2021 Ford F-150 Thermostats – OEM & Performance Cooling Solutions

2021 Ford F-150 Thermostats – Maintain Engine Temperature & Performance

Ensure your 2021 Ford F-150 runs at optimal temperatures with a high-quality thermostat. The thermostat regulates coolant flow, preventing overheating, engine damage, and poor fuel efficiency.

Choose from OEM replacement thermostats for factory performance or low-temperature thermostats for enhanced cooling in towing, off-road, high-performance, or extreme weather conditions.
W716205S437 - : Separator Bolt for Ford: Bronco, F-150, Ranger, Transit Connect Image

Separator Bolt

Ford W716205-S437
2.5L. 2.7L, main. 3.0L.
$0.32
MSRP $0.53
Save $0.21
39.6% Off
JL3Z8592A - : Water Inlet for Ford: F-150 Image

Water Inlet

Ford JL3Z-8592-A
F150. 3.0L, main. F-150.
$302.76
MSRP $435.00
Save $132.24
30.4% Off
BR3Z8255B - : Connector Pipe Gasket for Ford: F-150, Mustang Image

Connector Pipe Gasket

Ford BR3Z-8255-B
O-Ring. Outlet Flange. 5.0L, main, single alternator. 5.0L, main, dual alternator. Without supercharger. Automatic transmission. With...
$2.96
MSRP $4.60
Save $1.64
35.7% Off
W503279S437 - : Engine Cylinder Head Bolt for Ford: Edge, Expedition, Explorer, F-150, F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, Flex, Fusion, GT, Mustang, Police Interceptor Sedan, Police Interceptor Utility, Taurus, Transit-150, Transit-250, Transit-350, Transit-350 HD | Lincoln: Continental, MKS, MKT, MKX, MKZ, Navigator Image

Engine Cylinder Head Bolt

Ford W503279-S437
3.7L. 6.7L, 2020-22. 4.6L, 2007-09. Thermostat hsng,screw. 2021-23. 3.5L, m6x30mm. 6 x 30mm. All Required.
$2.34
MSRP $4.00
Save $1.66
41.5% Off
JL3Z8590A - : Gasket for Ford: F-150 Image

Gasket

Ford JL3Z-8590-A
F-150. Thermostat housing gasket. Preformed seal. 3.0L, main. Upper Housing to Cover.
$15.21
MSRP $21.67
Save $6.46
29.8% Off
RG631 - Belts & Cooling: Motorcraft™ Engine Coolant Outlet Gasket for Ford: F-150, Mustang Image

Motorcraft™ Engine Coolant Outlet Gasket

Ford RG-631
O-Ring. Outlet Flange. 5.0L, main, single alternator. 5.0L, main, dual alternator. Without supercharger. Manual transmission. With...
$2.96
MSRP $4.60
Save $1.64
35.7% Off
W500014S437 - : Engine Coolant Outlet Housing Bolt for Ford: EcoSport, Edge, Escape, Expedition, Explorer, F-150, Fiesta, Focus, Fusion, Maverick, Mustang, Police Interceptor Sedan, Police Interceptor Utility, Taurus, Transit-150, Transit-250, Transit-350, Transit-350 HD | Lincoln: Continental, Corsair, MKC, MKT, MKX, MKZ, Navigator | Mercury: Cougar, Mountaineer Image

Engine Coolant Outlet Housing Bolt

Ford W500014-S437
$2.34
MSRP $4.00
Save $1.66
41.5% Off
W503278S437 - : Genuine Ford Bolt for Ford: E-350 Super Duty, E-450 Super Duty, Edge, Expedition, Explorer, F-150, F-250 Super Duty, F-350 Super Duty, Flex, Fusion, Mustang, Police Interceptor Sedan, Police Interceptor Utility, Ranger, Taurus, Taurus X, Transit-150, Transit-250, Transit-350, Transit-350 HD | Lincoln: Continental, MKS, MKT, MKX, MKZ, Navigator | Mercury: Sable Image

Genuine Ford Bolt

Ford -W503278-S437
Sold Individually M6 x 27mm
$2.34
MSRP $4.00
Save $1.66
41.5% Off
NL3Z19C734B - : Temp Sensor for Ford: Expedition, F-150, F-150 Lightning, F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, F-550 Super Duty | Lincoln: Navigator Image

Temp Sensor

Ford NL3Z-19C734-B
$35.98
MSRP $56.40
Save $20.42
36.2% Off
W500214S437 - : Door Interior Trim Panel Bolt for Ford: Bronco, Bronco Sport, Edge, Escape, Explorer, F-150, Fiesta, Focus, Fusion, Maverick, Mustang, Police Interceptor Sedan, Police Responder Hybrid, Ranger, Special Service Police Sedan, SSV Plug-In Hybrid, Taurus, Transit Connect | Lincoln: Continental, Corsair, MKC, MKZ, Nautilus Image

Door Interior Trim Panel Bolt

Ford W500214-S437
Door Interior Trim Panel Bolt - Ford (W500214-S437) The Door Interior Trim Panel Bolt – Ford (W500214-S437) is a Genuine OEM...
$2.34
MSRP $4.00
Save $1.66
41.5% Off
W503283S437 - : Engine Oil Filter Adapter Bolt for Ford: Edge, Explorer, F-150, Fusion, Mustang, Police Interceptor Sedan, Police Interceptor Utility, Taurus | Lincoln: MKS, MKX, MKZ Image

