Ford Bronco Thermostats – OEM-Quality Engine Cooling

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Ford Bronco Thermostats – High-Quality Performance & OEM Parts

Keep your Ford Bronco’s engine operating at the optimal temperature with OEM-quality thermostats designed for precise temperature regulation and efficient cooling. Whether you’re replacing a worn thermostat or upgrading to handle towing, off-roading, or performance mods, these thermostats help prevent overheating and cold running, ensuring peak engine performance.

Made from stainless steel and corrosion-resistant brass, these thermostats are built to withstand extreme heat and pressure, delivering reliable performance in city traffic, on rugged trails, or during long-distance towing.

Thermostat

Part Number: LB5Z-8575-C
Ford Ford
Notes: Includes Thermostat Gasket.
Applications: 2.3L.
Other Names: Thermostat Assembly
Replaces: LB5Z-8575-B
Description: 2.3L. Bronco. 2020-24. Explorer. To 5/13/2024. Ranger. 2025.
Fits:
  • Ford:
    • Bronco,
    • Explorer,
    • Ranger
MSRP $46.36
$29.84

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 Gasket

Part Number: E6TZ-8255-B
Ford Ford
Applications: 4.9L.
Other Names: Engine Coolant Thermostat Gasket, Gasket, rg560
Description: E150-350 vans.
Fits:
  • Ford:
    • Bronco,
    • E-150 Econoline,
    • E-150 Econoline Club Wagon,
    • E-250 Econoline,
    • E-250 Econoline Club Wagon,
    • E-350 Econoline,
    • E-350 Econoline Club Wagon,
    • F-150,
    • F-250,
    • F-350
MSRP $11.36
$7.31

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

Engine Coolant Thermostat

Part Number: BR3Z-8575-F
Ford Ford
Notes: Included with water manifold. Included with thermostat housing.
Applications: 5.0L. 2.7L & 3.0L. 3.0L Diesel.
Other Names: Thermostat Assembly, rt1251
Replaces: BR3Z-8575-C, BR3Z-8575-E, RT-1217, RT-1227
Description: Engine Coolant Thermostat – Ford (BR3Z-8575-F) The Engine Coolant Thermostat – Ford (BR3Z-8575-F) is a Genuine Ford OEM cooling...
Fits:
  • Ford:
    • Bronco,
    • Edge,
    • F-150,
    • Fusion,
    • Ranger
  • Lincoln:
    • Continental,
    • MKX,
    • MKZ,
    • Nautilus
MSRP $35.60
$22.91

Motorcraft™ Thermostat

Part Number: RT-1251
Ford Ford
Notes: Included with water manifold. Included with thermostat housing.
Applications: 5.0L. 2.7L & 3.0L. 3.0L Diesel.
Other Names: Motorcraft™ Engine Coolant Thermostat, Thermostat Assembly
Fits:
  • Ford:
    • Bronco,
    • Edge,
    • F-150,
    • Fusion,
    • Ranger
  • Lincoln:
    • Continental,
    • MKX,
    • MKZ,
    • Nautilus
MSRP $35.60
$22.91

Engine Coolant Thermostat Housing

Part Number: K2GZ-8592-A
Ford Ford
Notes: Includes Thermostat And Gasket For 2015-2017 Models.
Applications: 2.3L. 2.0L.
Other Names: Thermostat Outlet, Water Outlet, Thermostat Housing, Connection Water Inlet, rh270
Fits:
  • Ford:
    • Bronco,
    • Bronco Sport,
    • Edge,
    • Escape,
    • Explorer,
    • Maverick,
    • Ranger
  • Lincoln:
    • Corsair,
    • Nautilus
MSRP $51.67
$35.96

Motorcraft™ Thermostat Gasket

Part Number: RG-640
Ford Ford
Notes: Included with thermostat housing.
Applications: 3.5L. 2.3L. 2.0L.
Other Names: Motorcraft™ Engine Coolant Thermostat Gasket, Motorcraft™ Gasket, Motorcraft™ Thermostat O-Ring, Motorcraft™ Engine Coolant Thermostat...
Fits:
  • Ford:
    • Bronco,
    • Bronco Sport,
    • Edge,
    • Escape,
    • Expedition,
    • Explorer,
    • F-150,
    • Maverick,
    • Ranger
  • Lincoln:
    • Corsair,
    • Nautilus,
    • Navigator
MSRP $10.45
$6.73

Motorcraft™ Engine Coolant Thermostat Housing

Part Number: RH-307
Ford Ford
Applications: 2.7L. 3.0L.
Other Names: Motorcraft™ Water Outlet, Motorcraft™ Thermostat Outlet, Motorcraft™ Thermostat Housing, Connection Water Inlet
Description: Bronco. F-150. 2.7L. Water outlet. 3.0L. Ranger.
Fits:
  • Ford:
    • Bronco,
    • F-150,
    • Ranger
MSRP $243.33
$169.36

