2003 Chevrolet Express 2500 Engine Cooling Parts

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2003 Chevrolet Express 2500 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 Express 2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Water Pumps, Thermostats, and Water Pump 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 Felpro, Dorman, and Carquest Premium. For example, Felpro Engine Cooling Parts start at just $3.99 with an average 4.6 star rating. Dorman and Carquest Premium offer similar pricing and quality, backed by strong customer feedback. With over 17,230 reviews and a solid 4.3 star average, you can shop with confidence knowing other Chevrolet Express 2500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Chevrolet Express 2500 Engine Cooling Part at Advance Auto Parts is around $72.32, with a range that starts at $0.15 and goes up to $627.99. With 95 options in stock from 20 trusted brands, finding the right fit is easy. Popular picks like Carquest Standard Thermostat: With Seal, 187 Degrees, 14948, Driveworks Water Pumps Engine Water Pump, 58-562, and Felpro Engine Water Pump Gasket, 5152 start at just $4.99 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 Blower Motor and Related Products and HVAC Electrical Parts. At Advance Auto Parts, we’re here to help you keep your 2003 Chevrolet Express 2500 in peak condition, inside and out.

Essential 2003 Chevrolet Express 2500 Engine Cooling Parts

Motorad UltraStats – Motorad UltraStats UltraStat Thermostat: With Seal, 195 Degrees, 5265-195 (Part No.5265-195)

Motorad UltraStats UltraStat Thermostat: With Seal, 195 Degrees, 5265-195

from

$20.99
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.
See More

Felpro – Felpro Engine Water Pump Gasket, 35756 (Part No.35756)

Felpro Engine Water Pump Gasket, 35756

from

$3.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More

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

Imperial Adjustable Thermostatic Fan Control, 226203

from

$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.
See More

Felpro – Felpro Engine Water Pump Installation Kit, ES 71347 (Part No.ES 71347)

Felpro Engine Water Pump Installation Kit, ES 71347

from

$33.99
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.
See More

Carquest Premium – Carquest Universal Fan Clutch, 216103 (Part No.216103)

Carquest Universal Fan Clutch, 216103

from

$562.99
Carquest Universal Fan Clutch, 216103.
See More

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

Dorman Multipurpose Pigtail, 645-589

from

$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.
See More

Dorman – Dorman Clutch Fan Shroud, 620-994 (Part No.620-994)

Dorman Clutch Fan Shroud, 620-994

from

$184.99
This engine cooling fan shroud, also known as an engine cooling fan cowl, is designed to match the fit of an original equipment cowl on specified vehicles. It is engineered to replace a cowl that is missing or damaged from impact, vibration, or heat.
See More

Carquest Premium – Carquest Coolant Housing/Water Outlet: With Gasket, CH5169 (Part No.CH5169)

Carquest Coolant Housing/Water Outlet: With Gasket, CH5169

from

$14.99
Carquest Premium Coolant Housings are manufactured with OEM quality materials and safety standards by an OE Supplier. This 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. The construction of this housing is improved over the OE design to fix and update any issues that the OE design may have had.
See More

Dorman – Dorman Non-Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement, 603-078 (Part No.603-078)

Dorman Non-Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement, 603-078

from

$72.99
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.
See More

Victor Reinz – Victor Reinz Engine Water Pump Installation Kit, 18-10020-01 (Part No.18-10020-01)

Victor Reinz Engine Water Pump Installation Kit, 18-10020-01

from

$11.99
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.
See More

Motorad – Motorad Engine Coolant Thermostat Housing Assembly Thermostat: With Seal, 190 Degrees, 5945KT (Part No.5945KT)

Motorad Engine Coolant Thermostat Housing Assembly Thermostat: With Seal, 190 Degrees, 5945KT

from

$61.99
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.
See More

Carquest Premium – Carquest Coolant Housing/Water Outlet: Gasket Included, 84992 (Part No.84992)

Carquest Coolant Housing/Water Outlet: Gasket Included, 84992

from

$20.79
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.
See More

Dorman – Dorman Thermostat Assembly: Includes Housing, Thermostat, and O-Ring, 180 Degrees, 902-2700 (Part No.902-2700)

Dorman Thermostat Assembly: Includes Housing, Thermostat, and O-Ring, 180 Degrees, 902-2700

from

$41.99
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.
See More

US MOTOR WORKS – US MOTOR WORKS Water Pump with Fan Clutch, MCK1041 (Part No.MCK1041)

