1981 GMC K3500 Engine Cooling Parts

Essential 1981 GMC K3500 Engine Cooling Parts

Felpro – Engine Water Pump Gasket (Part No.11725)

Engine Water Pump Gasket

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$1.99
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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Felpro – Engine Water Pump Gasket (Part No.5152)

Engine Water Pump Gasket

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$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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GMB – GMB Water Pump (Part No.G3000142190GMB)

GMB Water Pump

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$98.22
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
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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 Cap Tester Adapter (Part No.12552)

Radiator Cap Tester Adapter

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$14.29
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
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ACDelco – GM Original Equipment Engine Coolant Thermostat (Part No.G4000202671ACD)

GM Original Equipment Engine Coolant Thermostat

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$21.85
An ACDelco GM Original Equipment Engine Coolant Thermostat is a temperature controlled valve located in the engine coolant outlet to, or the inlet from, the radiator, and is a GM-recommended replacement for your vehicle’s original component. It controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature. This original equipment engine coolant thermostat has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Control the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature
  • 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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Flex A Lite – Belt-Driven Fan Spacer Kit (Part No.14548)

Belt-Driven Fan Spacer Kit

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$17.99
Belt-Driven Fan Spacer Kit

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

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$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
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Dorman – Help – Radiator Drain Cocks (Part No.61133)

Radiator Drain Cocks

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$8.29
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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Motorad – Thermostat Kit: Includes Housing, Thermostat and Seal, 195 Degrees (Part No.5169KT)

Thermostat Kit: Includes Housing, Thermostat and Seal, 195 Degrees

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$20.99
Kit includes thermostat, housing, and all necessary seals/gaskets to do the complete job. These individual parts are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat and housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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KAI – Rad Mount Bushing (Part No.GMK4012326682S)

Rad Mount Bushing

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$22.99
New Goodmark 4 Piece Set Of Radiator Mount Cushions, For Models With 4 Row Radiators

Product Features:
  • For Models With 4 Row Radiators
  • 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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Carquest Premium – Universal Fan Clutch – 6" Thermal (Part No.215157)

Universal Fan Clutch - 6" Thermal

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$76.99
Product Features:
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
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Carquest Premium – Coolant Housing/Water Outlet (Part No.85222)

Coolant Housing/Water Outlet

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$78.99
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
  • Direct-fit replacement for ease of installation
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35356)

Engine Coolant Thermostat Housing 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 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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Carquest Premium – Engine Coolant Temperature Switch (Part No.WTA1105)

Engine Coolant Temperature Switch

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$19.49
The engine coolant temperature sender, not to be confused with the engine coolant temperature sensor, is located anywhere within the engine cooling system, and contains a thermistor that changes in resistance value as the thermistors ambient temperature changes. The engine coolant temperature sender is fed 12 volts and is typically used in conjunction with a gauge in the instrument cluster to provide a visual representation of the engine coolant temperature condition.

Product Features:
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Thermally conductive grease within the housing providing the most accurate temperature transfer from the engine to the thermistor.
  • Plated brass or aluminum housings to prevent housing corrosion, ensures effective heat distribution to thermal element, and ensure a secure and leak-free thread mount.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
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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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Imperial – Adjustable Thermostatic Fan Control (Part No.226204)

Adjustable Thermostatic Fan Control

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$55.99
Adjustable Thermostatic Fan Control. 160-210°F; push-in probe. Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Adjustable thermostatic fan control
  • 160-210°F push-in probe
  • For use with Imperial electric fans
  • Probe installs into radiator fins
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ARP Auto Racing – For Use With All V8 Chevy, Hex Style Head Type, Black Oxide, Chrome Moly (Part No.130-3202)

For Use With All V8 Chevy, Hex Style Head Type, Black Oxide, Chrome Moly

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$17.99
ARP timing cover bolts are available in both polished stainless steel or black oxide finish chrome moly. You also can choose between standard hex head bolts or compact 12 point fasteners. Also available as part of ARP complete engine and accessory kits. Studs are preferred by many pro engine builders because they eliminate the chance of pinching gaskets and contribute to easier engine assembly. You will note that ARP studs feature a special bullet nose to guide the nut accurately into place. Available in black oxide finish 8740 chrome moly or polished stainless steel with hex or 12 point nuts. Alternators that come loose are a pain, so that is why ARP came up with these super tough bolts. The stainless has the added advantage of being rust and corrosion resistant. it is the fastener of choice.

Product Features:
  • Made From Black Oxide Finished 8740 Chrome Moly Or Corrosion Resistant Stainless Steel
  • Nominally Rated At 170,000 PSI Tensile Strength
  • Made In USA
  • Sold As A Kit
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Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)

Sensor-Safe, High-Torque RTV Silicone Gasket Maker

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$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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Permatex – Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (Part No.22071)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

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$6.99
Permatex Water Pump & Thermostat RTV Silicone Gasket Maker is a noncorrosive, sensor-safe RTV silicone gasket material formulated for water pumps and thermostat housings. Permatex Water Pump & Thermostat has the highest water-glycol resistance available in an RTV silicone.

