2021 Toyota 4Runner Engine Cooling Parts

Essential 2021 Toyota 4Runner Engine Cooling Parts

Ishino – Water Inlet Gasket, O-ring (Part No.G3042168546ISH)

Water Inlet Gasket, O-ring

from

$3.39
Water Inlet Gasket, O-ring

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.813251)

Radiator: With Transmission Oil Cooler

from

$233.99
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
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Mahle – Engine Coolant Thermostat Gasket (Part No.G403117595MAH)

Engine Coolant Thermostat Gasket

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$8.35
The Mahle Engine Coolant Thermostat Gasket is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Seals the thermostat housing and helps prevent coolant from leaking from the engine for proper engine temperature
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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NTC – Tama Engine Coolant Temperature Sensor (Part No.C6020146330NTC)

Tama Engine Coolant Temperature Sensor

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$41.94
The NTC-Tama Engine Coolant Temperature Sensor is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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AISIN – OE Replacement Water Pump (Part No.G3000167168ASC)

OE Replacement Water Pump

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$157.61
The AISIN Water Pump contains no remanufactured parts and provides optimal cooling without creating excess load to the engine. The highest quality materials are used, creating stronger body design and resistance to corrosion.

Product Features:
  • OE-Equivalent and direct fit application.
  • 100% new with no remanufactured parts.
  • Advanced technological design.
  • Carbon ceramic sealing.
  • Resistant to corrosion.
  • Optimum cooling performance and longevity.
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Felpro – WATER OUTLET GASKET (Part No.35278)

WATER OUTLET GASKET

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

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Dorman – Radiator Fan Blade (Part No.G5050267087DOR)

Radiator Fan Blade

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$108.70
Restore clutch-driven fans to original functioning and sustain proper engine operation with Dorman’s Engine Cooling Fan Blade. Its construction features reinforcement that reduces blade flexing at operating temperatures, improving thermal stability.

Product Features:
  • Helps to prevent engine overheating
  • Direct replacement for a proper fit every time
  • Easy to install
  • Durable construction for long-lasting performance
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Felpro – Engine Coolant Outlet Gasket (Part No.35801)

Engine Coolant Outlet Gasket

from

$3.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Carquest Premium – Integrated Thermostat Housing: With Seal, 180 Degrees (Part No.48778)

Integrated Thermostat Housing: With Seal, 180 Degrees

from

$49.99
Carquest Premium Integrated Housing Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat 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 as well as the design and function of the housing. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • All-in-one, bolt-on solution that includes everything needed for a complete job
  • Includes thermostat, seal and housing
  • Easy, one step fit and installation
  • No special tools required
  • Meets or exceeds all OEM standards
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Motorad – Thermostat Kit: Includes Housing, Thermostat and Seal, 180 Degrees (Part No.5559KT)

Thermostat Kit: Includes Housing, Thermostat and Seal, 180 Degrees

from

$49.99
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 – Radiator Support Cover (Part No.TO1224108)

Radiator Support Cover

from

$116.99
New Standard Replacement Upper Radiator Support Cover, Sight Shield

Product Features:
  • Sight Shield, Made Of Polypropylene
  • 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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Felpro – O-RING (Part No.35654)

O-RING

from

$5.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Ishino – Water Pipe O-Ring, For Water Bypass Pipe (Part No.G202666546ISH)

Water Pipe O-Ring, For Water Bypass Pipe

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$4.81
Water Pipe O-Ring, For Water Bypass Pipe

DENSO – Relay (Part No.567-0046)

Relay

from

$17.99
DENSO+s First Time Fit relays are no different from the OE relays DENSO has manufactured for over 60 years + built to be quiet, efficient, and reliable. Designed and manufactured to outlast the closest competitor by a minimum of ten times more life cycles, DENSO+s First Time Fit Relays will most likely out last your car. Holding approximately 30,000 active patents worldwide – approximately 7,300 in the United States – DENSO is going all out to design groundbreaking systems and components tuned especially to consumers’ specifications – whether they are drivers, passengers, pedestrians or society as a whole.
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Carquest – A/C Compressor Clutch Relay (Part No.R3130)

A/C Compressor Clutch Relay

from

$40.99
Product Features:
  • Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
  • A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
  • Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
  • The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
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Dorman – Non-Pressurized Coolant Reservoir (Part No.603-425)

Non-Pressurized Coolant Reservoir

from

$87.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Product Features:
  • Direct replacement – this engine coolant reservoir matches the fit and function of the original part.
  • Ideal solution – engineered for a seamless installation.
  • Durable construction – manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
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KAI – Coolant Reservoir (Part No.TO3014125)

Coolant Reservoir

from

$22.99
New Platinum Pro Coolant Recovery Tank

Product Features:
  • 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
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KAI – Radiator Support (Part No.TO1225286)

Radiator Support

from

$129.99
New Standard Replacement Radiator Support, Upper Seal

Product Features:
  • Upper Seal, 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
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KAI – Radiator Support (Part No.TO1225295C)