US MOTOR WORKS Water Pump with Fan Clutch, MCK1041

from

$118.99
US Motor Works Professional Series Water Pump with Fan Clutch are designed to replace the mechanical components of a cooling system. A proper water pump replacement should include a new fan clutch as the two are connected to the same shaft and work together to move the air and cooling fluid. Replacing one without the other can damage the new part and cause repeat work or engine trouble. This matched set will allow your vehicle continued operation in the demanding environment of today’s engine. All components are brand new and QA inspected for perfect fit and function. Restore your cooling power by installing a US Motor Works Professional Series Water Pump with Fan Clutch.
See More

Dorman – Dorman Nylon Shield Retainer, 963-230 (Part No.963-230)

Dorman Nylon Shield Retainer, 963-230

from

$2.79
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring Length service life.
See More

Carquest Premium – Carquest Water Pump Kit, T3131-RF (Part No.T3131-RF)

Carquest Water Pump Kit, T3131-RF

from

$103.99
Carquest Premium Water Pump Kits are engineered to save time, featuring installed gaskets and zinc-coated Axi-Rad bolts that are pre-mounted for faster, easier installation. Every pump is factory tested to ensure superior quality, meeting or exceeding original equipment standards. With application-specific designs, Carquest Premium Water Pump Kits provide an accurate fit and reliable performance, delivering quality you can count on.
See More

Bosch – Bosch Coolant Temperature Sensor, 0281002170 (Part No.0281002170)

Bosch Coolant Temperature Sensor, 0281002170

from

$18.99
Bosch OE quality temperature sensors for accurate measurements with high durability, fast response time and wide measuring range.
See More

Holley – Holley LS Steam Tube Kit with Speed-Flex, 26-551 (Part No.26-551)

Holley LS Steam Tube Kit with Speed-Flex, 26-551

from

$199.99
Steam Vent Adapters & kits. They are designed to eliminate trapped air and steam from your engine to prevent hot spots or overheating. The complete kits are available to plumb your LS engine and include the appropriate hose and hose ends to make installation a breeze. These kits are more attractive than the OE (Original Equipment) rigid hard lines and provide flexibility when using aftermarket intakes and other accessories on performance vehicles.
See More

Felpro – Felpro Engine Coolant Thermostat Housing Seal, 36106 (Part No.36106)

Felpro Engine Coolant Thermostat Housing Seal, 36106

from

$6.79
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.
See More

Carquest Premium – Carquest Fuel Cap Tester Adapter, 12422 (Part No.12422)

Carquest Fuel Cap Tester Adapter, 12422

from

$39.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
See More

Carquest Premium – Carquest Radiator: With Transmission Oil Cooler, 434029 (Part No.434029)

Carquest Radiator: With Transmission Oil Cooler, 434029

from

$301.99
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.
See More

Felpro – Felpro Engine Coolant Thermostat Gasket, 35632 (Part No.35632)

Felpro Engine Coolant Thermostat Gasket, 35632

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.
See More

Dorman – Dorman Clutch Fan Blade: Steel, Cost Effective and Reliable, 621-108 (Part No.621-108)

Dorman Clutch Fan Blade: Steel, Cost Effective and Reliable, 621-108

from

$62.99
Replace your damaged cooling fan blade with this direct replacement. This vehicle-specific application is engineered for a perfect fit and is made from quality materials to ensure durability and restore proper cooling system operation.
See More

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

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

from

$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.
See More

Dorman – Dorman Water Pump Mounting Hardware Kit, 902-804 (Part No.902-804)

Dorman Water Pump Mounting Hardware Kit, 902-804

from

$15.99
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.
See More

Dorman – Help – Dorman – Help Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack, 54217 (Part No.54217)

Dorman - Help Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack, 54217

from

$25.99
Cracked or lost the original engine coolant reservoir cap- Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
See More

KAI – KAI Radiator Support, GM1225217 (Part No.GM1225217)

KAI Radiator Support, GM1225217

from

$627.99
New Standard Replacement Radiator Support Assembly, With Sealed Beam Headlights
See More

Dorman – Dorman Clutch Fan Blade: Plastic, Cost Effective and Reliable, 621-514 (Part No.621-514)

Dorman Clutch Fan Blade: Plastic, Cost Effective and Reliable, 621-514

from

$109.99
Replace your damaged cooling fan blade with this direct replacement. This vehicle-specific application is engineered for a perfect fit and is made from quality materials to ensure durability and restore proper cooling system operation.
See More

Most Popular Water Pumps for 2003 Chevrolet Express 2500s

Enhance your 2003 Chevrolet Express 2500 with one of the 10 Water Pumps we have in stock, starting at just $63.99.

Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T7052 (Part No.T7052)

Carquest Engine Water Pump: New, Gasket/Seals Included, T7052

from

$150.99
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.
See More

Driveworks Water Pumps – Driveworks Water Pumps Engine Water Pump, 58-562 (Part No.58-562)

Driveworks Water Pumps Engine Water Pump, 58-562

from

$103.99
This replacement engine water pump is leak and flow tested. Gaskets and seals are included where applicable.
See More

Carquest Premium – Carquest Engine Water Pump_New, T3131 (Part No.T3131)

Carquest Engine Water Pump_New, T3131

from

$84.99
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.
See More

Driveworks Water Pumps – Driveworks Water Pumps New Water Pump, 58-521 (Part No.58-521)

Driveworks Water Pumps New Water Pump, 58-521

from

$63.99
This replacement engine water pump is leak and flow tested. Gaskets and seals are included where applicable.
See More

ACDelco – ACDelco Water Pump Kit, 252-845 (Part No.252-845)

ACDelco Water Pump Kit, 252-845

from

$211.99
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.
See More

ACDelco – ACDelco Water Pump Kit, 252-711 (Part No.252-711)

ACDelco Water Pump Kit, 252-711

from

$154.99
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.
See More

Carquest Premium – Carquest Engine Water Pump with Thermostat and Housing, T7181 (Part No.T7181)

Carquest Engine Water Pump with Thermostat and Housing, T7181

from

$188.99
Manufactured to meet or exceed OEM specifications.
See More

AISIN – AISIN Engine Water Pump Assembly, WPGM-612V (Part No.WPGM-612V)

AISIN Engine Water Pump Assembly, WPGM-612V

from

$183.99
OE Engineered and Manufactured Water Pumps
See More

Carquest Premium – Carquest Water Pump Kit, T7052-RF (Part No.T7052-RF)

Carquest Water Pump Kit, T7052-RF

from

$179.99
Carquest Premium Water Pump Kits are engineered to save time, featuring installed gaskets and zinc-coated Axi-Rad bolts that are pre-mounted for faster, easier installation. Every pump is factory tested to ensure superior quality, meeting or exceeding original equipment standards. With application-specific designs, Carquest Premium Water Pump Kits provide an accurate fit and reliable performance, delivering quality you can count on.
See More

Carquest Premium – Carquest Water Pump Kit, T3131-RF (Part No.T3131-RF)

Carquest Water Pump Kit, T3131-RF

from

$103.99
Carquest Premium Water Pump Kits are engineered to save time, featuring installed gaskets and zinc-coated Axi-Rad bolts that are pre-mounted for faster, easier installation. Every pump is factory tested to ensure superior quality, meeting or exceeding original equipment standards. With application-specific designs, Carquest Premium Water Pump Kits provide an accurate fit and reliable performance, delivering quality you can count on.
See More

Best-Selling 2003 Chevrolet Express 2500 Thermostats

Upgrade your Express 2500 with one of our 16 best-selling Thermostats, earning an average 4.5 stars rating across 601 reviews.

Carquest Premium – Carquest Standard Thermostat: With Seal, 187 Degrees, 14948 (Part No.14948)

Carquest Standard Thermostat: With Seal, 187 Degrees, 14948

from

$18.99
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.
See More

Carquest Premium – Carquest Standard Thermostat: With Seal, 195 Degrees, 14119 (Part No.14119)

Carquest Standard Thermostat: With Seal, 195 Degrees, 14119

from

$11.99
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.
See More

Carquest Premium – Carquest Integrated Thermostat Housing: With Seal, 187 Degrees, 14298 (Part No.14298)

Carquest Integrated Thermostat Housing: With Seal, 187 Degrees, 14298

from

$22.99
Carquest Premium Integrated Housing Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat 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 as well as the design and function of the housing. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Motorad UltraStats – Motorad UltraStats UltraStat Thermostat: With Seal, 195 Degrees, 5265-195 (Part No.5265-195)

Motorad UltraStats UltraStat Thermostat: With Seal, 195 Degrees, 5265-195

from

$20.99
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.
See More

Motorad UltraStats – Motorad UltraStats Thermostat: With Seal, 187 Degrees, 5456-187 (Part No.5456-187)

