2021 Jeep Wrangler Engine Cooling Parts

Keep Your 2021 Jeep Wrangler 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 2021 Jeep Wrangler 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, Radiators, and Thermostat and Water Outlet Gaskets. 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 FELPRO. For example, FELPRO Engine Cooling Parts start at just $10.79 with an average 4.6 star rating. With over 44 reviews and a solid 5 star average, you can shop with confidence knowing other Jeep Wrangler owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2021 Jeep Wrangler Engine Cooling Part at Advance Auto Parts is around $76.85, with a range that starts at $8.99 and goes up to $303.99. With 22 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Coolant Temperature Sensor 1TS1023, Engine Coolant Temperature Sensor, and Integrated Thermostat Housing: With Sensor, With Seal, 194 Degrees start at just $25.99 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 Air Conditioning Parts and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 2021 Jeep Wrangler in peak condition, inside and out.

Essential 2021 Jeep Wrangler Engine Cooling Parts

Delphi – Engine Coolant Temperature Sensor (Part No.TS10175)

Engine Coolant Temperature Sensor

from

$35.99
Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.

Product Features:
  • Delphi temperature sensors deliver accurate readings and optimal performance
  • Delphi’s one-piece design and automated production process eliminates internal connectors and failure points
  • Each sensor is electrically insulated to eliminate interference from other components in the vehicle
  • Delphi temperature sensors are impervious to electrical noise and interference
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Delphi – Engine Coolant Temperature Sensor (Part No.TS10019)

Engine Coolant Temperature Sensor

from

$39.99
Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.

Product Features:
  • Delphi temperature sensors deliver accurate readings and optimal performance
  • Delphi’s one-piece design and automated production process eliminates internal connectors and failure points
  • Each sensor is electrically insulated to eliminate interference from other components in the vehicle
  • Delphi temperature sensors are impervious to electrical noise and interference
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NTK – Engine Coolant Temperature Sensor (Part No.EF0178)

Engine Coolant Temperature Sensor

from

$29.99
The Engine Coolant Temperature Sensor determines the exact temperature of the engine coolant by sending an analog signal to the ECM to ensure proper air/fuel ratio along with proper operation of the cooling fans and temperature gauge. The Engine Coolant Temperature Sensor may be located on the cylinder head, engine block, thermostat housing or intake manifold. Reasons for replacement include, check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clips included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
  • THE DIFFERENCE: Thread sealant/o-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
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Carquest Premium – Radiator Cap Tester Adapter (Part No.12552)

Radiator Cap Tester Adapter

from

$14.99
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
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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

Dorman – Non-Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement (Part No.603-774)

Non-Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement

from

$99.99
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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Dorman – Non-Pressurized Coolant Reservoir: Clear, Plastic, Original Equipment Replacement (Part No.603-773)

Non-Pressurized Coolant Reservoir: Clear, Plastic, Original Equipment Replacement

from

$44.99
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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Crown Auto Jeep Replacmnt – OE Replacement (Part No.J3223202)

OE Replacement

from

$8.99
Crown Automotive offers the largest line of replacement parts for Jeep (R), as well as a growing line of parts for Chrysler and Dodge vehicles. Our applications features Axle, Body, Brake, Clutch, Cooling, Electrical, Engine, Fuel, Lamps, Mirrors, Steering, Suspension, Transmission and Wiper.

Product Features:
  • Constructed From Plastic
  • Offers OE Fit And Function
  • Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts
  • Easy To Install
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Motorad – Thermostat Kit: Includes Housing, Thermostat and Gasket, 195 Degrees (Part No.4802KT)

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

from

$22.99
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
See More

Carquest Premium – Thermostat Housing (Part No.86199)

Thermostat Housing

from

$83.99
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
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • 100% virgin resin material to insure durability
  • 100% leak tested
  • Direct-fit replacement for ease of installation
See More

Dorman – Thermostat Assembly: Includes Housing, 208 Degrees (Part No.902-3040)

Thermostat Assembly: Includes Housing, 208 Degrees

from

$303.99
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

Felpro – Engine Coolant Outlet Gasket (Part No.36123)

Engine Coolant Outlet Gasket

from

$14.99
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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
See More

Omix – Radiator (Part No.17101.38)

Radiator

from

$534.99
Is your radiator leaking? Over time they will deteriorate. It’s easier to replace it now than have a roadside or trail breakdown in the future. Get a high quality radiator for your Jeep from Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Aluminum Core; Plastic Tank
  • 1 Core
  • Limited 5 Year Warranty
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KAI – Radiator (Part No.RAD2101)

Radiator

from

$199.99
New Platinum Pro Radiator, 4 Cylinder And 6 Cylinder Engines

Product Features:
  • 4 Cylinder And 6 Cylinder Engines, 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
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aFe POWER – BladeRunner Radiator (Part No.46-50002-B)