Radiator Support

from

$332.99
New CAPA Certified Standard Replacement Radiator Support Bolt-In

Product Features:
  • Made Of Steel
  • 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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Beck/Arnley – Water Pump Gasket (Part No.039-4166)

Water Pump Gasket

from

$17.99
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:
  • Matches OE form, fit and function
  • Metal where applicable
  • Quality construction for durability
  • Packaged in clear plastic for easy visibility and identification of all components
  • Application specific for this vehicle
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Beck/Arnley – Water Pump Gasket (Part No.039-4169)

Water Pump Gasket

from

$39.49
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:
  • Matches OE form, fit and function
  • Metal where applicable
  • Quality construction for durability
  • Packaged in clear plastic for easy visibility and identification of all components
  • Application specific for this vehicle
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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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Carquest Premium – Radiator Cap Tester Adapter (Part No.12024)

Radiator Cap Tester Adapter

from

$16.49
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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Carquest Premium – Radiator Cap: 13 PSI (Part No.10229)

Radiator Cap: 13 PSI

from

$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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Carquest Premium – Radiator Cap: 13 PSI (Part No.10241)

Radiator Cap: 13 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
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AISIN – Engine Cooling Fan Clutch (Part No.G5010928206ASC)

Engine Cooling Fan Clutch

from

$121.92
AISIN Fan Clutch quickly adjusts to temperature changes to provide efficient, controlled cooling. Providing optimal cooling performance without sacrificing engine efficiency, AISIN Fan Clutches are always OE Matched.

Product Features:
  • OE Matched Quality
  • Delivers precise fan speeds in proportion to engine RPM.
  • Optimal cooling performance is achieved through monitoring air temperature accurately without creating excess engine load.
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AISIN – Engine Cooling Fan Clutch (Part No.G5010177716ASC)

Engine Cooling Fan Clutch

from

$238.34
AISIN Fan Clutch quickly adjusts to temperature changes to provide efficient, controlled cooling. Providing optimal cooling performance without sacrificing engine efficiency, AISIN Fan Clutches are always OE Matched.

Product Features:
  • OE Matched Quality
  • Delivers precise fan speeds in proportion to engine RPM.
  • Optimal cooling performance is achieved through monitoring air temperature accurately without creating excess engine load.
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AISIN – Engine Cooling Fan Clutch (Part No.G5010661063ASC)

Engine Cooling Fan Clutch

from

$207.97
AISIN Fan Clutch quickly adjusts to temperature changes to provide efficient, controlled cooling. Providing optimal cooling performance without sacrificing engine efficiency, AISIN Fan Clutches are always OE Matched.

Product Features:
  • OE Matched Quality
  • Delivers precise fan speeds in proportion to engine RPM.
  • Optimal cooling performance is achieved through monitoring air temperature accurately without creating excess engine load.
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2021 Toyota 4Runner Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2021 Toyota 4Runner. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 29 different Engine Cooling Parts in our inventory ranging from $2.29 to $499.99. That means you can find the exact parts or products you need to keep that 2021 Toyota 4Runner running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 12 different brands to make sure you have plenty of trusted parts to choose from for your 2021 Toyota 4Runner. Carquest Premium, Motorad, 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 2021 Toyota 4Runner, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 592 reviews in this category, some of the top rated parts include Engine Coolant Thermostat Housing Gasket with 4.7 stars and Sankei Switches Radiator Cap with 5.0 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2021 Toyota 4Runner 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 2021 Toyota 4Runner Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2021 Toyota 4Runner 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 4Runner the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Motorad Engine Cooling Parts

We carry Motorad parts in our stock across Thermostat and Water Outlet Assemblies categories, plus more. For a 2021 Toyota 4Runner, our most popular Motorad Engine Cooling Parts include:
Integrated Thermostat Housing: With Seal, 180 Degrees
from $60.99
(4)
Integrated Thermostat Housing: With Seal, 180 Degrees
Thermostat and Water Outlet Assemblies

FAQs for 2021 Toyota 4Runner Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2021 Toyota 4Runner?

Out of 29 Engine Cooling Parts for the 2021 Toyota 4Runner, the most popular in our inventory are:
O-RING
from $5.99
(1)
O-RING
Engine Coolant Pipe O-Rings
Engine Coolant Outlet Gasket
from $3.99
This product is not rated
Engine Coolant Outlet Gasket
Thermostat and Water Outlet Gaskets
WATER OUTLET GASKET
from $2.29
This product is not rated
WATER OUTLET GASKET
Thermostat and Water Outlet Gaskets

What are the top-rated 2021 Toyota 4Runner Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2021 Toyota 4Runner based on customer reviews/ratings are:
Engine Coolant Thermostat Housing Gasket
from $5.49
(3)
Engine Coolant Thermostat Housing Gasket
“Just what I needed”
Sankei Switches Radiator Cap
from $11.27
(1)
Sankei Switches Radiator Cap
“Perfect fit, fast shipping”