2021 Ford Mustang Engine Cooling Parts

Keep Your 2021 Ford Mustang 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 Ford Mustang looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Thermostats, Thermostat and Water Outlet Gaskets, and Radiators. 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 and Carquest Premium. For example, FELPRO Engine Cooling Parts start at just $2.99 with an average 4.6 star rating. Carquest Premium offer similar pricing and quality, backed by strong customer feedback. With over 212 reviews and a solid 3 star average, you can shop with confidence knowing other Ford Mustang owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2021 Ford Mustang Engine Cooling Part at Advance Auto Parts is around $75.48, with a range that starts at $2.99 and goes up to $352.99. With 35 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Engine Water Pump: New, Gasket/Seals Included, Engine Coolant Thermostat Housing Gasket, and Original Equipment (O.E.) Sender Assembly start at just $10.79 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 Blend Doors and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 2021 Ford Mustang in peak condition, inside and out.

Find Your Specific 2021 Ford Mustang Engine Cooling Parts

Looking for the perfect Engine Cooling Part for your 2021 Ford Mustang? You’re in the right place. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Cooling Parts, ensuring durability and a precise fit for your Ford Mustang. Whether you’re driving a 2021 model or another popular model year like 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, and 2023, we’ve got you covered. Purchasing Engine Cooling Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle.

Essential 2021 Ford Mustang Engine Cooling Parts

Carquest Premium – Coolant Housing/Water Outlet: Includes Seal (Part No.CH4822)

Coolant Housing/Water Outlet: Includes Seal

from

$34.99
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested.

Product Features:
  • Easy, one step fit and installation
  • No special tools required
  • Meets or exceeds all OEM standards
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Felpro – THERMOSTAT GASKET (Part No.35673)

THERMOSTAT GASKET

from

$6.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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(42 reviews)
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KAI – Cooling Fan Assembly (Part No.FO3115120)

Cooling Fan Assembly

from

$132.99
New Platinum Pro Radiator Fan Assembly, 4.6 Liter Engine

Product Features:
  • 4.6 Liter Engine
  • 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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Dorman – Non-Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement (Part No.603-210)

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

from

$90.99
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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Carquest Premium – Radiator Cap: 16 PSI (Part No.10233)

Radiator Cap: 16 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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(193 reviews)
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Carquest Premium – Engine Coolant Reservoir Cap (Part No.10262)

Engine Coolant Reservoir Cap

from

$22.99
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.

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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(7 reviews)
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Felpro – Engine Water Pump Gasket (Part No.35431)

Engine Water Pump Gasket

from

$6.49
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
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(2 reviews)
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Felpro – Engine Water Pump Gasket (Part No.35211)

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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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(9 reviews)
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Stant – GSKT THEMOSTAT (Part No.27138)

GSKT THEMOSTAT

from

$0.79
GSKT THEMOSTAT
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Felpro – Engine Coolant Outlet Gasket (Part No.35440)

Engine Coolant Outlet 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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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(51 reviews)
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Dorman – Coolant Housing/Water Outlet: with Housing and Gasket, 90 Degree Neck Angle (Part No.902-1037)

Coolant Housing/Water Outlet: with Housing and Gasket, 90 Degree Neck Angle

from

$15.49
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
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Dorman – Coolant Housing/Water Outlet: with Housing and Gasket, 90 Degree Neck Angle (Part No.902-1035)

Coolant Housing/Water Outlet: with Housing and Gasket, 90 Degree Neck Angle

from

$15.49
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
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Motorad – Thermostat Kit: Includes Housing, Thermostat and Gasket, 192 Degrees (Part No.4884KT)

Thermostat Kit: Includes Housing, Thermostat and Gasket, 192 Degrees

from

$20.99
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:
  • 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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Motorad – Engine Coolant Thermostat Housing Assembly Thermostat: With Seal, 192 Degrees (Part No.5173KT)

Engine Coolant Thermostat Housing Assembly Thermostat: With Seal, 192 Degrees

from

$39.99
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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MAHLE Original – Water Outlet Gasket (Part No.C32197)

Water Outlet Gasket

from

$5.99
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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(1 reviews)
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Dorman – Help – Upper and Lower Coolant Hose Seal (OE Fix) (Part No.47450)

Upper and Lower Coolant Hose Seal (OE Fix)

from

$18.49
Certain Ford vehicles use radiator hoses that employ a connection sealed with an O-ring. Through age, heat cycling and normal wear and tear, the O-ring can deform or become damaged to the point where it no longer seals effectively. The dealer sells the O-rings only as part of the complete hose assembly. This OE FIX engine coolant pipe O-ring kit is designed to reduce repair expense while matching the performance of the original part on specified vehicles. The O-ring helps to prevent coolant leaks and should be replaced periodically or if the connection is disturbed during service. This kit is made with quality materials and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this OE FIX coolant pipe O-ring kit is designed to help restore proper cooling system function and prevent coolant leaks on specified vehicles
  • Cost-conscious repair – replacing just the sealing components instead of the complete hose keeps properly-functioning parts in service
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Felpro – Multi-Purpose O-Ring (Part No.35772)

