F150 Thermostats – OEM-Quality Cooling Control for 2025 Ford Trucks

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Keep Your Engine Cool with a New 2025 F150 Thermostat

Your 2025 Ford F-150’s thermostat plays a critical role in maintaining the right engine temperature. A malfunctioning thermostat can lead to overheating, poor fuel efficiency, and engine damage.

These OEM-quality thermostats are built to open and close at precise temperatures, ensuring optimal coolant flow to regulate heat and keep your F-150 performing at its best—whether you're towing, off-roading, or commuting.

Thermostat

Part Number: ML3Z-8575-A
Ford Ford
Notes: Included with thermostat housing.
Applications: 3.5L.
Other Names: Thermostat, Thermostat Assembly, rt1250
Description: Expedition, Navigator. F-150. 2021-23. 3.5L.
Fits:
  • Ford:
    • Expedition,
    • F-150
  • Lincoln:
    • Navigator
MSRP $47.09
$30.30

Thermostat Housing

Part Number: KR3Z-8592-A
Ford Ford
Applications: 5.2L GT500.
Other Names: Thermostat Housing, Water Inlet, Connection Water Inlet, rh282
Description: With supercharger, main. F-150. Mustang. 5.2L.
Fits:
  • Ford:
    • F-150,
    • Mustang
MSRP $391.67
$272.60

Thermostat Housing

Part Number: ML3Z-8A586-C
Ford Ford
Notes: Includes Thermostat, Gasket, And Housing. Includes Water Outlet, Thermostat And Gaskets.
Applications: 3.5L.
Other Names: Engine Coolant Thermostat Kit, Connection Water Outlet, rh308
Replaces: ML3Z-8A586-A, RH-303
Description: F-150. Expedition, Navigator. 2021-23. 3.5L.
Fits:
  • Ford:
    • Expedition,
    • F-150
  • Lincoln:
    • Navigator
MSRP $330.00
$229.68

Thermostat Housing

Part Number: BL3Z-8A586-F
Ford Ford
Notes: Includes Water Outlet, Thermostat And Gaskets.
Applications: 5.0L.
Other Names: Connection Water Outlet
Replaces: BL3Z-8A586-A, BL3Z-8A586-C, BL3Z-8A586-D, BL3Z-8A586-E, BL3Z-8A586-FA
Description: F150. 5.0L, main, single alternator. F-150. Without power converter.
Fits:
  • Ford:
    • F-150
MSRP $197.18
$137.24

Thermostat Outlet

Part Number: BR3Z-18599-A
Ford Ford
Notes: Included with thermostat housing.
Applications: 5.0L. 5.2L GT350, GT350R.
Other Names: Water Inlet, Water Outlet, Inlet Connector, Thermostat Cover, Connection Water Inlet
Description: F150. 5.0L, main, single alternator. Mustang. Without supercharger. Manual transmission. With high output.
Fits:
  • Ford:
    • F-150,
    • Mustang
MSRP $60.00
$34.80

Thermostat Gasket

Part Number: BR3Z-8255-A
Ford Ford
Notes: Included with water manifold. Included with thermostat housing.
Applications: 3.5L. 5.0L. 2.5L. 3.3L Gas. 2.7L & 3.0L. 3.0L Diesel. 3.3L Hybrid. 2.0L W/HYBRID. 5.2L GT350, GT350R.
Other Names: Thermostat Gasket, Gasket, Engine Coolant Thermostat Housing Seal, Thermostat Seal, Thermostat Housing Gasket, Thermostat Cover...
Fits:
  • Ford:
    • Bronco,
    • C-Max,
    • Edge,
    • Escape,
    • Expedition,
    • Explorer,
    • F-150,
    • Fusion,
    • Maverick,
    • Mustang,
    • Police Interceptor Utility,
    • Police Responder Hybrid,
    • Ranger,
    • SSV Plug-In Hybrid,
    • Transit-150,
    • Transit-250,
    • Transit-350,
    • Transit-350 HD
  • Lincoln:
    • Aviator,
    • Continental,
    • Corsair,
    • MKX,
    • MKZ,
    • Nautilus,
    • Navigator
MSRP $3.53
$2.27

Thermostat Outlet

Part Number: ML3Z-8592-A
Ford Ford
Notes: Included with thermostat housing.
Applications: 3.5L.
Other Names: Water Outlet, Thermostat Outlet, Connection Water Outlet, rh304
Description: F-150. 2021-23. 3.5L.
Fits:
  • Ford:
    • Expedition,
    • F-150
  • Lincoln:
    • Navigator
MSRP $70.00
$48.72

Thermostat Housing

Part Number: ML3Z-8A586-B
Ford Ford
Notes: Includes Water Outlet, Thermostat And Gaskets.
Applications: 5.0L.
Other Names: Connection Water Outlet, rh306
Description: 5.0L, main, dual alternator. F-150. With power converter. Power inverter #2.
Fits:
  • Ford:
    • F-150
MSRP $1,837.70
$1,234.93

