2003 Buick Regal Engine Cooling Parts

Essential 2003 Buick Regal Engine Cooling Parts

Mr. Gasket – Water Outlet Gasket (Part No.740C)

Water Outlet Gasket

from

$7.99
Manufactured from a blend of nitrile rubber and fiber for excellent sealing and durability. Precision die cut for application.

Product Features:
  • Made from cellulose/nitrile composition
  • Provides excellent sealing and durability
  • These gaskets are die cut for precision
  • Can be trimmed for port modifications
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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
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Carquest Premium – Radiator Cap: 20 PSI (Part No.10271)

Radiator Cap: 20 PSI

from

$19.79
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
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Carquest Premium – Engine Cooling Fan Module (Part No.ACC1313)

Engine Cooling Fan Module

from

$94.99
All modern vehicles consist of several independent operating systems controlled by a main system processor with independent sub-processors. The sub-processors provide class 2 serial information data to the main processor while handling the operation of the system and carry the circuit load to protect the main operating system. When replacing any level processor programming may be needed to enter the unit into the vehicles main operating system.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Motorad – Thermostat Kit: Includes Outlet and Gasket, 195 Degrees (Part No.4853KT)

Thermostat Kit: Includes Outlet and Gasket, 195 Degrees

from

$20.99
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
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Carquest Premium – Radiator Cap Tester Adapter (Part No.12552)

Radiator Cap Tester Adapter

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$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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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T2395)

Engine Water Pump: New, Gasket/Seals Included

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$135.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.813587)

Radiator: With Transmission Oil Cooler

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$269.99
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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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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Carquest Premium – 2 Pole Radiator Fan Motor (Part No.35694)

2 Pole Radiator Fan Motor

from

$37.49
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Meets or exceeds OE design and performance
  • Magnetic size and properties compare or exceed OEM
  • Windings meet or exceed OEM specifications
  • Motor RPM equivalent to or exceeds OEM motor
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Dorman – Non-Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement (Part No.603-033)

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

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$47.99
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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Dorman – Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (Part No.45813)

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

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.

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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KAI – Rad/Condenser Fan Assembly (Part No.GM3115242)

Rad/Condenser Fan Assembly

from

$211.99
New Platinum Pro Radiator And Condenser Fan Assembly, 2.0 Liter L4 Turbo Engines

Product Features:
  • 2.0 Liter L4 Turbo Engines, Made Of Plastic
  • 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
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Mahle – Water Pipe O-Ring (Part No.G2026372924MAH)

Water Pipe O-Ring

from

$1.82
Water Pipe O-Ring

FELPRO – Water Pump Gasket (Part No.G3040976426FEL)

Water Pump Gasket

from

$6.66
Water Pump Gasket

Factory Air – 14" Reversible Fan Kit (Part No.36897)

14" Reversible Fan Kit

from

$164.99
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 Factory Air.

Product Features:
  • Motors built and tested to quality specifications
  • 14″ universal fit reversible fan
  • Includes mounting and relay kit
  • 1350 CFM
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Carquest Premium – Engine Coolant Temperature Sending Unit Switch Connector (Part No.PTA1314)

Engine Coolant Temperature Sending Unit Switch Connector

from

$10.29
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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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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Permatex – The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge (Part No.34311)

The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge

from

$28.49
Specifically designed to perform under higher torque loads associated with engines having closely spaced bolt patterns (typically import vehicles). This product is blowout resistant, allowing leakproof gaskets to be made and put into service in just one minute. Sensor-safe, The Right Stuff GREY seals instantly, forming a reliable, long lasting elastomeric rubber gasket that outperforms pre-molded gaskets. Specified by major import OEMs, this material is resistant to powertrain fluids (oil, coolant and ATF) and operates in environments to 450°F (232°C) continuous; 500°F (260°C) intermittent.

Product Features:
  • Ideal for rigid cast aluminum parts
  • Meets OEM Specifications
  • Sensor safe & non-corrosive
  • Performs under higher torque loads associated with engines having closely spaced bolt patterns (typical of import vehicles)
  • Blowout resistant, allowing leakproof gaskets to be made in just one minute
  • Seals instantly, forming a reliable, long lasting elastomeric rubber gasket
  • Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants
  • Temperature range -60°C to 260°C (-75°F to 500°F) intermittent
  • Applications: Automotive, industrial and marine gaskets, valve covers, gearbox covers, pumps, compressors, oil pans, thermostat housings, water pumps, etc.
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Dorman – Freeze Plug (Part No.A1030831249DOR)

Freeze Plug

from

$12.36
Dorman’s Engine Expansion Plugs are available in multiple styles, including Cup Type, Pilot Seal, Reverse Taper, Concave, Quick-Seal® Rubber and Quick-Seal ® Copper. Dorman’s uniquely designed Pilot Seal Expansion Plug ensures a leak-proof fit. Dorman also offer Engine Expansion Plug Kits.

