2018 GMC Sierra 1500 Engine Cooling Parts

Keep Your 2018 GMC Sierra 1500 in Top Shape with Quality Engine Cooling Parts

Whether you’re repairing or upgrading your Engine Cooling Part, using high-quality parts is key to keeping your 2018 GMC Sierra 1500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Thermostat and Water Outlet Assemblies, Thermostat and Water Outlet Gaskets, and Water Pumps. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Cooling Parts from Trusted Brands

Looking for a reliable Engine Cooling Part? We’ve got you covered with options from brands you know and trust like Dorman, Carquest Premium, and Delphi. For example, Dorman Engine Cooling Parts start at just $17.99 with an average 4.2 star rating. Carquest Premium and Delphi offer similar pricing and quality, backed by strong customer feedback. With over 844 reviews and a solid 5 star average, you can shop with confidence knowing other GMC Sierra 1500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2018 GMC Sierra 1500 Engine Cooling Part at Advance Auto Parts is around $138.05, with a range that starts at $6.79 and goes up to $817.99. With 27 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Coolant Temperature Sensor 1TS1001, Integrated Thermostat Housing: With Seal, 207 Degrees, and Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack start at just $17.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling Part, don’t forget to check out other key components like Blower Motor and Related Products and HVAC Electrical Parts. At Advance Auto Parts, we’re here to help you keep your 2018 GMC Sierra 1500 in peak condition, inside and out.

Essential 2018 GMC Sierra 1500 Engine Cooling Parts

Felpro – Engine Coolant Thermostat Gasket (Part No.35632)

Engine Coolant Thermostat Gasket

from

$4.79
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 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

Felpro – Engine Coolant Thermostat Housing Seal (Part No.36106)

Engine Coolant Thermostat Housing Seal

from

$6.79
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Validated for fit, form, and function
See More

Driveworks Water Pumps – Engine Water Pump (Part No.58-562)

Engine Water Pump

from

$104.99
This replacement engine water pump is leak and flow tested. Gaskets and seals are included where applicable.

Product Features:
  • This pump is used on accessory belt driven applications
  • Used mostly on models equipped with a fan clutch
  • It is highly recommended that the fan clutch be replaced with the water pump
  • All gaskets or seals necessary for installation are supplied with pump
  • Durable housing features precisely machined mounting surfaces for proper sealing
See More

ACDelco – Water Pump Kit (Part No.252-901)

Water Pump Kit

from

$381.99
An ACDelco Professional, premium aftermarket Engine Water Pump circulates coolant through your vehicle’s radiator and engine system to help maintain proper engine temperature and performance. The gaskets, seals, and O-rings packaged with this Professional, premium aftermarket water pump help guarantee that all necessary parts are available for trouble-free installation. ACDelco Professional Water Pumps are a high quality replacement for many vehicles on the road today. This premium aftermarket replacement engine water pump is manufactured to meet your expectations for fit, form, and function.

Product Features:
  • All Makes water pumps fit GM vehicles as well as a wide range of non-GM vehicles
  • Thoroughly tested for reliable, leak-free performance
  • Coated seals support seal longevity and durability
  • Heat-treated shaft assemblies provide superior strength and durability over non-treated assemblies
  • High-quality bearings are permanently sealed and lubricated for greater durability and long life
  • Come with premium, high-quality replacement components needed for trouble-free and accurate installation
  • Uniform wall sections and smooth coolant-flow cavities for efficient operation
  • Cast-iron or aluminum design, depending on vehicle application
See More

Carquest Premium – Radiator: With Engine and Transmission Oil Coolers (Part No.432306)

Radiator: With Engine and Transmission Oil Coolers

from

$327.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle¿s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
See More

KAI – Radiator (Part No.RAD13029)

Radiator

from

$232.99
New Platinum Pro Radiator, 34 Inch Core With Engine And Transmission Oil Coolers

Product Features:
  • 34 Inch Core With Engine Oil Cooler And TOC, Without Heavy Duty Cooling, Made Of Plastic and Aluminum
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Radiator Cap Not Included
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Imperial – Electric Fan, 14" Diameter (Part No.226114)

Electric Fan, 14" Diameter

from

$99.99
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:
  • 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.
  • 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.
See More

Dorman – Radiator Fan Assembly (Part No.621-805)

Radiator Fan Assembly

from

$961.99
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 – Active Grille Shutter (Part No.601-374)

Active Grille Shutter

from

$384.99
This radiator shutter assembly matches the fit and function of the original equipment shutter to restore function to the vehicle’s active grille shutter system. This assembly features a factory-style connector for a plug-and-play installation.