Motorad UltraStats Thermostat: With Seal, 187 Degrees, 5456-187

from

$28.99
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.
See More

Motorad – Motorad Engine Coolant Thermostat Housing Assembly Thermostat: With Gasket, With Seal, 195 Degrees, 5170KT (Part No.5170KT)

Motorad Engine Coolant Thermostat Housing Assembly Thermostat: With Gasket, With Seal, 195 Degrees, 5170KT

from

$36.99
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.
See More

Mr. Gasket – Mr. Gasket Thermostat – 180 Degree, 6368 (Part No.6368)

Mr. Gasket Thermostat - 180 Degree, 6368

from

$39.19
Designed to open at 180 degrees every time, regardless of engine rpm, and it’s high-flow design and brass and copper construction eliminate the damaging effects of cycling when you’re stuck in stop-and-go traffic. It includes the rubber gasket and has a pressure relief valve.
See More

Mr. Gasket – Mr. Gasket Thermostat – 160 Degree, 6367 (Part No.6367)

Mr. Gasket Thermostat - 160 Degree, 6367

from

$39.19
Designed to open at 160 degrees every time, regardless of engine rpm, and it’s high-flow design and brass and copper construction eliminate the damaging effects of cycling when you’re stuck in stop-and-go traffic. It includes the rubber gasket and has a pressure relief valve.
See More

Motorad – Motorad Standard Thermostat: With Seal, 187 Degrees, 524-190 (Part No.524-190)

Motorad Standard Thermostat: With Seal, 187 Degrees, 524-190

from

$17.49
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.
See More

Carquest Premium – Carquest Standard Thermostat: With Seal, 180 Degrees, 456-180 (Part No.456-180)

Carquest Standard Thermostat: With Seal, 180 Degrees, 456-180

from

$48.99
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.
See More

Carquest Premium – Carquest Integrated Thermostat Housing: With Seal, 180 Degrees, 379-180 (Part No.379-180)

Carquest Integrated Thermostat Housing: With Seal, 180 Degrees, 379-180

from

$36.99
Carquest Premium Integrated Housing Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat 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 as well as the design and function of the housing. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Carquest Premium – Carquest Standard HD Thermostat: With Seal, 160 Degrees, 265-160 (Part No.265-160)

Carquest Standard HD Thermostat: With Seal, 160 Degrees, 265-160

from

$17.99
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.
See More

Carquest Premium – Carquest Integrated Thermostat Housing: With Seal, 160 Degrees, 379-160 (Part No.379-160)

Carquest Integrated Thermostat Housing: With Seal, 160 Degrees, 379-160

from

$17.99
Carquest Premium Integrated Housing Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat 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 as well as the design and function of the housing. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Carquest Premium – Carquest Standard Thermostat: With Seal, 160 Degrees, 456-160 (Part No.456-160)

Carquest Standard Thermostat: With Seal, 160 Degrees, 456-160

from

$7.99
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.
See More

Carquest Premium – Carquest Standard Thermostat: With Seal, 180 Degrees, 265-180 (Part No.265-180)

Carquest Standard Thermostat: With Seal, 180 Degrees, 265-180

from

$5.99
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.
See More

Carquest Premium – Carquest Standard Thermostat: With Seal, 170 Degrees, 265-170 (Part No.265-170)

Carquest Standard Thermostat: With Seal, 170 Degrees, 265-170

from

$5.99
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.
See More

Top-Quality Water Pump Gaskets for 2003 Chevrolet Express 2500s

Choose a high-quality OEM or aftermarket Water Pump Gasket for Chevrolet Express 2500s and enjoy top-notch performance from $1.99.

Felpro – Felpro Engine Water Pump Gasket, 5152 (Part No.5152)

Felpro Engine Water Pump Gasket, 5152

from

$4.99
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.
See More

Felpro – Felpro Engine Water Pump Gasket, 35635 (Part No.35635)

Felpro Engine Water Pump Gasket, 35635

from

$7.99
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.
See More

Felpro – Felpro Engine Water Pump Gasket Kit, ES 73030 (Part No.ES 73030)

Felpro Engine Water Pump Gasket Kit, ES 73030

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.
See More

Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-14657-00 (Part No.71-14657-00)

Victor Reinz Engine Water Pump Gasket, 71-14657-00

from

$1.99
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.
See More

Top Picks for 2003 Chevrolet Express 2500 Radiators

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

Carquest Premium – Carquest Radiator: With Engine And Transmission Oil Coolers, 433830 (Part No.433830)

