2005 Buick Century Engine Cooling Parts

Keep Your 2005 Buick Century 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 2005 Buick Century looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Radiators, Thermostats, 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 Carquest Premium, Dorman, and FELPRO. For example, Carquest Premium Engine Cooling Parts start at just $7.49 with an average 4.4 star rating. Dorman and FELPRO offer similar pricing and quality, backed by strong customer feedback. With over 3,105 reviews and a solid 4 star average, you can shop with confidence knowing other Buick Century owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2005 Buick Century Engine Cooling Part at Advance Auto Parts is around $49.35, with a range that starts at $1.99 and goes up to $252.99. With 34 options in stock from 10 trusted brands, finding the right fit is easy. Popular picks like Radiator Cap: 16 PSI, Multi-Purpose O-Ring, and Coolant Temp Sensor Switch start at just $6.29 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 2005 Buick Century in peak condition, inside and out.

Essential 2005 Buick Century Engine Cooling Parts

Felpro – Engine Coolant Thermostat Housing Seal (Part No.35342)

Engine Coolant Thermostat Housing Seal

from

$1.79
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.

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
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Carquest Premium – Standard Thermostat: 195 Degrees (Part No.13479)

Standard Thermostat: 195 Degrees

from

$10.49
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 – Radiator Cap: 16 PSI (Part No.10230)

Radiator Cap: 16 PSI

from

$10.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Motorad – Engine Coolant Thermostat Housing Assembly Thermostat: With Gasket, 195 Degrees (Part No.4841KT)

Engine Coolant Thermostat Housing Assembly Thermostat: With Gasket, 195 Degrees

from

$31.99
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

Imperial – Electric Fan, 16" Diameter (Part No.226116)

Electric Fan, 16" Diameter

from

$92.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Rapid-Cool Thin-Line electric fans
  • 16″ diameter
  • 1,400 CFM
  • Use as a pusher or puller fan
  • Motors built and tested to quality specifications
  • 16 in. universal fit reversible fan
  • 1400 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
See More

Imperial – Electric Fan, 16" (Part No.226216)

Electric Fan, 16"

from

$115.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Thin-line electric fan
  • 16″ diameter
  • 1,400 CFM
  • Use as a pusher or puller fan
  • Motors built and tested to quality specifications
  • 16 in. universal fit reversible fan
  • 1500 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
See More

Dorman – Help – Drain Cock-Brass-1/4 In. NPT (Part No.61106)

Drain Cock-Brass-1/4 In. NPT

from

$6.49
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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Factory Air – Coolant Temp Sensor Switch (Part No.36403)

Coolant Temp Sensor Switch

from

$24.05
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Brass construction for accurate temperature sensing
  • Color coded for easy identification
  • Zinc coated terminal to resist corrosion
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Dorman – Water Pump Mounting Hardware Kit (Part No.902-806)

Water Pump Mounting Hardware Kit

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.

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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Edelbrock – Water Pump Small-Block Victor Pro (Part No.8819)

Water Pump Small-Block Victor Pro

from

$371.99
For circle track and endurance racing engines. Black anodized finish with 0.10 inch thicker rear cover. Impeller is larger than others for max pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of block with in 1 p

Product Features:
  • For Circle Track And Endurance Racing Engines
  • Black Anodized Finish w/0.10-in Thicker Rear Cover
  • Impeller is Larger than Others For Max Pressure
  • Impeller Vanes Dramatically Increase Flow Rates
  • Equal Distribution To Both Sides Of Block With 1pc
  • Only Flows in One-Direction for Optimum Efficiency
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Dorman – Coolant Air Bleeder Screw (Part No.902-112)

Coolant Air Bleeder Screw

from

$18.99
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
See More

Felpro – Distributor Mounting Gasket (Part No.70799)

Distributor Mounting Gasket

from

$1.99
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
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.84899)

Coolant Housing/Water Outlet: Gasket Included

from

$15.79
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.