Product Features:
  • Sensor-safe, noncorrosive RTV silicone gasket material
  • Formulated specifically for water pumps and thermostat housings
  • Highest water-glycol resistance available in RTV silicone
  • Superior adhesion and flexibility
  • Can be used as a gasket maker or dressing
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Imperial – Electric Fan – 14" Diameter (Part No.226114)

Electric Fan - 14" Diameter

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$99.99
Product Features:
  • Motors built and tested to quality specifications
  • 14 in. universal fit reversible fan
  • 1250 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
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Felpro – Engine Coolant Outlet Gasket (Part No.35289)

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 to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Carquest Premium – Temperature Sender With Gauge and Harness (Part No.WTC1035)

Temperature Sender With Gauge and Harness

from

$31.99
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 – Radiator Cap: 16 PSI (Part No.10230)

Radiator Cap: 16 PSI

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$9.79
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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Mr. Gasket – Chrome Plated Steel Water Pump Pulley (Part No.4967)

Chrome Plated Steel Water Pump Pulley

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$87.19
Replace your stock black water pump pulley with a chrome plated steel pulley from Mr. Gasket. The pulleys are highly polished then chrome plated for lasting beauty. Designed for big block Chevrolet engines with 5/8 inch water pump shaft.

Product Features:
  • Chrome plated steel
  • 1969-Up Big Block Chevrolet
  • For engines with 5/8¿ water pump shaft
  • For engines with 5/8┐ water pump shaft
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Mr. Gasket – Chrome Plated Steel Water Pump Pulley (Part No.4974)

Chrome Plated Steel Water Pump Pulley

from

$59.19
Replace your stock black engine pulleys with a pair of chrome plated steel pulleys from Mr. Gasket. The pulleys are highly polished then chrome plated for lasting beauty. Designed for small and big block Chevrolet engines with 5/8 inch water pump shaft.

Product Features:
  • Highly Polished For Lasting Beauty
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KAI – Cooling Fan Shroud (Part No.GM3110116)

Cooling Fan Shroud

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$39.99
New Platinum Pro Upper 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.GM3110144)

Cooling Fan Shroud

from

$25.99
New Platinum Pro Lower Fan Shroud

Product Features:
  • 34 Inch Core
  • 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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1981 GMC K3500 Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 1981 GMC K3500. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 100 different Engine Cooling Parts in our inventory ranging from $1.29 to $411.99. That means you can find the exact parts or products you need to keep that 1981 GMC K3500 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 1981 GMC K3500. 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 1981 GMC K3500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 3,904 reviews in this category, some of the top rated parts include Engine Coolant Outlet Gasket with 4.8 stars and Standard Thermostat: 180 Degrees with 4.8 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 1981 GMC K3500 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 1981 GMC K3500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 GMC K3500 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 K3500 the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular GMB Engine Cooling Parts

We carry GMB parts in our stock across Water Pumps categories, plus more. For a 1981 GMC K3500, our most popular GMB Engine Cooling Parts include:
GMB Water Pump
from $98.22
(8)
GMB Water Pump
Water Pumps

Top 1981 GMC K3500 Engine Cooling Parts from Carquest Premium

Carquest Premium products are another trusted brand when it comes to Engine Cooling Parts for your 1981 GMC K3500. Popular Carquest Premium parts include:
Radiator Cap: 16 PSI
from $9.79
(260)
Radiator Cap: 16 PSI
Radiator Caps
Standard Thermostat: 195 Degrees
from $9.99
(107)
Standard Thermostat: 195 Degrees
Thermostats
Radiator Cap: 16 PSI
from $16.79
(91)
Radiator Cap: 16 PSI
Radiator Caps

FAQs for 1981 GMC K3500 Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 1981 GMC K3500?

Out of 100 Engine Cooling Parts for the 1981 GMC K3500, 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
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Water Pump Housing Gaskets
Engine Water Pump Gasket
from $2.99
(68)
Engine Water Pump Gasket
Water Pump Gaskets

What are the top-rated 1981 GMC K3500 Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 1981 GMC K3500 based on customer reviews/ratings are:
Engine Coolant Outlet Gasket
from $3.99
(100)
Engine Coolant Outlet Gasket
“Perfect fit”
Standard Thermostat: 180 Degrees
from $9.99
(36)
Standard Thermostat: 180 Degrees
“It worked as it should.”
Adjustable Thermostatic Fan Control
from $22.99
(35)
Adjustable Thermostatic Fan Control
“Advance kicks butt”