2003 Pontiac Sunfire Engine Cooling Parts

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Keep Your 2003 Pontiac Sunfire 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 Pontiac Sunfire looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Coolant Reservoirs, Water Pump Gaskets, 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 Dorman, Carquest Premium, and Delphi. For example, Dorman Engine Cooling Parts start at just $8.99 with an average 4.2 star rating. Carquest Premium and Delphi offer similar pricing and quality, backed by strong customer feedback. With over 670 reviews and a solid 4.3 star average, you can shop with confidence knowing other Pontiac Sunfire owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Pontiac Sunfire Engine Cooling Part at Advance Auto Parts is around $50.78, with a range that starts at $0.15 and goes up to $233.99. With 48 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Carquest Radiator Cap: 15 PSI, 10248, Carquest Standard Thermostat: With Seal, 180 Degrees, 14698, and Carquest Coolant Temperature Sensor 1TS1001, WTC1002 start at just $15.99 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 Blend Doors and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 2003 Pontiac Sunfire in peak condition, inside and out.

Looking for the perfect Engine Cooling Part for your 2003 Pontiac Sunfire? 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 Pontiac Sunfire. Whether you’re driving a 2003 model or another popular model year like 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, and 2005, 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 Pontiac Sunfire Engine Cooling Parts

GM Genuine Parts Engine Coolant Temperature Sensor, 213-4333

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$44.99

ACDelco GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle’s original components! The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Carquest Engine Coolant Level Sensor, SBA3711

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$19.99

The engine cooling system is critical to engine sustainability under all operating conditions. The Coolant Level Sensor reports the level of coolant either in the radiator overflow container or in the radiator tank.

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$62.99

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.

Dorman - Help Radiator Drain Cocks, 61133

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$8.99

This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time.

Dorman - HD Solutions Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack, 902-5601

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$20.99

Cracked or lost the original engine coolant reservoir cap, Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

Dorman Radiator Fan Assembly: Single, Cost Effective and Reliable, 620-599

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$198.99

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.

Dorman Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In, 45813

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$1.99

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

Carquest Cooling System Tester Adapter, 12026

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$49.99

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 cooling systems.

Stant Thermostat Gasket (Sold by each), 30730

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$1.29

Stant Thermostat Gasket (Sold by each), 30730.

Dorman Coolant Housing/Water Outlet: with Housing and Gasket, 180 Degree Neck Angle, 902-2008

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$12.99

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.

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$55.99

New Platinum Pro Coolant Recovery Tank

Motorad Coolant Housing/Water Outlet, CH5350

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$33.99

Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested.

Felpro Engine Water Pump Installation Kit, ES 71282

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$22.99

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.

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$43.99

Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Dorman Push-Pull Rivet-Splash Shield/Fascia - 1/4 Hole, 7/8 Stem, 1 Hd, 963-094D

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$5.29

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

Victor Reinz Engine Water Pump Gasket, 71-14185-00

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$19.99

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.

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$233.99

Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach 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.

Victor Reinz Engine Coolant Thermostat Housing Gasket, 71-14610-00

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$17.99

"Imperial Electric Fan, 14"" Diameter, 226114"

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$82.99

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.

Felpro Engine Coolant Thermostat Gasket, 36122

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$4.49

Carquest Standard Thermostat: 180 Degrees, 14028

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$12.99

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.

Imperial Adjustable Thermostatic Fan Control, 226203

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$24.99

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.

Cloyes Gear Engine Water Pump Gear, S911

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$33.99

Sprocket Made From High Alloy Material. Features Precision Tooth Form To Assure Proper Chain Engagement, And Is Balanced For Proper Timing.

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$26.99

Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

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$15.99

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

Popular 2003 Pontiac Sunfire Engine Cooling Parts Categories

Radiators

Water Pumps

Engine Cooling Fan Controllers

Coolant Temperature Sensors

Coolant Reservoir Caps

Water Outlets

Water Pump Install. Kits

Thermostat Housing Gaskets

Coolant Fan Motor Connectors

Engine Water Pump Cover Gaskets

Thermostat Gaskets

Coolant Level Sensors

Cooling System Tester Adapters

Engine Coolant Reservoir Clip

Engine Cooling Fan Shroud Clips

Engine Water Pump Sprockets

Radiator Shutter Engine Coolant Sensor Connector

Most Popular Coolant Reservoirs for 2003 Pontiac Sunfires

Enhance your 2003 Pontiac Sunfire with one of the 3 Coolant Reservoirs we have in stock, starting at just $52.99.

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Dorman Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement, 603-109

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$53.99

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.