Product Features:
  • Ideal replacement – this active grille shutter and motor assembly precisely matches the original equipment assembly on specific makes and models
  • Plug & play installation – this grille shutter assembly is made with a factory-style electrical connector for a trouble-free installation
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and reliable performance
See More

Dorman – HD Solutions – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.902-5601)

Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack

from

$23.79
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

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

Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.82597)

Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack

from

$17.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

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

GM Genuine Parts – Parking Light Relay (Part No.D1777C)

Parking Light Relay

from

$11.49
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
See More

Carquest Premium – Engine Cooling Fan Motor Relay (Part No.WTA4007)

Engine Cooling Fan Motor Relay

from

$121.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

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.
  • 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.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • 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

Dorman – Thermostat Assembly: Includes Housing, Thermostat, and O-Ring, 180 Degrees (Part No.902-2700)

Thermostat Assembly: Includes Housing, Thermostat, and O-Ring, 180 Degrees

from

$41.99
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

Factory Air – Water Outlet with Thermostat (Part No.85580)

Water Outlet with Thermostat

from

$54.99
Includes quality gasket to ensure proper seal
See More

GM Genuine Parts – HOUSING (Part No.12685257)

HOUSING

from

$364.99
HOUSING

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

Engine Water Pump Gasket

from

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

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design 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

Felpro – Engine Water Pump Gasket (Part No.35841)

Engine Water Pump Gasket

from

$4.29
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 – Coolant Temperature Sensor 1TS1486 (Part No.WTA2342)

Coolant Temperature Sensor 1TS1486

from

$8.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
    • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
    • O-rings, seals or thread sealant are included if required
    • Weather-tight connectors prevent leaks and corrosion for longer life
    • Extensive design validation testing and 100% end-of-line tested
    • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

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

Coolant Temp Sensor Switch

from

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

Product Features:
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Brass construction for accurate temperature sensing
  • Color coded for easy identification
  • Zinc coated terminal to resist corrosion
See More

Felpro – Engine Water Pump Gasket (Part No.36109)

Engine Water Pump Gasket

from

$19.49
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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

KAI – Coolant Reservoir (Part No.GM3014124)

Coolant Reservoir

from

$57.99
New Platinum Pro Coolant Recovery Tank, Without Cap

Product Features:
  • Without Cap, Made Of Plastic
  • 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
See More

KAI – Coolant Reservoir (Part No.GM3014115)

Coolant Reservoir

from

$41.99
New Platinum Pro Coolant Recovery Tank, Models With Gasoline Engine

Product Features:
  • Models With Gasoline Engine, Made Of Plastic
  • 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
See More

KAI – Coolant Reservoir (Part No.GM3014121)

Coolant Reservoir

from

$64.99
New Platinum Pro Coolant Recovery Tank, With Cap

Product Features:
  • With Cap, Made Of Plastic
  • 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
See More

Carquest Premium – Radiator Cap Tester Adapter (Part No.12033)

Radiator Cap Tester Adapter

from

$95.99
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

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

Most Popular Thermostat and Water Outlet Assemblies for 2018 GMC Sierra 1500s

Enhance your 2018 GMC Sierra 1500 with one of the 2 Thermostat and Water Outlet Assemblies we have in stock, starting at just $69.99.

Motorad – Integrated Thermostat Housing: With Seal, 207 Degrees (Part No.815-207)

Integrated Thermostat Housing: With Seal, 207 Degrees

from

$69.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. 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:


Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Motorad – Integrated Thermostat Housing: With Seal, 194 Degrees (Part No.815-194)

Integrated Thermostat Housing: With Seal, 194 Degrees

from

$109.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. 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:


Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Best-Selling 2018 GMC Sierra 1500 Thermostat and Water Outlet Gasket

Upgrade your Sierra 1500 with our best-selling Thermostat and Water Outlet Gasket.

Felpro – Engine Coolant Thermostat Housing Seal (Part No.36106)

Engine Coolant Thermostat Housing Seal

from

$6.79
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Validated for fit, form, and function
See More

Top-Quality Water Pumps for 2018 GMC Sierra 1500s

Choose a high-quality OEM or aftermarket Water Pump for GMC Sierra 1500s and enjoy top-notch performance from $114.99.

Carquest Premium – Engine Water Pump: New (Part No.T4285)

Engine Water Pump: New

from

$114.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, seals, impeller, hub and housing are all designed for long-lasting service life.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
See More

Top Picks for 2018 GMC Sierra 1500 Coolant Reservoir Caps

Invest in one of our 3 durable Coolant Reservoir Caps for your 2018 GMC, knowing you’re getting trusted brands and expert craftsmanship.

Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.54218)

Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack

from

$17.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

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

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

Radiator Cap: 15 PSI

from

$15.99
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 – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.54218CD)

Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack

from

$17.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

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

Radiators for 2018 GMC Sierra 1500s

Make a smart move for your 2018 GMC Sierra 1500 with products all priced from $197.99 to $381.99.

