Buick Rainier Engine Cooling Parts

Your One-Stop Shop For Trusted Buick Rainier Engine Cooling Parts

If you’re in search of Buick Rainier Engine Cooling Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 77 Engine Cooling Parts from top brands with prices ranging from $1.29 to $381.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Cooling Parts for your Buick Rainier.

And don’t forget to read customer reviews across all Engine Cooling Parts categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Engine Cooling Parts have to cost top dollar, and we prove it. Browse our top Buick Rainier Engine Cooling Parts below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential Buick Rainier Engine Cooling Parts

GM Genuine Parts – Multi-Purpose Relay (Part No.15016745)

Multi-Purpose Relay

from

$52.99
GM Genuine Parts Wiring Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These relays help connect or disconnect power to a vehicle accessory when it receives a low voltage signal from a switch. 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:
  • Helps connect or disconnect power to vehicle accessories
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Dorman – Engine Heater Hose Assembly (Part No.626-591)

Engine Heater Hose Assembly

from

$93.99
This replacement engine coolant pipe assembly is designed to match the fit and function of the original assembly on specified makes, years and models, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this replacement engine coolant pipe assembly is designed to match the fit and function of the original assembly on specified makes, years and models
  • Restores functionality – reliable replacement for an original part that is leaking, cracked or failed from corrosion and heat
  • 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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Imperial – Electric Fan, 10" Diameter (Part No.226110)

Electric Fan, 10" Diameter

from

$72.99
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
  • 10″ Diameter
  • 650 CFM
  • Use as a pusher or puller fan
  • Motors built and tested to quality specifications
  • 10 in. universal fit reversible fan
  • 650 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
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Dorman – Thermostat Assembly: Includes Gasket, Thermostat, and Housing, 160 Degrees (Part No.902-2800)

Thermostat Assembly: Includes Gasket, Thermostat, and Housing, 160 Degrees

from

$39.99
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.

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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MAHLE Original – Water Pump Gasket (Part No.K31757)

Water Pump Gasket

from

$7.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Driveworks Water Pumps – Water Pump (Part No.58-588)

Water Pump

from

$55.99
Driveworks Remanufactured Water Pumps offer a complete replacement part solution, with application coverage spanning from antique to present-day vehicles. All units are 100% tested and engineered to meet or exceed O.E.M. performance, providing you a quality product you and your vehicle can rely on.

Product Features:
  • 100% leak tested and hub-pull tested to promote a long, trouble-free performance life
  • Designed and manufactured with new, high-quality unitized seals from OE suppliers to ensure long, trouble-free performance
  • Each unit uses the proper bearing design as specified by the OE manufacturer to meet the specific radial torque and axial load requirements of each application to promote long bearing life and trouble-free performance
  • Supplied with high-quality mounting gasket and other seals/gaskets as applicable per application to help complete the job
  • Manufactured to original casting specifications to ensure a proper fit and proper water flow for efficient cooling
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US MOTOR WORKS – Water Pump with Fan Clutch (Part No.MCK2001)

Water Pump with Fan Clutch

from

$279.99
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.

Product Features:
  • Fan clutch mounts to the water pump and should be replaced at the same time.
  • Matched set for proper water pump or fan clutch replacement
  • Includes mounting hardware, gaskets and accessories as required.
  • Complete mechanical cooling parts replacement
  • Factory tested and 100% new product
  • Meets or exceeds OEM quality
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Felpro – Multi-Purpose O-Ring (Part No.35633)

Multi-Purpose O-Ring

from

$3.29
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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Motorad UltraStats – UltraStat Thermostat – 160 Degrees (Part No.5523-160)

UltraStat Thermostat - 160 Degrees

from

$60.99
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.

Product Features:
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
  • AccuSpring Design for stable temperature control and increased cabin comfort
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Victor Reinz – Engine Coolant Thermostat Housing Gasket (Part No.71-14094-00)

Engine Coolant Thermostat Housing Gasket

from

$13.99
Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Application specific design provides an exceptional fit.
  • Validated for fit, form, and function.
  • Meets or exceeds original equipment specifications.
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Victor Reinz – Engine Water Pump Installation Kit (Part No.18-10020-01)

Engine Water Pump Installation Kit

from

$9.99
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.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Carquest Premium – Automatic Headlight Sensor (Part No.CAA1754)

Automatic Headlight Sensor

from

$31.99
The Automatic Headlight Sensor is a photoelectric device that reacts to ambient light conditions reporting to the body control module which will turn the headlights on or off based ambient light conditions.

