Mustang Thermostats – OEM-Quality Cooling Control for 2016 Ford Models

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Protect Your Engine with a New 2016 Mustang Thermostat

Your 2016 Ford Mustang relies on a thermostat to regulate engine temperature and ensure consistent cooling. When the thermostat sticks open or closed, it can cause overheating, poor fuel efficiency, or engine wear.

These OEM-quality thermostats are engineered to open at the correct temperature and restore proper coolant flow. Whether you drive a V6, EcoBoost, or GT V8, upgrading your thermostat helps maintain performance, protect your engine, and keep your Mustang running at its best.

Thermostat

Part Number: BR3Z-8575-G
Ford Ford
Notes: Included with thermostat housing.
Applications: 5.0L. 3.0L. 5.2L GT500. 5.2L GT350, GT350R.
Other Names: Thermostat, Thermostat Assembly, rt1258
Replaces: BR3Z-8575-A, BR3Z-8575-D, RT-1208, RT-1225
Description: Mustang. 5.0L. Explorer. Without supercharger. Continental. Manual transmission. 3.0L with hybrid, main. Police Interceptor Utility....
Fits:
  • Ford:
    • Explorer,
    • Mustang,
    • Police Interceptor Utility
  • Lincoln:
    • Aviator,
    • Continental
MSRP $40.18
$25.86

Thermostat Housing

Part Number: BL3Z-8A586-G
Ford Ford
Notes: Includes Water Outlet, Thermostat, And Gaskets. Includes Housing Gasket (Lower), Thermostat, Thermostat Gasket And Water Outlet.
Applications: 3.5L. 3.7L. 3.3L Gas. 3.3L Hybrid.
Other Names: Engine Coolant Thermostat Kit, Thermostat Unit, Connection Water Outlet, rh309
Replaces: BL3Z-8592-C, BL3Z-8A586-B, BR3Z-8592-B, RH-244
Fits:
  • Ford:
    • Expedition,
    • Explorer,
    • F-150,
    • Mustang,
    • Police Interceptor Utility,
    • Transit-150,
    • Transit-250,
    • Transit-350,
    • Transit-350 HD
  • Lincoln:
    • Navigator
MSRP $205.00
$142.68

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 Unit

Part Number: FR3Z-8575-A
Ford Ford
Notes: Includes Gasket And Thermostat Housing.
Applications: 2.3L. 2.0L W/O HYBRID.
Other Names: Thermostat, Thermostat Housing, Thermostat Assembly, rt1233
Fits:
  • Ford:
    • Edge,
    • Escape,
    • Explorer,
    • Focus,
    • Fusion,
    • Mustang,
    • Transit Connect
  • Lincoln:
    • MKC,
    • MKZ
MSRP $57.45
$36.66

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 Housing

Part Number: BR3Z-8A586-N
Ford Ford
Notes: Includes Water Outlet, Thermostat And Gaskets.
Applications: 5.0L. 5.2L GT350, GT350R.
Other Names: Thermostat Housing, Connection Water Outlet, rh298
Replaces: BR3Z-8592-A, BR3Z-8A586-K, BR3Z-8A586-L, BR3Z-8A586-M
Description: Mustang. 5.0L. Without supercharger. Automatic transmission. With high output.
Fits:
  • Ford:
    • Mustang
MSRP $256.67
$178.64

Thermostat Outlet

Part Number: BR3Z-8592-Q
Ford Ford
Notes: Included with thermostat housing.
Applications: 3.5L. 3.7L. 3.3L Gas. 3.3L Hybrid.
Other Names: Water Outlet, Engine Coolant Thermostat Housing, Outlet Tube, Connection Water Outlet, rh226
Fits:
  • Ford:
    • Expedition,
    • Explorer,
    • F-150,
    • Mustang,
    • Police Interceptor Utility,
    • Transit-150,
    • Transit-250,
    • Transit-350,
    • Transit-350 HD
  • Lincoln:
    • Navigator
MSRP $256.67
$178.64

Motorcraft™ Thermostat

Part Number: RT-1233
Ford Ford
Notes: Includes Gasket And Thermostat Housing.
Applications: 2.3L. 2.0L W/O HYBRID.
Other Names: Motorcraft™ Engine Coolant Thermostat Kit, Motorcraft™ Thermostat Housing, Motorcraft™ Thermostat Unit, Thermostat Assembly
Fits:
  • Ford:
    • Edge,
    • Escape,
    • Explorer,
    • Focus,
    • Fusion,
    • Mustang,
    • Transit Connect
  • Lincoln:
    • MKC,
    • MKZ
MSRP $57.45
$36.66

Motorcraft™ Thermostat

Part Number: RT-1255
Ford Ford
Notes: Included with thermostat housing.
Applications: 3.7L. 3.5L. 3.3L Gas. 3.3L Hybrid.
Other Names: Motorcraft™ Engine Coolant Thermostat, Thermostat Assembly
Fits:
  • Ford:
    • Expedition,
    • Explorer,
    • F-150,
    • Mustang,
    • Police Interceptor Utility,
    • Transit-150,
    • Transit-250,
    • Transit-350,
    • Transit-350 HD
  • Lincoln:
    • Navigator
MSRP $37.45
$24.10