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$55.99

New Platinum Pro Coolant Recovery Tank

Autotecnica Expansion Tank w/ Cap & Sensor, GM0715748

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$52.99

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 €œGenuine€ components.

Best-Selling 2003 Pontiac Sunfire Water Pump Gaskets

Upgrade your Sunfire with one of our 2 best-selling Water Pump Gaskets.

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$32.99

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

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$19.99

Top-Quality Water Pumps for 2003 Pontiac Sunfires

Choose a high-quality OEM or aftermarket Water Pump for Pontiac Sunfires and enjoy top-notch performance from $100.99.

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Carquest Engine Water Pump: New, Gasket/Seals Included, T4199

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$100.99

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.

Top Picks for 2003 Pontiac Sunfire Thermostats

Invest in one of our 2 durable Thermostats for your 2003 Pontiac, knowing you’re getting trusted brands and expert craftsmanship.

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Carquest Standard Thermostat: With Seal, 180 Degrees, 14698

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$25.99

Motorad UltraStats Thermostat: With Seal, 180 Degrees, 5461-180

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$44.99

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.

Radiators for 2003 Pontiac Sunfires

Make a smart move for your 2003 Pontiac Sunfire with products all priced from $181.99 to $233.99.

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from

$233.99

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$181.99

New Platinum Pro Radiator, With Passenger Side Connection On Top

Top-Rated Engine Cooling Part Brands For Your 2003 Pontiac Sunfire

When it comes to finding the perfect Engine Cooling Part for your 2003 Pontiac Sunfire, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Engine Cooling Part brands including Carquest Premium, Dorman, and Delphi, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $8.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2003 Pontiac Sunfire, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 2003 Pontiac Sunfire Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2003 Pontiac Sunfire, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Engine Cooling Parts. We have 2 Carquest Premium Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $15.99 and an average cost of $20.99, you’ll find the perfect Engine Cooling Part for your needs and budget. Carquest Premium Engine Cooling Parts for the 2003 Pontiac Sunfire come highly rated, with over 94 customer reviews and an impressive average rating of 4.5 stars. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $25.99

(35)

Carquest Standard Thermostat: With Seal, 180 Degrees, 14698

“Excellent quality. Fit my 2005 Chevy Malibu (2.2L) perfectly. Was the same temperature rating as OEM.”

from $15.99

(59)

Carquest Radiator Cap: 15 PSI, 10248

“Great price”

Top-Quality Dorman 2003 Pontiac Sunfire Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2003 Pontiac Sunfire, Advance Auto Parts offers a great selection of Dorman Engine Cooling Parts. With 3 Dorman 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 $8.99, with an average price of $45.32, giving you a range of options to suit your budget. Backed by over 18 customer ratings and an average rating of 4.2 stars, Dorman Engine Cooling Parts provide both reliability and excellent performance. Choosing a Dorman Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

Dorman - Help Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack, 82597

from $17.99

(6)

Dorman – Help Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack, 82597

“Great cap fit just right”

Dorman Radiator Fan Assembly: Single, Cost Effective and Reliable, 620-600

from $108.99

(3)

Dorman Radiator Fan Assembly: Single, Cost Effective and Reliable, 620-600

“Worked perfect, exactly as pictured, and great price.”

from $8.99

(9)

Dorman – Help Radiator Drain Cocks, 61133

“GM should’ve made the original plug like this one instead of having a plastic tab. This one has a metal tab, and I’m sure it’ll last much longer.”

FAQs for 2003 Pontiac Sunfire Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2003 Pontiac Sunfires?

Out of 48 Engine Cooling Parts that fit 2003 Pontiac Sunfires, the following parts are the top sellers:

Carquest Radiator Cap: 15 PSI, 10248 (17110030) – $15.99
Carquest Standard Thermostat: With Seal, 180 Degrees, 14698 (5650088) – $25.99
Carquest Coolant Temperature Sensor 1TS1001, WTC1002 (12422847) – $24.99

What’s the price range for 2003 Pontiac Sunfire Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2003 Pontiac Sunfire range from $0.15 up to $233.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2003 Pontiac Sunfire?

The average price for Engine Cooling Parts for the 2003 Pontiac Sunfire is $50.78. 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 Pontiac Sunfire model years?

Yes, we carry Engine Cooling Parts for 9 model years of Pontiac Sunfires between 1995 and 2005. The following model years are the most popular for Engine Cooling Part purchases: 2005, 2004, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

What are the cheapest Engine Cooling Parts for my 2003 Pontiac Sunfire?