Product Features:
  • Many sizes available
  • Conveniently available in packs of different quantities
  • Constructed from high quality steel, copper, brass, or rubber
  • Dorman’s Engine Expansion Plugs are constructed to strict engineering quality standards
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Felpro – Engine Water Pump Gasket (Part No.35046)

Engine Water Pump Gasket

from

$4.29
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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Dorman – Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (Part No.799-105)

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

from

$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.

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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ACDelco – Water Pipe Gasket (Part No.G2048556954ACD)

Water Pipe Gasket

from

$8.49
Water Pipe Gasket

Carquest – Engine Coolant Temperature Switch (Part No.WT403)

Engine Coolant Temperature Switch

from

$23.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
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Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 180 Degree Neck Angle (Part No.902-2053)

Coolant Housing/Water Outlet: With Housing and Gasket, 180 Degree Neck Angle

from

$23.29
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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Dorman – Help – Radiator Drain Cocks (Part No.61136)

Radiator Drain Cocks

from

$4.99
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.

Product Features:
  • Direct replacement – this radiator drain petcock matches the fit and function of the original equipment part
  • Durable construction – this part is made of quality materials for a long service life
  • Saves money – offers original equipment quality at a competitive price
  • Quality assured – this petcock has undergone virtual testing to assure proper fit and function
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Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.85109)

Coolant Housing/Water Outlet: Gasket Included

from

$20.29
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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Dorman – Electrical Harness – 2-Wire Cooling Fan Motor (Part No.85101)

Electrical Harness - 2-Wire Cooling Fan Motor

from

$17.99
This engine cooling fan motor connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine cooling fan motor connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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2003 Buick Regal Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 Buick Regal. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 74 different Engine Cooling Parts in our inventory ranging from $1.82 to $209.99. That means you can find the exact parts or products you need to keep that 2003 Buick Regal running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 22 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Buick Regal. Permatex, Carquest Premium, and Imperial are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Cooling Parts for your 2003 Buick Regal, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 3,050 reviews in this category, some of the top rated parts include Water Pump: New, Installation Gasket Included with 4.5 stars and 2 Pole Radiator Fan Motor with 4.4 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 Buick Regal rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Cooling Parts Brands To Make Your 2003 Buick Regal Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Buick Regal demands trusted brand parts and products to keep it running. Many trusted brands of Engine Cooling Parts make up Advance Auto Parts’ inventory, and all are ready to help make your Regal the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Delphi Engine Cooling Parts

We carry Delphi parts in our stock across Coolant Temperature Sensors categories, plus more. For a 2003 Buick Regal, our most popular Delphi Engine Cooling Parts include:
Engine Coolant Temperature Sensor
from $29.99
(1)
Engine Coolant Temperature Sensor
Coolant Temperature Sensors

Top 2003 Buick Regal Engine Cooling Parts from Carquest Premium

Carquest Premium products are another trusted brand when it comes to Engine Cooling Parts for your 2003 Buick Regal. Popular Carquest Premium parts include:
Radiator Cap: 16 PSI
from $9.79
(260)
Radiator Cap: 16 PSI
Radiator Caps
Engine Water Pump: New
from $52.99
(191)
Engine Water Pump: New
Water Pumps
Radiator Cap: 16 PSI
from $16.79
(91)
Radiator Cap: 16 PSI
Radiator Caps

FAQs for 2003 Buick Regal Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2003 Buick Regal?

Out of 74 Engine Cooling Parts for the 2003 Buick Regal, the most popular in our inventory are:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Water Pump Gaskets
Thermostat: 192 Degrees
from $35.99
This product is not rated
Thermostat: 192 Degrees
Thermostats
THERMOSTAT GASKET
from $4.99
(93)
THERMOSTAT GASKET
Thermostat Seals

What are the top-rated 2003 Buick Regal Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2003 Buick Regal based on customer reviews/ratings are:
Water Pump: New, Installation Gasket Included
from $43.99
(191)
Water Pump: New, Installation Gasket Included
“EASY PEASY”
2 Pole Radiator Fan Motor
from $34.49
(60)
2 Pole Radiator Fan Motor
“GOOD PRICE”
Radiator: With Transmission Oil Cooler
from $186.99
(56)
Radiator: With Transmission Oil Cooler
“The price was right, and satisfaction is fine.”