1991 Pontiac Grand Prix Engine Cooling Parts

Essential 1991 Pontiac Grand Prix Engine Cooling Parts

Dorman – Water Pump Mounting Hardware Kit (Part No.902-806)

Water Pump Mounting Hardware Kit

from

$16.29
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
See More

Carquest Premium – Radiator Cap: 15 PSI (Part No.10248)

Radiator Cap: 15 PSI

from

$14.99
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

Dorman – Thermostat Assembly: Includes Housing (Part No.902-2836)

Thermostat Assembly: Includes Housing

from

$74.99
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly 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 thermostat housing assemblies
See More

Carquest Premium – Temperature Sender With Gauge (Part No.WTC1178)

Temperature Sender With Gauge

from

$9.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.84843)

Coolant Housing/Water Outlet: Gasket Included

from

$25.49
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
See More

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
See More

Dorman – Radiator Fan Assembly: Dual, Cost Effective & Reliable (Part No.620-628)

Radiator Fan Assembly: Dual, Cost Effective & Reliable

from

$139.99
This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

Product Features:
  • Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles.
  • Complete package – assembly is designed with the same materials and components as the original part.
  • Quality assured – motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
See More

Dorman – Radiator Drain Petcocks (Part No.G10051333557DOR)

Radiator Drain Petcocks

from

$7.03
Dorman offers a variety of Radiator Drain Petcocks for a range of applications. The high-quality design ensures effective draining of the cooling system. Features and Benefits

Product Features:
  • Available in several styles, including standard, screw-in, and push-in with captive thread
  • Direct replacement Radiator Drain Petcocks available (where applicable) to ensure a proper fit
  • Durably engineered for a long service life
  • Easy to use, no need to disconnect any of the radiator hoses
See More

Permatex – The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ (Part No.34310)

The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ

from

$38.99
Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 1 minute
See More

Felpro – Engine Water Pump Gasket (Part No.35403)

Engine Water Pump Gasket

from

$4.49
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
See More

Felpro – Engine Water Pump Gasket (Part No.13032)

Engine Water Pump Gasket

from

$2.99
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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
See More

Dorman – Radiator Fan Assembly: Single, Cost Effective And Reliable (Part No.620-604)

Radiator Fan Assembly: Single, Cost Effective And Reliable

from

$109.99
This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

Product Features:
  • Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles.
  • Complete package – assembly is designed with the same materials and components as the original part.
  • Quality assured – motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
See More

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

Radiator Cap Tester Adapter

from

$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
See More

Carquest Premium – Air Charge Temperature Sensor Connector (Part No.PTA1092)

Air Charge Temperature Sensor Connector

from

$33.49
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
See More

Dorman – GM Bumper Retainer (Part No.961-060D)

GM Bumper Retainer

from

$4.49
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
See More

ACDelco – GM Original Equipment Radiator Cap (Part No.G1010205985ACD)

GM Original Equipment Radiator Cap

from

$23.91
An ACDelco GM Original Equipment Radiator Cap is a spring loaded cap that seals the radiator filler neck or surge tank, and is a GM-recommended replacement for your vehicle’s original component. It maintains pressure on the cooling system while the engine is operating, which raises the boiling point of the engine coolant. It also replenishes the system with coolant from the expansion tank (if equipped) when the engine cools off. This original equipment radiator cap has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Get the GM quality you know and trust with ACDelco GM Original Equipment Thermostats and Caps. Stay with the brand of parts your General Motors vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Thermostats and Caps are engineered for virtually every model of GM car, light duty truck, and sport utility vehicle.

Product Features:
  • Seal and maintain pressure on the cooling system for vehicle safety
  • Raise the boiling point of the engine coolant to maintain efficiency
  • Fit most models of GM vehicles for expanded coverage
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Felpro – Engine Water Pump Installation Kit (Part No.ES 72102)

Engine Water Pump Installation Kit

from

$7.49
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
See More

Carquest Premium – Engine Coolant Temperature Switch (Part No.WTA1248)

Engine Coolant Temperature Switch

from

$18.49
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.
See More

GMB – GMB Water Pump (Part No.G3000394683GMB)

GMB Water Pump

from

$65.58
The GMB Water Pump contains no remanufactured components and is designed to combat engine overheating associated with higher RPM, performance and high load applications. All GMB Water Pumps feature a precision ground, heavy duty steel bearing that`s completely sealed and lubricated for life. A specially modified, high performance impeller eliminates cavitation at high RPM`s, maintaining maximum volumetric flow of coolant, thus reducing engine temperature and increasing horsepower.

Product Features:
  • OE-Equivalent and direct fit application.
  • 100% new with no remanufactured parts.
  • High flow design
  • Factory lubricated bearing assembly
  • Precision ground shaft and hub
  • OE quality forged housing for maximum coolant flow
  • Precision built and balanced
  • Pressed on impeller for increased water flow
  • Unique no sealed required gasket
  • Unitized seal protects bearings and provides long life leak free performance.
  • Factory sealed precision ground one piece bearing assembly
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 15 Degree Neck Angle (Part No.902-2009)

Coolant Housing/Water Outlet: With Housing and Gasket, 15 Degree Neck Angle

from

$12.79
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
See More

Dorman – Engine Water Pump Pulley (Part No.300-933)

Engine Water Pump Pulley

from

$46.99
Damaged your engine water pump pulley? This pulley is a direct replacement for the original manufacturer’s part on specific vehicle years, makes and models, restoring proper performance.