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
  • 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
See More

Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.84994)

Coolant Housing/Water Outlet: Gasket Included

from

$19.29
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
  • 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
See More

Edelbrock – Engine Water Pump Gasket Set for Chevy Small-Block (Part No.7251)

Engine Water Pump Gasket Set for Chevy Small-Block

from

$15.99
Edelbrock #7251 Engine Water Pump Gasket Set Chevy Small Block. Is it time to rebuild your Edelbrock mechanical water pump? No problem– these Edelbrock water pump gaskets will keep your water pump leak-free. They are manufactured from quality materials a

Product Features:
  • Composite Material
  • 2-Pump To Block
  • 1-Back Plate-To-Water Pump
  • O-Ring
  • For SB Chevy
See More

Felpro – Engine Water Pump Gasket (Part No.36025)

Engine Water Pump Gasket

from

$3.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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

Imperial – Thermostatic Fan Control – Preset (Part No.226206)

Thermostatic Fan Control - Preset

from

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

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

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

Adjustable Thermostatic Fan Control

from

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

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

Mr. Gasket – Chrome Plated Steel Water Pump Pulley (Part No.4975)

Chrome Plated Steel Water Pump Pulley

from

$95.99
Mr. Gasket small block Chevy water pump pulley. Designed for 2 V belts. Chrome plated steel. Stock replacement for long style Chevy water pump. Not designed for under or over driving water pump.

Product Features:
  • 2 Groove Water Pump Pulley
  • Small Block Chevy Long Style Water Pump
  • Chrome Plated Steel
  • Not Designed For Under Or Over Driving Water Pump
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Mr. Gasket – Chrome Plated Pulley Set (Part No.4963)

Chrome Plated Pulley Set

from

$243.99
New chromed steel pulleys are a replacement for originals and are designed as matched sets to assure correct alignment of the drive belts. They are highly polished then chrome plated. Crankshaft Pulley = 7.30 inch diameter Water Pump Pulley = 6.30 inch diameter

Product Features:
  • Chrome plated steel
  • Designed as matched assemblies
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Carquest Premium – Multi-Use Connector (Part No.PTA1314)

Multi-Use Connector

from

$15.99
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.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1179)

Multi-Use Connector

from

$5.99
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.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

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

Radiator Cap Tester Adapter

from

$14.99
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
See More

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.433738)

Radiator: With Transmission Oil Cooler

from

$192.99
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 engineeredáwith integrated ribbingáfor addedástrength 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
See More

KAI – Radiator (Part No.RAD738)

Radiator

from

$157.99
New Platinum Pro Radiator, 2 Row Core, Automatic And Manuaal Transmission

Product Features:
  • 2 Row Core, Automatic And Manuaal Transmission, 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
See More

Carquest Premium – Reservoir Cap (Part No.T167)

Reservoir Cap

from

$43.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Carquest Premium – Radiator Cap: 16 PSI (Part No.10330)

Radiator Cap: 16 PSI

from

$13.49
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

Dorman – Help – Engine Coolant Reservoir Cap: Flip Top, Plastic, 1 Pack (Part No.82724)

Engine Coolant Reservoir Cap: Flip Top, Plastic, 1 Pack

from

$15.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

Product Features:
  • Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
  • Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
  • Seamless fit – reverse-engineered from the original equipment to fit perfectly
  • Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
See More

Most Popular Radiators for 2005 Buick Centuries

Enhance your 2005 Buick Century with one of the 2 Radiators we have in stock, starting at just $129.99.

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432297)

Radiator: With Transmission Oil Cooler

from

$192.99
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)
See More

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
See More

Best-Selling 2005 Buick Century Thermostats

Upgrade your Century with one of our 3 best-selling Thermostats, earning an average 4.5 stars rating across 105 reviews.

Carquest Premium – Standard Thermostat: With Seal, 195 Degrees (Part No.13899)

Standard Thermostat: With Seal, 195 Degrees

from

$7.49
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 – UltraStat Thermostat: With Seal, 195 Degrees (Part No.5267-195)

UltraStat Thermostat: With Seal, 195 Degrees

from

$17.99
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:
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • 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

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

Engine Coolant HD Thermostat: With Seal, 180 Degrees

from

$12.49
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.

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-Quality Water Pumps for 2005 Buick Centuries

Choose a high-quality OEM or aftermarket Water Pump for Buick Centuries and enjoy top-notch performance from $42.99.