BladeRunner Radiator

from

$1242.99
This BladeRunner GT Series Radiator keeps your 2007-11 Jeep Wrangler JK with the 3.8L running cooler, longer. 100% aircraft-grade 5052 aluminum, 1-3/4″ bar and plate core design and 1/8″ aluminum fabricated end tanks handle rock-crawling and street hauling. Includes upper and lower 5-ply polyester reinforced silicone hoses and quality stainless steel, T-Bolt clamps for a simple, secure installation. Unique 1-3/4″ Bar and Plate Core Design: 25% more efficient than factory tube and fin core design. The BladeRunner features a bar and plate core design which provides greater heat dissipation and better coolant flow for optimum cooling efficiency. Flow and Performance: Aircraft-grade aluminum construction and larger core offers 25% more coolant capacity to maintain cooler temperatures. Includes both upper and lower 5-ply polyester reinforced silicone hoses that withstand high-temperatures and outlast factory rubber hoses. End Tanks: The unique BladeRunner end tanks are constructed out of 1/8” TIG-welded aluminum plates for strength and durability. Billet Aluminum Inlet/Outlet: 1 1/2″ diameter billet aluminum inlet and outlet for long-lasting reliability. TIG-Welded: 100% TIG-welded by certified craftsmen for race proven strength and durability. TIG-welding provides the strongest welds reducing stress cracks. Brass Drainage Valve: This radiator includes a 1/4″ NPT brass drain valve with a barbed fitting to connect a hose for draining coolant easy and mess free. Perfect Fit: Utilizes the factory mounting locations to provide stability for a hassle-free installation. Includes high quality, stainless steel, T-Bolt clamps and heavy-duty 5-ply silicone hoses for strength. Custom Appearance: Brushed aluminum finish with an aFe Power logo painted on the front. Radiator hoses are finished in black silicone with an aFe Power logo printed on them.

Product Features:
  • 25 Percent More Efficient Cooling
  • Increased Coolant Capacity
  • 100 Percent Aircraft Grade Welded
  • 5 Ply Silicone Hoses
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Omix – Radiator; 1 Row; 87-06 Jeep Wrangler YJ/TJ (Part No.17101.13)

Radiator; 1 Row; 87-06 Jeep Wrangler YJ/TJ

from

$399.99
Is your radiator leaking? Over time they will deteriorate. It’s easier to replace it now than have a roadside or trail breakdown in the future. Get a high quality radiator for your Jeep from Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Aluminum Core; Plastic Tank
  • 1 Core
See More

Victor Reinz – Engine Coolant Thermostat Gasket (Part No.71-10283-00)

Engine Coolant Thermostat Gasket

from

$9.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Felpro – Engine Coolant Outlet Gasket (Part No.35024)

Engine Coolant Outlet Gasket

from

$4.29
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

Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35975)

Engine Coolant Thermostat Housing Gasket

from

$8.99
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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
See More

Felpro – Engine Coolant Thermostat Gasket (Part No.35974)

Engine Coolant Thermostat Gasket

from

$10.79
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
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Dorman – Help – Engine Coolant Reservoir Cap: Flip Top, Polypropylene, 1 Pack (Part No.54201)

Engine Coolant Reservoir Cap: Flip Top, Polypropylene, 1 Pack

from

$14.49
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
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Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.54207)

Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack

from

$9.49
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: 18 PSI (Part No.10334)

Radiator Cap: 18 PSI

from

$10.49
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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Carquest Premium – Reservoir Cap (Part No.T114)

Reservoir Cap

from

$29.49
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.
See More

Felpro – Engine Coolant Thermostat Gasket (Part No.36093)

Engine Coolant Thermostat Gasket

from

$9.99
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 Coolant Thermostat Housing Seal (Part No.35861)

Engine Coolant Thermostat Housing Seal

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
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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MAHLE Original – Engine Coolant Thermostat Seal (Part No.C32590)

Engine Coolant Thermostat Seal

from

$5.29
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35678)

Engine Coolant Thermostat Housing Gasket

from

$3.29
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 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

Most Popular Thermostat and Water Outlet Assemblies for 2021 Jeep Wranglers

Enhance your 2021 Jeep Wrangler with one of the 5 Thermostat and Water Outlet Assemblies we have in stock, starting at just $62.99.

Motorad – Integrated Thermostat Housing: 208 Degrees (Part No.945-208)

Integrated Thermostat Housing: 208 Degrees

from

$88.99
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.

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 Sensor, With Seal, 194 Degrees (Part No.1009-194)

Integrated Thermostat Housing: With Sensor, With Seal, 194 Degrees

from

$64.99
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.

