1991 GMC K2500 Engine Cooling Parts

Essential 1991 GMC K2500 Engine Cooling Parts

Permatex – Sensor-Safe, High Torque RTV Silicone Gasket Maker (Part No.22074)

Sensor-Safe, High Torque RTV Silicone Gasket Maker

from

$6.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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Imperial – Thermostatic Fan Control – Preset (Part No.226206)

Thermostatic Fan Control - Preset

from

$38.49
Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Preset thermostatic fan control
  • 185°F preset
  • For use with Imperial electric fans
  • Probe installs into radiator fins
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Carquest Premium – Coolant Temperature Sensor (Part No.WTC1001)

Coolant Temperature Sensor

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$22.99
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.
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Carquest Premium – Engine Cooling Fan Switch (Part No.TFA1014)

Engine Cooling Fan Switch

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$78.99
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.
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Dorman – Engine Coolant Thermostat Housing (Part No.G4010754311DOR)

Engine Coolant Thermostat Housing

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$29.37
Dorman’s Engine Coolant Thermostat Housing has improved durability and resistance. It withstands the extreme changes in temperature that frequently cause housing to become brittle, crack and leak. Maintain the steady flow of coolant and lessen the chances of overheating.

Product Features:
  • Direct replacement for a proper fit every time
  • Hoses slide on for easy installation
  • High-quality plastic or metal construction
  • Includes all hardware necessary for a complete repair (where applicable)
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Carquest Premium – Engine Coolant Level Sensor (Part No.SBA3821)

Engine Coolant Level Sensor

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$13.99
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.
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Dorman – Water Pump Mounting Hardware Kit (Part No.902-807)

Water Pump Mounting Hardware Kit

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$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
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Felpro – WATER PUMP MOUNTING GASKET SET (Part No.ES 73030)

WATER PUMP MOUNTING GASKET SET

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$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
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Carquest Premium – Radiator: With Engine And Transmission Oil Coolers (Part No.432072)

Radiator: With Engine And Transmission Oil Coolers

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$191.99
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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Mr. Gasket – Bolt Water Pump (Part No.4996)

Bolt Water Pump

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$36.49
This Mr. Gasket Water Pump Bolt Set includes chrome plated grade 5 hex head fasteners and AN style washers to install the water pump on your small block Chevrolet with the short style water pump. AN washers have no exposed shoulder which offers a professional appearance. Includes one 3/8 inch-16 x 2-1/2 bolt, three 3/8 inch-16 x 1-3/4 inch bolts, and four 3/8 inch AN washers.

Product Features:
  • Chrome plated
  • Grade 5
  • AN washers with no exposed shoulder for a professional appearance
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Dorman – Radiator Drain Petco (Part No.G1005826976DOR)

Radiator Drain Petco

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$7.97
Dorman offers a variety of Radiator Drain Petcocks for a range of applications. The high-quality design ensures effective draining of the cooling system.

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
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Felpro – Engine Coolant Outlet Gasket (Part No.35218)

Engine Coolant Outlet Gasket

from

$2.49
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
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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
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Edelbrock – Competition Water Pump for Small-Block – 3/8" NPT Pipe Aux Outlet (Part No.8817)

Competition Water Pump for Small-Block - 3/8" NPT Pipe Aux Outlet

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$346.99
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 black with in 1 piece. Only flows in one-direction for optimum efficiency.

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 Reservoir – Expansion Tank (Part No.G1030308683DOR)

Coolant Reservoir - Expansion Tank

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$39.13
Dorman’s Engine Coolant Recovery Tank is designed for enduring use. It resists the expansion and cracking that extreme temperature fluctuations can cause. Plus, the durable plastic construction prevents coolant fluid loss.

Product Features:
  • Comes with reservoir cap
  • Level sensor included (where applicable)
  • Direct replacement for a proper fit every time
  • Quality tested to ensure trouble-free installation and performance
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Mr. Gasket – Premium Quality Thermostat Gasket with Solid Aluminum Carrier (Part No.738G)

Premium Quality Thermostat Gasket with Solid Aluminum Carrier

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$31.99
Edge molded rubber water outlet gasket is reusable, great for engines that require regular disassembling for maintenance. Incorporates solid aluminum carrier for strength and rigidity. Can be used with OE replacement or aftermarket chrome water outlets. Requires no gasket sealer.

