet Monte Carlo Engine Cooling Parts?

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