Multi-Purpose O-Ring

from

$2.99
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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(1 reviews)
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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T2085)

Engine Water Pump: New, Gasket/Seals Included

from

$57.99
Carquest Premium drive motor inverter cooler water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, impeller, controller, gaskets, and seals are designed for long-lasting service life. These electric water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium auxiliary water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:
  • Built to meet or exceed OE fit, form and function
  • All components necessary for installation are supplied with pump
  • 100% tested for reliable performance
  • Follow all enclosed instructions to maximize pump life and validate warranty
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(1 reviews)
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Carquest Premium – New Water Pump (Part No.T2330)

New Water Pump

from

$129.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

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
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
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(9 reviews)
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Motorcraft – Original Equipment (O.E.) Sender Assembly (Part No.DY-1025)

Original Equipment (O.E.) Sender Assembly

from

$73.99
The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.

Product Features:
  • Motorcraft and Ford Parts are used throughout Ford vehicles in a variety of applications that help ensure the proper build quality, integrity and long-lasting performance of every Ford car or truck.
  • Motorcraft and Ford Parts are manufactured from first-quality materials – chosen specifically for maximum performance and application suitability.
  • As with all Motorcraft and Ford Parts, any innovations or improvements developed since the vehicle’s manufacture are included in these after market replacement parts, ensuring the most current technology and performance.
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Delphi – Engine Coolant Temperature Sensor (Part No.TS10001)

Engine Coolant Temperature Sensor

from

$47.99
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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Carquest Premium – Standard Thermostat: 192 Degrees (Part No.13469)

Standard Thermostat: 192 Degrees

from

$12.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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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(3 reviews)
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Carquest Premium – Standard Thermostat: 180 Degrees (Part No.49228)

Standard Thermostat: 180 Degrees

from

$24.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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

(3 reviews)
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35993)

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
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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.433381)

Radiator: With Transmission Oil Cooler

from

$423.99
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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(5 reviews)
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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.431396)

Radiator: With Transmission Oil Cooler

from

$303.99
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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(6 reviews)
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KAI – Radiator (Part No.RAD2789)

Radiator

from

$123.99
New Platinum Pro Radiator, 4.0 And 4.6 Liter Engines

Product Features:
  • 4.0 And 4.6 Liter 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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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.431395)

Radiator: With Transmission Oil Cooler

from

$216.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle¿s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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(28 reviews)
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Most Popular Thermostats for 2021 Ford Mustangs

Enhance your 2021 Ford Mustang with one of the 8 Thermostats we have in stock, starting at just $20.99.
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Carquest Premium – Standard Thermostat: 190 Degrees (Part No.49238)

Standard Thermostat: 190 Degrees

from

$25.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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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(13 reviews)
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Carquest Premium – Standard Thermostat: 187 Degrees (Part No.49229)

Standard Thermostat: 187 Degrees

from

$24.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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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(5 reviews)
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Carquest Premium – Standard Thermostat: 180 Degrees (Part No.49228)

Standard Thermostat: 180 Degrees

from

$24.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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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(3 reviews)
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Carquest Premium – Standard Thermostat: With Seal, 194, 201 Degrees (Part No.49240)

Standard Thermostat: With Seal, 194, 201 Degrees

from

$59.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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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Carquest Premium – Standard Thermostat: With Seal, 160 Degrees, 170 Degrees (Part No.717-160)

Standard Thermostat: With Seal, 160 Degrees, 170 Degrees

from

$84.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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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Motorad UltraStats – ULTRA STAT (Part No.5655-188)

ULTRA STAT

from

$38.99
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

Product Features:
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
  • AccuSpring Design for stable temperature control and increased cabin comfort
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Carquest Premium – Standard Thermostat: 170 Degrees (Part No.655-170)

Standard Thermostat: 170 Degrees

from

$36.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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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Carquest Premium – Standard Thermostat: 140 Degrees (Part No.655-140)

Standard Thermostat: 140 Degrees

from

$20.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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.
See More
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Best-Selling 2021 Ford Mustang Thermostat and Water Outlet Gaskets

Upgrade your Mustang with one of our 4 best-selling Thermostat and Water Outlet Gaskets, earning an average 3.5 stars rating across 5 reviews.
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35934)

Engine Coolant Thermostat Housing 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
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(5 reviews)
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35839)

Engine Coolant Thermostat Housing Gasket

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$2.99
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
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Motorcraft – THERMOSTAT GASKET (Part No.RTS-1081)

THERMOSTAT GASKET

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$14.79
THERMOSTAT GASKET
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Felpro – Engine Coolant Outlet Gasket (Part No.36124)

Engine Coolant Outlet Gasket

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$5.99
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
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Top-Quality Radiators for 2021 Ford Mustangs

Choose a high-quality OEM or aftermarket Radiator for Ford Mustangs and enjoy top-notch performance from $259.99.
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Carquest Premium – Radiator (Part No.813486)