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

Water Pump Kit

from

$81.99
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
See More

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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Our Top Pick for a 2005 Buick Century Thermostat and Water Outlet Assembly

Invest in a durable Thermostat and Water Outlet Assembly for your 2005 Buick, knowing you’re getting trusted brands and expert craftsmanship.

Motorad – Engine Coolant Thermostat Housing Assembly Thermostat: With Seal, 195 Degrees (Part No.5166KT)

Engine Coolant Thermostat Housing Assembly Thermostat: With Seal, 195 Degrees

from

$21.99
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

Coolant Reservoir Caps for 2005 Buick Centuries

Make a smart move for your 2005 Buick Century with products all priced from $15.99 to $43.99.

Dorman – Help – Engine Coolant Reservoir Cap: Flip Top, Plastic, 1 Pack (Part No.82724)

Engine Coolant Reservoir Cap: Flip Top, Plastic, 1 Pack

from

$15.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

Product Features:
  • Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
  • Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
  • Seamless fit – reverse-engineered from the original equipment to fit perfectly
  • Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
See More

Carquest Premium – Reservoir Cap (Part No.T167)

Reservoir Cap

from

$43.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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Top-Rated Engine Cooling Part Brands For Your 2005 Buick Century

When it comes to finding the perfect Engine Cooling Part for your 2005 Buick Century, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 10 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 $5.49. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2005 Buick Century, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 2005 Buick Century Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2005 Buick Century, Advance Auto Parts has exactly what you need with our selection of FELPRO Engine Cooling Parts. We have 2 FELPRO Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $5.49 and an average cost of $5.89, you’ll find the perfect Engine Cooling Part for your needs and budget. FELPRO Engine Cooling Parts for the 2005 Buick Century come highly rated, with over 87 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.
Engine Water Pump Gasket
from $5.49
(38)
Engine Water Pump Gasket
“Great”
Multi-Purpose O-Ring
from $6.29
(49)
Multi-Purpose O-Ring
“Worked like it should”

Top-Quality Carquest Premium 2005 Buick Century Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2005 Buick Century, 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 $7.49, with an average price of $14.16, giving you a range of options to suit your budget. Backed by over 366 customer ratings and an average rating of 4.4 stars, Carquest Premium Engine Cooling Parts provide both reliability and excellent performance. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Coolant Housing/Water Outlet
from $23.99
(1)
Coolant Housing/Water Outlet
“Good service product was needed”
Radiator Cap: 16 PSI
from $10.99
(260)
Radiator Cap: 16 PSI
“great”
Standard Thermostat: With Seal, 195 Degrees
from $7.49
(105)
Standard Thermostat: With Seal, 195 Degrees
“Great value”

FAQs for 2005 Buick Century Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2005 Buick Centuries?

Out of 34 Engine Cooling Parts that fit 2005 Buick Centuries, the following parts are the top sellers:

What’s the price range for 2005 Buick Century Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2005 Buick Century range from $1.99 up to $252.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2005 Buick Century?

The average price for Engine Cooling Parts for the 2005 Buick Century is $49.35. 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 Buick Century model years?

Yes, we carry Engine Cooling Parts for 36 model years of Buick Centuries between 1954 and 2004. The following model years are the most popular for Engine Cooling Part purchases: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

What are the cheapest Engine Cooling Parts for my 2005 Buick Century?

The cheapest 2005 Buick Century Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 2005 Buick models?

Yes. We stock Engine Cooling Parts for 5 other popular 2005 Buick models. Some of the most popular are 2005 LeSabre Engine Cooling Parts, 2005 LaCrosse Engine Cooling Parts, 2005 Park Avenue Engine Cooling Parts, 2005 Rainier Engine Cooling Parts, and 2005 Rendezvous Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 2005 Buick Century?

Based on 3,105 reviews by customers, our 2005 Buick Century Engine Cooling Parts have an average customer rating of 4 stars. These are the highest-rated categories of Engine Cooling Parts for the 2005 Buick Century and their top-rated products:

What types of Engine Cooling Parts do you sell for my 2005 Buick Century?

As of 11/2/25, these are some of the most in-demand types of Engine Cooling Parts for a 2005 Buick Century:

Can I get help with 2005 Buick Century 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 Buick Engine Cooling Parts and more.

What is your return policy for Buick Century Engine Cooling Parts?

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