Product Features:
  • Application matched components ensure the automatic headlight system can be returned to like new condition.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • This part will look and function just like the original sensor.
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KAI – Cooling Fan Shroud (Part No.GM3110151)

Cooling Fan Shroud

from

$36.99
New Platinum Pro Radiator Fan Shroud, 4.2 Liter Engine

Product Features:
  • 4.2 Liter Engine
  • 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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GM Genuine Parts – Water Inlet Seal (Part No.12587397)

Water Inlet Seal

from

$8.99
GM Genuine Parts Engine Coolant Thermostat Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These seals help close and prevent coolant from leaking out of your vehicle’s cooling system components. 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:
  • Helps close and prevent coolant from leaking out of your vehicle’s cooling system components to maintain the proper engine temperature
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Carquest Premium – Reservoir Cap (Part No.T80)

Reservoir Cap

from

$39.99
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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Dorman – Non-Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement (Part No.603-126)

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

from

$51.99
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 – Engine Coolant Water Outlet (Part No.902-695)

Engine Coolant Water Outlet

from

$54.99
This replacement engine coolant water outlet is engineered to match the fit and durability of the stock engine coolant water outlet on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant water outlet directly replaces the original water outlet 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 water outlets
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Dorman – Radiator Fan Motor Connector (Part No.645-176)

Radiator Fan Motor Connector

from

$44.99
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 Length 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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Carquest Premium – Electronic Fan Clutch – Reverse Rotation, Heavy Duty (Part No.215156)

Electronic Fan Clutch - Reverse Rotation, Heavy Duty

from

$229.99
Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. CARQUEST fan clutches are designed to meet OE performance specifications.

Product Features:
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
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Dorman – Coolant Housing/Water Outlet: with Housing, 30 Degree Neck Angle (Part No.902-836)

Coolant Housing/Water Outlet: with Housing, 30 Degree Neck Angle

from

$35.99
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.

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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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432403)

Radiator: With Transmission Oil Cooler

from

$209.99
Carquest Premium Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Carquest Premium 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.

Product Features:
  • Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
  • Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
  • Our fin edges are folded for increased stability and heat disbursement properties.
  • Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
  • Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
  • We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
  • We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
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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
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Felpro – Engine Coolant Thermostat Gasket (Part No.35632)

Engine Coolant Thermostat Gasket

from

$4.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Dorman – Panel Retainer (Part No.963-021D)

Panel Retainer

from

$4.99
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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ACDelco – Engine Coolant Temperature Sensor (Part No.213-4514)

Engine Coolant Temperature Sensor

from

$39.99
ACDelco Professional Engine Coolant Temperature Sensor is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket sensor is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Engine Cooling Parts Brands You Can Trust For Your Buick Rainier

15 trusted brands of Engine Cooling Parts line our shelves, ready to help keep your Buick Rainier running smooth. Below are some of the most popular brands and their top Engine Cooling Parts offerings:

Popular ACDelco Engine Cooling Parts

ACDelco products for the Buick Rainier span several categories. Some of the highest-rated ACDelco Engine Cooling Parts that will fit your Buick Rainier are:
Engine Coolant Temperature Sensor
from $39.99
(1)
Engine Coolant Temperature Sensor
Coolant Temperature Sensors

Most Purchased Buick Rainier Engine Cooling Parts from Carquest Premium

When you buy the most frequently purchased Carquest Premium brand Engine Cooling Parts, you can be confident it will be the right part for your Buick Rainier. Here are the Carquest Premium Engine Cooling Parts Advanced Auto customers buy the most:
Engine Water Pump: New, Gasket/Seals Included
from $151.99
(371)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Engine Water Pump
from $104.99
(345)
Engine Water Pump
Water Pumps
Engine Water Pump: New, Gasket/Seals Included
from $215.99
(41)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps

FAQs for Buick Rainier Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the Buick Rainier?

Out of 77 Engine Cooling Parts for the Buick Rainier, the most popular in our inventory are:
Engine Water Pump
from $104.99
(345)
Engine Water Pump
Water Pumps
Engine Water Pump Gasket
from $7.49
(100)
Engine Water Pump Gasket
Water Pump Gaskets
Radiator Cap: 15 PSI
from $15.99
(59)
Radiator Cap: 15 PSI
Coolant Reservoir Caps

What are the top-rated Buick Rainier Engine Cooling Parts?

Top-rated Engine Cooling Parts for your Buick Rainier based on customer reviews/ratings are:
Integrated Thermostat Housing: With Seal, 192 Degrees
from $39.49
(109)
Integrated Thermostat Housing: With Seal, 192 Degrees
“If you have a 2008 trailblazer and your AC doesnt work, try this part. My AC wasnt working for the longest time tried changing the temp sensor and tha”
Electronic Fan Clutch - Reverse Rotation, Heavy Duty
from $229.99
(48)
Electronic Fan Clutch – Reverse Rotation, Heavy Duty
“Easy online purchase and pickup! Not only that tool rental good option to offer”
Standard Thermostat: With Seal, 187 Degrees
from $34.99
(45)
Standard Thermostat: With Seal, 187 Degrees
“Good Replacement”