Carquest Premium – Radiator: With Engine And Transmission Oil Coolers (Part No.813396)

Radiator: With Engine And Transmission Oil Coolers

from

$381.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineeredáwith integrated ribbingáfor addedástrength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
See More

Carquest Premium – Radiator: With Engine And Transmission Oil Coolers (Part No.813398)

Radiator: With Engine And Transmission Oil Coolers

from

$308.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineeredáwith integrated ribbingáfor addedástrength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
See More

Carquest Premium – Radiator: With Engine And Transmission Oil Coolers (Part No.4113569)

Radiator: With Engine And Transmission Oil Coolers

from

$299.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach 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:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle’s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
See More

CSF Cooling – 34"L X 16-7/16"W X 1-1/4"D Core, Crossflow, 1 Row, Aluminum Core/Plastic Tanks (Part No.3838)

34"L X 16-7/16"W X 1-1/4"D Core, Crossflow, 1 Row, Aluminum Core/Plastic Tanks

from

$281.99
CSF offers the widest variety of automotive radiator models servicing over 3,200 applications including every brand from Acura to Volkswagen. Whether your radiator is Copper-Brass, Plastic-Copper-Brass, Plastic-Aluminum, or All Aluminum, CSF has you covered with the same materials and style as OE. CSF manufactures the highest quality aftermarket replacement radiators, with the strongest and most efficient components available in the industry. All CSF radiators undergo a rigorous testing process in our state-of-the-art testing lab.

Product Features:
  • CNC Machined Brackets And Fittings
  • B-Tube Technology
  • High Performance Multi-Louvered Fin
  • Racing Style Aluminum Drain Plug
  • OE Radial And Deep Drawn Aluminum End Tanks
  • Wind Tunnel, Burst Pressure, And Vibration Testing
  • Drop In Fitment Requiring No Modifications
  • 1 Hour Hand Polish Mirror Finish
  • Wind Tunnel Tested For Optimal Radiator Core Cooling Efficiency. Burst Pressure And Impulse Cycle Tested For Strength. Salt Spray Tested For Corrosion Protection
See More

KAI – Radiator (Part No.RAD13396)

Radiator

from

$197.99
New Platinum Pro Radiator, 4.3 Liter V6 Engine, Without Tow Package

Product Features:
  • 4.3 Liter V6 Engine, Without Tow Package, Made Of Plastic and Aluminum
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Radiator Cap Not Included
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Top-Rated Engine Cooling Part Brands For Your 2018 GMC Sierra 1500

When it comes to finding the perfect Engine Cooling Part for your 2018 GMC Sierra 1500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Engine Cooling Part brands including Carquest Premium, Dorman, and Delphi, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $15.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2018 GMC Sierra 1500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 2018 GMC Sierra 1500 Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2018 GMC Sierra 1500, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Engine Cooling Parts. We have 2 Carquest Premium Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $15.99 and an average cost of $65.49, you’ll find the perfect Engine Cooling Part for your needs and budget. Carquest Premium Engine Cooling Parts for the 2018 GMC Sierra 1500 come highly rated, with over 60 customer reviews and an impressive average rating of 4.4 stars. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Radiator Cap: 15 PSI
from $15.99
(59)
Radiator Cap: 15 PSI
“Just what I needed”
Engine Water Pump: New
from $114.99
(1)
Engine Water Pump: New
“Comes with the round gasket which it doesnt state anywhere.. comes with instructions as well .”

Top-Quality Dorman 2018 GMC Sierra 1500 Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2018 GMC Sierra 1500, Advance Auto Parts offers a great selection of Dorman Engine Cooling Parts. With 2 Dorman Engine Cooling Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Cooling Parts start at just $17.99, with an average price of $41.49, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.2 stars, Dorman Engine Cooling Parts provide both reliability and excellent performance. Choosing a Dorman Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Pressurized Coolant Reservoir: Black; Clear, Plastic, Original Equipment Replacement
from $64.99
(1)
Pressurized Coolant Reservoir: Black; Clear, Plastic, Original Equipment Replacement
“Exact part for my vehicle amazing service”
Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack
from $17.99
(1)
Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack
“Fits perfect”

FAQs for 2018 GMC Sierra 1500 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2018 GMC Sierra 1500s?

Out of 27 Engine Cooling Parts that fit 2018 GMC Sierra 1500s, the following parts are the top sellers:

What’s the price range for 2018 GMC Sierra 1500 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2018 GMC Sierra 1500 range from $6.79 up to $817.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2018 GMC Sierra 1500?

The average price for Engine Cooling Parts for the 2018 GMC Sierra 1500 is $138.05. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Cooling Parts for other GMC Sierra 1500 model years?

Yes, we carry Engine Cooling Parts for 26 model years of GMC Sierra 1500s between 1999 and 2026. The following model years are the most popular for Engine Cooling Part purchases: 2023, 2022, 2021, 2020, 2019, 2017, 2016, 2015, and 2014.

What are the cheapest Engine Cooling Parts for my 2018 GMC Sierra 1500?

The cheapest 2018 GMC Sierra 1500 Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 2018 GMC models?

What are the top-rated Engine Cooling Parts that fit the 2018 GMC Sierra 1500?

The one 2018 GMC Sierra 1500 Engine Cooling Part we have in stock is the Engine Coolant Thermostat Housing Seal. It costs $6.79.

What types of Engine Cooling Parts do you sell for my 2018 GMC Sierra 1500?

As of 11/2/25, these are some of the most in-demand types of Engine Cooling Parts for a 2018 GMC Sierra 1500:

Can I get help with 2018 GMC Sierra 1500 Engine Cooling Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Engine Cooling Parts and more.

What is your return policy for GMC Sierra 1500 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new GMC Sierra 1500 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.