Engine Oil Filter Adapter Bolt

Ford W503283-S437
5.0L, m6x1.00. 3.7L. 5.0L, main, single alternator, m6x27mm. 5.0L, m6x1.00mm. 3.5L turbo. From 1/16/09. To 1/15/09. 5.2L with...
$2.34
MSRP $4.00
Save $1.66
41.5% Off
YH2872 - HVAC: Motorcraft™ A/C Evaporator Temperature Sensor for Ford: Expedition, F-150, F-150 Lightning, F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, F-550 Super Duty | Lincoln: Navigator Image

Motorcraft™ A/C Evaporator Temperature Sensor

Ford YH-2872
$35.98
MSRP $56.40
Save $20.42
36.2% Off

No results found for "Thermostats". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!


Why Choose OEM 2021 Ford F-150 Thermostats?

OEM Fitment – Precision-engineered for a direct fit on your F-150’s cooling system

Prevents Overheating – Maintains optimal engine temperature for efficiency. 

Durable Construction – Made from high-quality materials for long-lasting reliability

Improves Efficiency – Ensures proper fuel combustion and engine longevity. 

Easy InstallationDirect bolt-on replacement with no modifications required.

Compatible 2021 Ford F-150 Models

These OEM and performance thermostats fit: 

🚙 2021 Ford F-150 XL, XLT, Lariat, King Ranch, Platinum, Limited, and Raptor models 

🚙 Compatible with 2.7L EcoBoost, 3.3L Ti-VCT V6, 3.5L EcoBoost, 5.0L V8, and 3.0L Power Stroke Diesel engines 

🚙 Designed for standard and high-performance cooling systems 

🚙 Check your engine type and cooling system to confirm correct fitment.

How to Replace a 2021 Ford F-150 Thermostat

Replacing a failing thermostat prevents engine overheating and ensures reliable cooling performance. Follow these steps for installation:

Tools Required:

✔ Coolant catch pan 

✔ Socket wrench set 

✔ Gasket scraper 

✔ Torque wrench 

✔ New coolant

Step-by-Step Installation Guide:

  1. Drain the Coolant – Place a pan under the radiator and drain the coolant.

  2. Locate the Thermostat Housing – Follow the upper radiator hose to find the housing.

  3. Remove the Old Thermostat – Unbolt the housing and take out the old thermostat.

  4. Clean the Housing Surface – Remove any gasket residue to ensure a proper seal.

  5. Install the New Thermostat – Position it correctly and secure the housing.

  6. Refill & Bleed the Cooling System – Refill with fresh coolant and remove air pockets by running the engine.

💡 Pro Tip: Always use Ford-approved coolant to maintain optimal cooling system performance.

Signs You Need to Replace Your 2021 Ford F-150 Thermostat

🚙 Engine overheating or running too cool 

🚙 Fluctuating temperature gauge while driving 

🚙 Coolant leaks near the thermostat housing 

🚙 Poor fuel efficiency due to incorrect temperature regulation 

🚙 Check Engine Light illuminated with cooling system codes

A failing thermostat can cause serious engine damage—replace it before issues arise!

2021 Ford F-150 Thermostat Options: Choosing the Right Type

🔹 OEM Replacement Thermostat – Ideal for stock cooling performance and daily driving. 

🔹 Low-Temperature Thermostat (170°F-180°F) – Designed for performance applications, towing, and extreme climates.

 🔹 High-Flow Thermostat – Allows faster coolant circulation for enhanced heat dissipation.

Popular Related Parts for 2021 Ford F-150

🔹 2021 Ford F-150 Radiator – Ensure efficient cooling with a high-quality radiator. 

🔹 2021 Ford F-150 Water Pump – Maintain proper coolant flow for temperature regulation. 

🔹 2021 Ford F-150 Coolant Temperature Sensor – Monitor accurate engine temperature readings.

Upgrade Your Ride 🚙 – Shop Now!

Keep your 2021 Ford F-150’s engine running at peak efficiency with a reliable thermostat. Order your replacement today and prevent overheating issues!

FAQs About 2021 Ford F-150 Thermostats

How long do Ford F-150 thermostats last? Most thermostats last 60,000 to 100,000 miles, but should be replaced if symptoms of failure appear.

Can I replace my F-150’s thermostat myself? Yes! With basic tools and mechanical knowledge, thermostat replacement is a manageable DIY job.

What happens if my thermostat gets stuck open or closed?

  • Stuck open – Engine runs too cool, reducing efficiency and increasing emissions.

  • Stuck closed – Engine overheats, leading to potential damage.

Do I need to flush my coolant when replacing the thermostat? Yes, replacing the thermostat is a great time to flush old coolant and refill with fresh fluid.

What temperature thermostat should I use for my F-150?

  • OEM (Stock, ~195°F) – Ideal for daily driving and factory performance.

  • Low-Temp (170°F-180°F) – Best for performance applications, off-road use, and towing.