Carquest Radiator: With Engine And Transmission Oil Coolers, 433830

from

$371.99
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.
See More

Carquest Premium – Carquest Radiator: With Transmission Oil Cooler, 438065 (Part No.438065)

Carquest Radiator: With Transmission Oil Cooler, 438065

from

$243.99
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.
See More

KAI – KAI Radiator, RAD2712 (Part No.RAD2712)

KAI Radiator, RAD2712

from

$269.99
New Platinum Pro Radiator, 5.3 Liter V8 Engine, With Clamp On Style Hose Connections
See More

Our Top-Rated Coolant Reservoirs for 2003 Chevrolet Express 2500s

Make a smart move for your 2003 Chevrolet Express 2500 with our Coolant Reservoir for $72.99.

Dorman – Dorman Non-Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement, 603-078 (Part No.603-078)

Dorman Non-Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement, 603-078

from

$72.99
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.
See More

Top-Rated Engine Cooling Part Brands For Your 2003 Chevrolet Express 2500

When it comes to finding the perfect Engine Cooling Part for your 2003 Chevrolet Express 2500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 20 trusted brands. We carry the most popular Engine Cooling Part brands including Felpro, Carquest Premium, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $3.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2003 Chevrolet Express 2500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 2003 Chevrolet Express 2500 Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2003 Chevrolet Express 2500, Advance Auto Parts has exactly what you need with our selection of Felpro Engine Cooling Parts. We have 3 Felpro Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $3.99 and an average cost of $5.92, you’ll find the perfect Engine Cooling Part for your needs and budget. Felpro Engine Cooling Parts for the 2003 Chevrolet Express 2500 come highly rated, with over 33 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.
Felpro Engine Water Pump Gasket, 13032
from $3.99
(6)
Felpro Engine Water Pump Gasket, 13032
“Easy to order and friendly staff! A+++”
Felpro Engine Water Pump Gasket Kit, ES 73010
from $8.99
(9)
Felpro Engine Water Pump Gasket Kit, ES 73010
“OEM Quality, no rtv needed to make these work which makes it so much faster if you need to replace the water pump again in the future.”
Felpro Multi-Purpose O-Ring, 35710
from $4.79
(18)
Felpro Multi-Purpose O-Ring, 35710
“Perfect fit, installed nicely.”

Top-Quality Carquest Premium 2003 Chevrolet Express 2500 Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2003 Chevrolet Express 2500, 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 $11.99, with an average price of $60.66, giving you a range of options to suit your budget. Backed by over 799 customer ratings and an average rating of 4.5 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.
Carquest Engine Water Pump: New, Gasket/Seals Included, T7052
from $150.99
(371)
Carquest Engine Water Pump: New, Gasket/Seals Included, T7052
“Direct fit and no problems”
Carquest Standard Thermostat: With Seal, 187 Degrees, 14948
from $18.99
(189)
Carquest Standard Thermostat: With Seal, 187 Degrees, 14948
“had to return, base too large to fit into my new water pump”
Carquest Standard Thermostat: With Seal, 195 Degrees, 14119
from $11.99
(239)
Carquest Standard Thermostat: With Seal, 195 Degrees, 14119
“Works good! No issues.”

FAQs for 2003 Chevrolet Express 2500 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2003 Chevrolet Express 2500s?

Out of 95 Engine Cooling Parts that fit 2003 Chevrolet Express 2500s, the following parts are the top sellers:

What’s the price range for 2003 Chevrolet Express 2500 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2003 Chevrolet Express 2500 range from $0.15 up to $627.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2003 Chevrolet Express 2500?

The average price for Engine Cooling Parts for the 2003 Chevrolet Express 2500 is $72.32. 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 Express 2500 model years?

Yes, we carry Engine Cooling Parts for 29 model years of Chevrolet Express 2500s between 1996 and 2026. The following model years are the most popular for Engine Cooling Part purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Engine Cooling Parts for my 2003 Chevrolet Express 2500?

The cheapest 2003 Chevrolet Express 2500 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 are the top-rated Engine Cooling Parts that fit the 2003 Chevrolet Express 2500?

The one 2003 Chevrolet Express 2500 Engine Cooling Part we have in stock is the Stant Thermostat Gasket (Sold by each), 30995. It costs $1.29.

What types of Engine Cooling Parts do you sell for my 2003 Chevrolet Express 2500?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 2003 Chevrolet Express 2500:

Can I get help with 2003 Chevrolet Express 2500 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 Express 2500 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Chevrolet Express 2500 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.