Engine Coolant Thermostat

Part Number: BL3Z-8575-B
Ford Ford
Notes: Included with thermostat housing.
Applications: 3.7L. 3.5L. 3.3L Gas. 3.3L Hybrid.
Other Names: Thermostat, Thermostat Assembly, rt1255
Replaces: BL3Z-8575-A, RT-1213
Fits:
  • Ford:
    • Expedition,
    • Explorer,
    • F-150,
    • Mustang,
    • Police Interceptor Utility,
    • Transit-150,
    • Transit-250,
    • Transit-350,
    • Transit-350 HD
  • Lincoln:
    • Navigator
MSRP $37.45
$24.10

Thermostat Housing Bolt

Part Number: W714841-S437
Ford Ford
Other Names: Engine Coolant Thermostat Housing Bolt, Thermostat Unit Mount Bolt, Bolt
Description: 3.7L. 3.5L non turbo. 3.5L with turbo, to 09/25/2016. 2015-17. 3.3L, main. 3.5L without turbo.
Fits:
  • Ford:
    • Expedition,
    • Explorer,
    • F-150,
    • Mustang,
    • Police Interceptor Utility,
    • Transit-150,
    • Transit-250,
    • Transit-350,
    • Transit-350 HD
  • Lincoln:
    • Navigator
MSRP $8.00
$4.68

Motorcraft™ Thermostat

Part Number: RT-1258
Ford Ford
Notes: Included with thermostat housing.
Applications: 5.0L. 3.0L. 5.2L GT500. 5.2L GT350, GT350R.
Other Names: Motorcraft™ Engine Coolant Thermostat, Thermostat Assembly
Description: Mustang. Aviator. 5.0L. Explorer. Without supercharger. Continental. Manual transmission. 3.0L with hybrid, main. Police Interceptor...
Fits:
  • Ford:
    • Explorer,
    • Mustang,
    • Police Interceptor Utility
  • Lincoln:
    • Aviator,
    • Continental
MSRP $40.18
$25.86
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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 2016 Ford Mustang

These thermostats are compatible with the following engines: 3.7L V6, 2.3L EcoBoost I4, 5.0L V8 GT, and GT Premium 

📌 Confirm your engine type and temperature rating before purchasing to ensure a proper fit.

How to Replace a 2016 Mustang Thermostat

Replacing the thermostat is key to preventing overheating and improving efficiency.

Tools Required: 

✔ Socket wrench set 

✔ Drain pan 

✔ New gasket or O-ring 

✔ Coolant 

✔ Torque wrench

Steps:

  1. Allow the engine to cool completely.

  2. Drain coolant from the radiator or reservoir to below the thermostat housing.

  3. Remove the thermostat housing and take out the old thermostat.

  4. Clean the gasket surface thoroughly.

  5. Install the new thermostat with the correct orientation and gasket.

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

🛠️ Tip: Always replace the gasket or O-ring to prevent future leaks.

Signs of a Failing Thermostat

🔹 Engine overheating or running too cold 

🔹 Fluctuating temperature gauge 

🔹 Poor fuel economy or long warm-up time 

🔹 Heater blowing cold air 

🔹 Coolant leaks near the thermostat housing

Replacing a faulty thermostat early prevents engine damage and cooling system stress.

2016 Mustang Thermostat Options

🔹 OEM Replacement Thermostats – Perfect for factory-level performance. 

🔹 Performance Thermostats – Open at lower temperatures for tuned or high-demand applications. 

🔹 Complete Thermostat Kits – Includes housing, gasket, and temperature sensor if needed.

Popular Related Parts for 2016 Ford Mustang

🔹 Mustang Water Pumps – Keep coolant circulating efficiently. 

🔹 Mustang Radiators – Maintain consistent temperature with efficient heat dissipation. 

🔹 Mustang Temperature Sensors – Ensure accurate temperature readings and fan operation.

Get Your 2016 Mustang Thermostat Today!

Keep your Mustang’s engine protected and performing with a reliable, OEM-quality thermostat.


Browse direct-fit options for your engine type and drive confidently in all conditions. 

 🛒 Upgrade Your Ride 🚙 – Shop Now!

FAQs About 2016 Ford Mustang Thermostats

❓ How often should I replace the thermostat? Generally every 80,000–100,000 miles, or at the first sign of failure.

❓ Can I replace a thermostat myself? Yes. It’s a manageable job for DIYers with basic tools and coolant knowledge.

❓ Do I need to flush coolant when changing the thermostat? Not always, but it’s a good opportunity to replace old coolant and flush the system.

❓ What temperature should the thermostat open at? Most OEM thermostats open between 180°F and 195°F, depending on engine type.

❓ Are performance thermostats worth it? Yes—for modified Mustangs or track use, they can help manage heat more effectively.