Product Features:
  • Edge Molded Rubber Water Outlet Gasket Is Reusable
  • Requires No Gasket Sealer
  • Solid Aluminum Carrier For Strength/rigidity
  • Reusable – Ideal for Engines That Are Frequently Taken Apart & Reassembled
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US MOTOR WORKS – Water Pump with Fan Clutch (Part No.MCK1036)

Water Pump with Fan Clutch

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$108.99
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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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
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Edelbrock – Engine Water Pump Gasket Set for Chevy Big-Block (Part No.7252)

Engine Water Pump Gasket Set for Chevy Big-Block

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$14.99
Edelbrock #7252 Engine Water Pump Gasket Set #7252 Chevy Big 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 materia

Product Features:
  • Composite Material
  • 2-Pump To Block
  • 1-Back Plate-To-Water Pump
  • O-Ring
  • For BB Chevy
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Felpro – Engine Water Pump Installation Kit (Part No.ES 72674)

Engine Water Pump Installation Kit

from

$8.79
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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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
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Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)

Sensor-Safe, High-Torque RTV Silicone Gasket Maker

from

$11.49
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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Carquest Premium – Universal Fan Clutch – 7" Thermal Regular Duty (Part No.215049)

Universal Fan Clutch - 7" Thermal Regular Duty

from

$49.99
Product Features:
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
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Mr. Gasket – Thermocap Radiator Cap (Part No.2470B)

Thermocap Radiator Cap

from

$47.19
The fastest, easiest way to know exactly when it’s safe to open your radiator cap. ThermoCap, with its built-in calibrated thermometer, indicates the coolant temperature.

Product Features:
  • Indicates coolant temperature
  • Helps prevent coolant injuries
  • Fahrenheit and centigrade readings
  • Color-coded temperature ranges
  • Integrated coolant reclamation valve
  • Improves under-hood appearance
  • Chromed crown with a colored trim ring
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Dorman – Clutch Fan Blade: Steel, Cost Effective And Reliable (Part No.621-108)

Clutch Fan Blade: Steel, Cost Effective And Reliable

from

$55.99
Replace your damaged cooling fan blade with this direct replacement. This vehicle-specific application is engineered for a perfect fit and is made from quality materials to ensure durability and restore proper cooling system operation.

Product Features:
  • Direct replacement – this engine cooling fan blade fits and functions like the original equipment fan blade
  • Quality construction – manufactured from premium materials for a long service life
  • Excellent value – original equipment quality at a lower price
  • Quality tested – has undergone testing to ensure proper fit and performance
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ACDelco – GM Original Equipment Engine Coolant Temperature Sensor (Part No.C6020210271ACD)

GM Original Equipment Engine Coolant Temperature Sensor

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$66.21
The ACDelco GM Original Equipment Engine Coolant Temperature Sensor monitors the engine temperature, and is a GM-recommended replacement for your vehicle’s original component. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. This original equipment engine coolant temperature sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Undergo the same stringent testing process as the original part
  • 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
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KAI – Cooling Fan Shroud (Part No.GM3110117)

Cooling Fan Shroud

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$39.99
New Platinum Pro Lower Fan Shroud, 5.0/5.7 Liter V8 Engine, With 28 Inch Wide Radiator

Product Features:
  • 5.0/5.7 Liter V8 Engine, With 28 Inch Wide Radiator
  • 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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KAI – Cooling Fan Shroud (Part No.LKQ1051412)

Cooling Fan Shroud

from

$21.99
New Platinum Pro Lower Fan Shroud, 305 And 350

Product Features:
  • 305 And 350
  • 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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1991 GMC K2500 Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 1991 GMC K2500. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 134 different Engine Cooling Parts in our inventory ranging from $1.29 to $1,152.99. That means you can find the exact parts or products you need to keep that 1991 GMC K2500 running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 21 different brands to make sure you have plenty of trusted parts to choose from for your 1991 GMC K2500. Carquest Premium, Permatex, and Felpro 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 GMC K2500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 15,710 reviews in this category, some of the top rated parts include Engine Coolant Outlet Gasket with 4.8 stars and Radiator Cap: 16 PSI with 4.6 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 1991 GMC K2500 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 GMC K2500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 GMC K2500 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 K2500 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 1991 GMC K2500, our most popular Delphi Engine Cooling Parts include:
Engine Coolant Temperature Sensor
from $29.99
(1)
Engine Coolant Temperature Sensor
Coolant Temperature Sensors

FAQs for 1991 GMC K2500 Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 1991 GMC K2500?

Out of 134 Engine Cooling Parts for the 1991 GMC K2500, 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
Engine Water Pump Inlet Pipe Gaskets
Standard Thermostat: 195 Degrees
from $9.99
(107)
Standard Thermostat: 195 Degrees
Thermostats
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Water Pump Housing Gaskets

What are the top-rated 1991 GMC K2500 Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 1991 GMC K2500 based on customer reviews/ratings are:
Engine Coolant Outlet Gasket
from $3.99
(100)
Engine Coolant Outlet Gasket
“Perfect fit”
Radiator Cap: 16 PSI
from $16.79
(91)
Radiator Cap: 16 PSI
“Better then the factory one”
Engine Water Pump Gasket
from $2.99
(68)
Engine Water Pump Gasket
“Typical blue material Fel Pro gasket. A good product.”