The cheapest 2003 Pontiac Sunfire Engine Cooling Parts we carry are:

Stant Thermostat Gasket (Sold by each), 30730 (10895310) – $1.29
Dorman Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In, 45813 (9110071) – $1.99
Felpro Engine Coolant Thermostat Housing Seal, 35725 (20688701) – $2.49
Felpro Engine Coolant Thermostat Gasket, 36122 (12005652) – $4.49
Autotecnica Coolant Cap, GM0613020 (50190402) – $5.29

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

Yes. We stock Engine Cooling Parts for 5 other popular 2003 Pontiac models. Some of the most popular are 2003 Grand Prix Engine Cooling Parts, 2003 Bonneville Engine Cooling Parts, 2003 Grand Am Engine Cooling Parts, 2003 Vibe Engine Cooling Parts, and 2003 Montana Engine Cooling Parts.

What types of Engine Cooling Parts do you sell for my 2003 Pontiac Sunfire?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 2003 Pontiac Sunfire:

Can I get help with 2003 Pontiac Sunfire 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 Pontiac Engine Cooling Parts and more.

What is your return policy for Pontiac Sunfire Engine Cooling Parts?

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

2003 Pontiac Sunfire Engine Cooling Parts

GM Genuine Parts – GM Genuine Parts Engine Coolant Temperature Sensor, 213-4333 (Part No.213-4333)

Carquest Premium – Carquest Engine Coolant Level Sensor, SBA3711 (Part No.SBA3711)

Carquest Premium – Carquest Engine Water Pump_New, T2221 (Part No.T2221)

Dorman – Help – Dorman – Help Radiator Drain Cocks, 61133 (Part No.61133)

Dorman – HD Solutions – Dorman – HD Solutions Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack, 902-5601 (Part No.902-5601)

Dorman – Dorman Radiator Fan Assembly: Single, Cost Effective and Reliable, 620-599 (Part No.620-599)

Dorman – Dorman Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In, 45813 (Part No.45813)

Carquest Premium – Carquest Cooling System Tester Adapter, 12026 (Part No.12026)

Stant – Stant Thermostat Gasket (Sold by each), 30730 (Part No.30730)

Dorman – Dorman Coolant Housing/Water Outlet: with Housing and Gasket, 180 Degree Neck Angle, 902-2008 (Part No.902-2008)

KAI – KAI Coolant Reservoir, GM3014125 (Part No.GM3014125)

Motorad – Motorad Coolant Housing/Water Outlet, CH5350 (Part No.CH5350)

Felpro – Felpro Engine Water Pump Installation Kit, ES 71282 (Part No.ES 71282)

Dorman – Dorman Multipurpose Pigtail, 645-589 (Part No.645-589)

Dorman – Dorman Push-Pull Rivet-Splash Shield/Fascia – 1/4 Hole, 7/8 Stem, 1 Hd, 963-094D (Part No.963-094D)

Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-14185-00 (Part No.71-14185-00)

Carquest Premium – Carquest Radiator, 432658 (Part No.432658)

Victor Reinz – Victor Reinz Engine Coolant Thermostat Housing Gasket, 71-14610-00 (Part No.71-14610-00)

Imperial – "Imperial Electric Fan, 14"" Diameter, 226114" (Part No.226114)

Felpro – Felpro Engine Coolant Thermostat Gasket, 36122 (Part No.36122)

Carquest Premium – Carquest Standard Thermostat: 180 Degrees, 14028 (Part No.14028)

Imperial – Imperial Adjustable Thermostatic Fan Control, 226203 (Part No.226203)

Cloyes Gear – Cloyes Gear Engine Water Pump Gear, S911 (Part No.S911)

Carquest Premium – Carquest Multi-Use Connector, PTA1159 (Part No.PTA1159)

Felpro – Felpro Engine Water Pump Gasket, 35724 (Part No.35724)

Dorman – Dorman Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement, 603-109 (Part No.603-109)

KAI – KAI Coolant Reservoir, GM3014125 (Part No.GM3014125)

Autotecnica – Autotecnica Expansion Tank w/ Cap & Sensor, GM0715748 (Part No.GM0715748)

Felpro – Felpro Engine Water Pump Gasket, 35721 (Part No.35721)

Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-14185-00 (Part No.71-14185-00)

Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T4199 (Part No.T4199)

Carquest Premium – Carquest Standard Thermostat: With Seal, 180 Degrees, 14698 (Part No.14698)

Motorad UltraStats – Motorad UltraStats Thermostat: With Seal, 180 Degrees, 5461-180 (Part No.5461-180)

Carquest Premium – Carquest Radiator, 432658 (Part No.432658)

KAI – KAI Radiator, RAD2518 (Part No.RAD2518)