Product Features:
  • Direct replacement – this engine water pump pulley matches the fit and function of the original part on specific vehicles.
  • Durable design – built to withstand the elements and road debris.
  • Thoroughly tested – must pass strict standards to ensure reliable longevity
  • Trustworthy quality – backed by team of engineers and inspectors in United States
See More

Koyo Cooling – Koyo Cooling Radiator (Part No.G1000142171KCS)

Koyo Cooling Radiator

from

$185.87
Plastic Tank / Aluminum Core Radiator Koyo radiators are available in plastic tank and aluminum core. The Nocolok brazing line keeps the highest quality standards, bringing you superior products you can rely on. The Koyo Cooling radiator has been engineered to the highest standards and incorporates application specific mounting locations for all fan shrouds, inlet-outlet hoses and top-bottom mounting pins, ensuring quick and pain-free installs.

Product Features:
  • All Aluminum Core and Plastic Tank
  • OE Style mounting brackets and hose connections
  • Integrated transmission oil cooler when applicable
  • Compact and lightweight
See More

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
See More

Mahle – Water Pump Hsng Gask (Part No.G3031212899MAH)

Water Pump Hsng Gask

from

$2.04
Water Pump Hsng Gask

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

Water Outlet Gasket

from

$5.99
Manufactured from a blend of nitrile rubber and fiber for excellent sealing and durability. Precision die cut for application.

Product Features:
  • This gasket is bulk packaged
  • Made from Cellulose/Nitrile Composition
  • Provides Excellent Sealing and Durability
  • These Gaskets are Die Cut for a Precision Fit
  • Fits Small Block Chevy V8 Engines 1955-’90
  • Fits Big Block Chevy V8 Engines 1965-’90
  • Fits Small Block Chrysler 318/360 1979-’92
  • Fits Small Block Chysler 3.9L/5.2L/5.9L Magnum 1992-’03
See More

Carquest Premium – Engine Coolant Level Sensor (Part No.SBA3661)

Engine Coolant Level Sensor

from

$55.99
The engine cooling system is critical to engine sustainability under all operating conditions. The Coolant Level Sensor reports the level of coolant either in the radiator overflow container or in the radiator tank.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
See More

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

Adjustable Thermostatic Fan Control

from

$22.99
Adjustable Thermostatic Fan Control; Economy Model; 32-248°F. Controls the operating temperature of Imperial electric fans

Product Features:
  • Economy adjustable thermostatic fan control
  • Economy Model; 32-248°F
  • For use with Imperial electric fans
  • Probe installs into radiator fins
See More

ACDelco – Professional Engine Coolant Thermostat (Part No.G4000310403ACD)

Professional Engine Coolant Thermostat

from

$23.86
An ACDelco Professional, premium aftermarket Engine Coolant Thermostat is a temperature controlled valve located in the engine coolant outlet to, or the inlet from, the radiator, and is the ideal high quality replacement for your GM vehicle. It controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature. This premium aftermarket replacement engine coolant thermostat is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Control the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature
  • Professional, premium aftermarket replacement engine coolant thermostat
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

1991 Pontiac Grand Prix Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 1991 Pontiac Grand Prix. 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 $1.55 to $208.99. That means you can find the exact parts or products you need to keep that 1991 Pontiac Grand Prix running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 19 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Pontiac Grand Prix. Carquest Premium, Permatex, and Motorad UltraStats 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 1991 Pontiac Grand Prix, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 11,438 reviews in this category, some of the top rated parts include Radiator Cap: 16 PSI with 4.6 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 1991 Pontiac Grand Prix 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 1991 Pontiac Grand Prix Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Pontiac Grand Prix 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 Grand Prix the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular ACDelco Engine Cooling Parts

We carry ACDelco parts in our stock across Water Pumps categories, plus more. For a 1991 Pontiac Grand Prix, our most popular ACDelco Engine Cooling Parts include:
Water Pump Kit
from $52.99
(1)
Water Pump Kit
Water Pumps

FAQs for 1991 Pontiac Grand Prix Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 1991 Pontiac Grand Prix?

Out of 74 Engine Cooling Parts for the 1991 Pontiac Grand Prix, 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 Housing Gaskets
Standard Thermostat: With Seal, 195 Degrees
from $7.29
(105)
Standard Thermostat: With Seal, 195 Degrees
Thermostats
Standard Thermostat: 180 Degrees
from $9.99
(36)
Standard Thermostat: 180 Degrees
Thermostats

What are the top-rated 1991 Pontiac Grand Prix Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 1991 Pontiac Grand Prix based on customer reviews/ratings are:
Radiator Cap: 16 PSI
from $16.79
(91)
Radiator Cap: 16 PSI
“Better then the factory one”
2 Pole Radiator Fan Motor
from $34.99
(60)
2 Pole Radiator Fan Motor
“Installed Easially, Works Great!”
Coolant Temp Sensor Switch
from $24.05
(56)
Coolant Temp Sensor Switch
“Very good replacement part.”