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

Dorman – Thermostat Assembly: Includes Housing, 208 Degrees (Part No.902-3040)

Thermostat Assembly: Includes Housing, 208 Degrees

from

$303.99
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housing assemblies
See More

Carquest Premium – Thermostat Housing (Part No.86199)

Thermostat Housing

from

$83.99
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
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • 100% virgin resin material to insure durability
  • 100% leak tested
  • Direct-fit replacement for ease of installation
See More

Dorman – Thermostat Assembly: Includes Gasket and Sensor, 194 Degrees (Part No.902-3113)

Thermostat Assembly: Includes Gasket and Sensor, 194 Degrees

from

$62.99
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

Best-Selling 2021 Jeep Wrangler Radiators

Upgrade your Wrangler with one of our 2 best-selling Radiators.

Carquest Premium – RADIATOR (Part No.4113836)

RADIATOR

from

$209.99
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.
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Carquest Premium – RADIATOR (Part No.4113837)

RADIATOR

from

$134.99
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.
See More

Top-Quality Thermostat and Water Outlet Gaskets for 2021 Jeep Wranglers

Choose a high-quality OEM or aftermarket Thermostat and Water Outlet Gasket for Jeep Wranglers and enjoy top-notch performance from $8.99.

Felpro – Engine Coolant Thermostat Gasket (Part No.35974)

Engine Coolant Thermostat Gasket

from

$10.79
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
  • 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 Gasket (Part No.35975)

Engine Coolant Thermostat Housing Gasket

from

$8.99
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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
See More

Top Picks for 2021 Jeep Wrangler Coolant Reservoir Caps

Invest in one of our 2 durable Coolant Reservoir Caps for your 2021 Jeep, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Reservoir Cap (Part No.T114)

Reservoir Cap

from

$29.49
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.
See More

Carquest Premium – Standard Reservoir Cap: 21 PSI (Part No.T116)

Standard Reservoir Cap: 21 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.
See More

Our Coolant Reservoirs for 2021 Jeep Wranglers

Make a smart move for your 2021 Jeep Wrangler with our Coolant Reservoir for $75.99.

Encore Automotive – Engine Coolant Reservoir, Genuine OE (Part No.CT-D20008G)

Engine Coolant Reservoir, Genuine OE

from

$75.99
Encore Automotive Genuine OE Coolant Reservoir is designed with proprietary chemical formulation to hold the excess or overflowing cooling agent which is used in your car. Encore Automotive partners with the world’s leading automakers to bring the latest Genuine OE and high-quality aftermarket components to market. You’re willing to do the work to keep your car or truck going – so, it only makes sense to go with Encore Automotive parts because when it comes to quality, fit and convenience, Encore has you covered.

Product Features:
  • Genuine OE Part
  • Graduated based on automakers recommendation to run safely
  • Hose Included
See More

Top-Rated Engine Cooling Part Brands For Your 2021 Jeep Wrangler

When it comes to finding the perfect Engine Cooling Part for your 2021 Jeep Wrangler, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Engine Cooling Part brands including FELPRO, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $10.79. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2021 Jeep Wrangler, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 2021 Jeep Wrangler Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2021 Jeep Wrangler, Advance Auto Parts has exactly what you need with our selection of FELPRO Engine Cooling Parts. We have 1 FELPRO Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $10.79, you’ll find the perfect Engine Cooling Part for your needs and budget. FELPRO Engine Cooling Parts for the 2021 Jeep Wrangler come highly rated, with over 2 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Engine Coolant Thermostat Gasket
from $10.79
(2)
Engine Coolant Thermostat Gasket
“Perfect fit for a 2011 Chrysler 200 with 6 cylinder”

FAQs for 2021 Jeep Wrangler Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2021 Jeep Wranglers?

Out of 22 Engine Cooling Parts that fit 2021 Jeep Wranglers, the following parts are the top sellers:

What’s the price range for 2021 Jeep Wrangler Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2021 Jeep Wrangler range from $8.99 up to $303.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2021 Jeep Wrangler?

The average price for Engine Cooling Parts for the 2021 Jeep Wrangler is $76.85. 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 Jeep Wrangler model years?

Yes, we carry Engine Cooling Parts for 36 model years of Jeep Wranglers between 1987 and 2025. The following model years are the most popular for Engine Cooling Part purchases: 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Engine Cooling Parts for my 2021 Jeep Wrangler?

The cheapest 2021 Jeep Wrangler Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 2021 Jeep models?

Yes. We stock Engine Cooling Parts for 3 other popular 2021 Jeep models. Some of the most popular are 2021 Grand Cherokee Engine Cooling Parts, 2021 Cherokee Engine Cooling Parts, 2021 Compass Engine Cooling Parts, and 2021 Renegade Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 2021 Jeep Wrangler?

The one 2021 Jeep Wrangler Engine Cooling Part we have in stock is the Engine Coolant Thermostat Housing Gasket. It costs $8.99.

What types of Engine Cooling Parts do you sell for my 2021 Jeep Wrangler?

As of 11/2/25, these are some of the most in-demand types of Engine Cooling Parts for a 2021 Jeep Wrangler:

Can I get help with 2021 Jeep Wrangler 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 Jeep Engine Cooling Parts and more.

What is your return policy for Jeep Wrangler Engine Cooling Parts?

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