Radiator

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$352.99
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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Carquest Premium – Radiator (Part No.813488)

Radiator

from

$259.99
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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Top Picks for 2021 Ford Mustang Thermostat and Water Outlet Assemblies

Invest in one of our 2 durable Thermostat and Water Outlet Assemblies for your 2021 Ford, knowing you’re getting trusted brands and expert craftsmanship.
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Motorad – Integrated Thermostat Housing: With Seal, 180 Degrees (Part No.1010-180)

Integrated Thermostat Housing: With Seal, 180 Degrees

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$32.99
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
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Dorman – Thermostat Assembly: Includes Gasket, Thermostat, and Housing, 180 Degrees (Part No.902-1076)

Thermostat Assembly: Includes Gasket, Thermostat, and Housing, 180 Degrees

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$45.49
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
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Top-Rated Water Pumps for 2021 Ford Mustangs

Make a smart move for your 2021 Ford Mustang with products all priced from $80.99 to $161.99.
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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T3170)

Engine Water Pump: New, Gasket/Seals Included

from

$131.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

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
  • All gaskets or seals necessary for water pump are included
  • 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
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(3 reviews)
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Motorcraft – ENGINE WATER PUMP (Part No.PW-639)

ENGINE WATER PUMP

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$161.99
ENGINE WATER PUMP
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Motorcraft – Engine Water Pump (Part No.PW-625)

Engine Water Pump

from

$80.99
Motorcraft Water Pumps are engineered to provide original equipment performance and reliability even in extreme conditions.

Product Features:
  • Backed by the Motorcraft Service Parts Warranty, limited labor cost and no commercial exceptions. Warranty is supported nationwide by Ford/Lincoln dealers and Ford Authorized Distributors.
  • Coolant reservoir keeps normal cold-start weepage out of sight and extends bearing life.
  • Press tubes are coated with nickel zinc for better housing connection and corrosion resistance.
  • Powdered-metallic hub mating surfaces provide superior alignment for smooth operation and do not need machining.
  • Robust impeller design is engineered to optimize performance for specific vehicle applications.
  • Durability tested to a 10 year/150,000 mile equivalent.
  • All pumps contain precision bearings with ground shafts to help deliver long life and efficient performance.
  • Bearing housing meets original equipment load requirements.
  • Bearings are locked into place to minimize fan-load vibration and help ensure long-term alignment and reliability.
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Top-Rated Engine Cooling Part Brands For Your 2021 Ford Mustang

When it comes to finding the perfect Engine Cooling Part for your 2021 Ford Mustang, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Engine Cooling Part brands including FELPRO and Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $2.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2021 Ford Mustang, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 2021 Ford Mustang Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2021 Ford Mustang, Advance Auto Parts has exactly what you need with our selection of FELPRO Engine Cooling Parts. We have 3 FELPRO Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $2.99 and an average cost of $7.32, you’ll find the perfect Engine Cooling Part for your needs and budget. FELPRO Engine Cooling Parts for the 2021 Ford Mustang come highly rated, with over 16 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 $10.99
(4)
Engine Coolant Thermostat Gasket
“What can I say? It’s a rubber gasket and it works fine.”
Engine Water Pump Gasket
from $7.99
(11)
Engine Water Pump Gasket
“Perfect fit !”
Multi-Purpose O-Ring
from $2.99
(1)
Multi-Purpose O-Ring
“Always the right part”

Top-Quality Carquest Premium 2021 Ford Mustang Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2021 Ford Mustang, Advance Auto Parts offers a great selection of Carquest Premium Engine Cooling Parts. With 1 Carquest Premium 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 $131.99, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.4 stars, Carquest Premium Engine Cooling Parts provide both reliability and excellent performance. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Engine Water Pump: New, Gasket/Seals Included
from $131.99
(3)
Engine Water Pump: New, Gasket/Seals Included
“Excelente”

FAQs for 2021 Ford Mustang Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2021 Ford Mustangs?

Out of 35 Engine Cooling Parts that fit 2021 Ford Mustangs, the following parts are the top sellers:

What’s the price range for 2021 Ford Mustang Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2021 Ford Mustang range from $2.99 up to $352.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2021 Ford Mustang?

The average price for Engine Cooling Parts for the 2021 Ford Mustang is $75.48. 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 Ford Mustang model years?

Yes, we carry Engine Cooling Parts for 55 model years of Ford Mustangs between 1964 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 Ford Mustang?

The cheapest 2021 Ford Mustang Engine Cooling Parts we carry are:

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

What are the top-rated Engine Cooling Parts that fit the 2021 Ford Mustang?

The one 2021 Ford Mustang Engine Cooling Part we have in stock is the Multi-Purpose O-Ring. It is rated 5 stars and costs $2.99.

What types of Engine Cooling Parts do you sell for my 2021 Ford Mustang?

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

Can I get help with 2021 Ford Mustang 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 Ford Engine Cooling Parts and more.

What is your return policy for Ford Mustang Engine Cooling Parts?

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

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