Thermostat Gasket

Part Number: HL3Z-8255-A
Ford Ford
Notes: Included with thermostat housing.
Applications: 3.5L. 2.3L. 2.0L.
Other Names: Gasket, Engine Coolant Thermostat Gasket, Thermostat O-Ring, Seal Thermostat, rg640
Fits:
  • Ford:
    • Bronco,
    • Bronco Sport,
    • Edge,
    • Escape,
    • Expedition,
    • Explorer,
    • F-150,
    • Maverick,
    • Ranger
  • Lincoln:
    • Corsair,
    • Nautilus,
    • Navigator
MSRP $10.45
$6.73

Thermostat Housing Gasket

Part Number: HL3Z-8507-D
Ford Ford
Notes: Included with thermostat housing.
Other Names: Thermostat Housing O-Ring, Engine Coolant Thermostat Housing Gasket, Gasket Water Pump
Description: O-Ring. Left. 2017-20. 2021-23. 3.5L.
Fits:
  • Ford:
    • Expedition,
    • F-150,
    • GT
  • Lincoln:
    • Navigator
MSRP $21.67
$15.21

Thermostat Housing Bolt

Part Number: W500100-S437
Ford Ford
Notes: Included with Supercharger. Included with thermostat unit.
Other Names: Thermostat Unit Screw, Cover Bolt, Intake Cover Bolt, Inter-Cooler Bolt, Tube Assembly Bolt, Bolt
Description: 1.0L. With supercharger. 5.2L.
Fits:
  • Ford:
    • EcoSport,
    • F-150,
    • Fiesta,
    • Focus,
    • Mustang
MSRP $12.00
$7.02

Thermostat Housing Bolt

Part Number: W713197-S437
Ford Ford
Other Names: Tube Assembly Bolt, Water Pipe Bolt, Thermostat Housing Upper Bolt, Thermostat Unit Bolt, Engine Coolant Thermostat Housing Bolt,...
Fits:
  • Ford:
    • Edge,
    • Expedition,
    • Explorer,
    • F-150,
    • Mustang,
    • Police Interceptor Sedan,
    • Police Interceptor Utility,
    • Taurus
  • Lincoln:
    • MKZ,
    • Navigator
MSRP $6.75
$3.95
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Why Choose OEM Thermostats?

OEM Fitment – Designed for factory specifications to ensure precise performance. 

Prevents Failures – Maintains optimal operation and longevity. 

Durable Construction – Made from high-quality, corrosion-resistant materials. 

Efficient Operation – Ensures proper function and system protection. 

Easy Installation – Direct bolt-on replacement with no modifications required.

Compatible with the 2025 Ford F-150

Fits a wide range of 2025 F-150 trims and engine options, including: XL, XLT, Lariat, King Ranch, Platinum, Tremor, and Raptor with engines such as 2.7L EcoBoost, 3.5L EcoBoost, and 5.0L V8. 

📌 Verify your engine configuration to select the correct thermostat type and temperature rating.

How to Replace a 2025 F150 Thermostat

Replacing a faulty thermostat helps prevent engine overheating and improves efficiency.

Tools Required: 

✔ Socket wrench set 

✔ Drain pan 

✔ Gasket scraper 

✔ Coolant 

✔ Torque wrench

Steps:

  1. Allow engine to cool, then drain some coolant from the system.

  2. Locate and remove the thermostat housing near the upper radiator hose.

  3. Remove the old thermostat and clean the gasket surface.

  4. Install the new thermostat with the correct orientation.

  5. Reassemble housing, refill coolant, and bleed air from the system.

🛠️ Tip: Always replace the gasket or O-ring when installing a new thermostat.

Signs Your Thermostat Needs Replacement

🔹 Engine overheating or underheating 

🔹 Fluctuating temperature gauge 

🔹 Heater blowing cold air 

🔹 Coolant leaks near the housing 

🔹 Reduced fuel efficiency

A faulty thermostat can affect performance and lead to expensive repairs—replace it early for peace of mind.

2025 F150 Thermostat Options

🔹 OEM Replacement Thermostats – Designed for factory performance and fit. 

🔹 High-Performance Thermostats – Open at lower temps for tuned or heavy-duty applications. 

🔹 Complete Thermostat Kits – Includes housing, gasket, and sensor when applicable.

Popular Related Parts for 2025 Ford F-150

🔹 F150 Radiators – Ensure optimal cooling with a clean, efficient radiator. 

🔹 F150 Water Pumps – Keep coolant flowing and avoid overheating. 

🔹 F150 Coolant Temperature Sensors – Restore accurate temp readings and fan activation.

Get Your 2025 F150 Thermostat Today!

Protect your engine and restore cooling efficiency with a direct-fit OEM thermostat for your 2025 Ford F-150. Browse top-rated options and enjoy confident performance in every climate. 

🛒 Upgrade Your Ride 🚙 – Shop Now!

FAQs About 2025 Ford F-150 Thermostats

❓ How long does a thermostat last in an F-150? Typically 80,000–100,000 miles, but it can fail sooner due to overheating or corrosion.

❓ Can I drive with a bad thermostat? It’s risky—your engine can overheat or run inefficiently. Replace it as soon as symptoms appear.

❓ Should I replace the thermostat when changing coolant? It’s a good preventative step, especially if your truck has over 75,000 miles.

❓ How do I know if the thermostat is stuck? Symptoms include overheating, fluctuating temps, or no heat from the vents.

❓ Do thermostats come with gaskets? Many include a gasket or O-ring, but check the listing to confirm or order separately.