Motorcraft™ Engine Coolant Thermostat Gasket

Part Number: RG-560
Ford Ford
Applications: 4.9L.
Other Names: Motorcraft™ Thermostat Gasket, Gasket
Description: E150-350 vans.
Fits:
  • Ford:
    • Bronco,
    • E-150 Econoline,
    • E-150 Econoline Club Wagon,
    • E-250 Econoline,
    • E-250 Econoline Club Wagon,
    • E-350 Econoline,
    • E-350 Econoline Club Wagon,
    • F-150,
    • F-250,
    • F-350
MSRP $11.36
$7.31

Motorcraft™ Engine Coolant Thermostat Housing

Part Number: RH-270
Ford Ford
Notes: Includes Thermostat And Gasket For 2015-2017 Models.
Applications: 2.3L. 2.0L.
Other Names: Motorcraft™ Thermostat Outlet, Motorcraft™ Water Outlet, Motorcraft™ Thermostat Housing, Motorcraft™ Engine Coolant Outlet Flange,...
Fits:
  • Ford:
    • Bronco,
    • Bronco Sport,
    • Edge,
    • Escape,
    • Explorer,
    • Maverick,
    • Ranger
  • Lincoln:
    • Corsair,
    • Nautilus
MSRP $51.67
$35.96

Motorcraft™ Engine Coolant Thermostat Gasket

Part Number: RG-605
Ford Ford
Applications: 5.0L, 5.8L, 7.5L.
Other Names: Motorcraft™ Thermostat Gasket, Motorcraft™ Gasket, Gasket
Description: Explorer, Mountaineer. 5.0l.
Fits:
  • Ford:
    • Bronco,
    • Country Squire,
    • E-150 Econoline,
    • E-150 Econoline Club Wagon,
    • E-250 Econoline,
    • E-250 Econoline Club Wagon,
    • E-350 Econoline,
    • E-350 Econoline Club Wagon,
    • Econoline Super Duty,
    • Explorer,
    • F-150,
    • F-250,
    • F-250 HD,
    • F-350,
    • LTD,
    • LTD Crown Victoria,
    • Mustang,
    • Thunderbird
  • Lincoln:
    • Continental,
    • Mark VII,
    • Town Car
  • Mercury:
    • Capri,
    • Colony Park,
    • Cougar,
    • Grand Marquis,
    • Mountaineer
MSRP $11.36
$7.31
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Why Choose OEM Ford Bronco Thermostats?

OEM Fitment – Matches factory cooling system specifications for seamless compatibility. 

Prevents Overheating & Cold Running – Regulates coolant flow to maintain ideal engine temperature

Durable Construction – Crafted from stainless steel and corrosion-resistant materials for longevity. 

Efficient Cooling System Operation – Ensures proper coolant circulation to protect engine components

Easy Installation – Direct bolt-on replacement, requiring no modifications.

Compatible Ford Bronco Models

These OEM thermostats fit a wide range of Ford Bronco models, including:

  • Ford Bronco (2021–2024)

Confirm your engine type (2.3L EcoBoost, 2.7L EcoBoost) and cooling system configuration for precise fitment.

How to Install Ford Bronco Thermostats

Replacing a faulty thermostat helps prevent overheating, engine wear, and reduced performance. Follow this step-by-step guide for installation:

Tools Required:

✔ Socket wrench set 

✔ Coolant drain pan 

✔ Gasket scraper or sealant 

✔ Torque wrench 

✔ Fresh coolant

Step-by-Step Installation Guide:

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

  2. Locate the Thermostat Housing – Typically found near the upper radiator hose connection.

  3. Remove Old Thermostat – Unbolt the housing and remove the thermostat and gasket.

  4. Clean the Surface – Remove any old gasket material to ensure a tight seal.

  5. Install New Thermostat – Place the new thermostat (spring facing the engine) with a new gasket.

  6. Reassemble & Refill Coolant – Bolt the housing back, refill the cooling system, and check for leaks.

  7. Bleed Air & Test – Start the engine, turn the heater to full, and monitor for proper temperature control.

Pro Tip: Always use Ford-approved coolant to maximize system lifespan and performance.

Signs You Need to Replace Your Ford Bronco Thermostat

🚙 Overheating engine, even in normal driving conditions

🚙 Fluctuating or stuck temperature gauge

🚙 Coolant leaks around the thermostat housing

🚙 Poor cabin heating performance

🚙 Check Engine Light with temperature-related codes.

Types of Ford Bronco Thermostats

🔹 OEM Replacement Thermostats – Matches factory specs for reliable everyday performance

🔹 Low-Temperature Thermostats – Ideal for towing, off-roading, or turbocharged setups, allowing your engine to run slightly cooler. 

🔹 High-Flow Thermostats – Designed for performance builds, increasing coolant flow under extreme conditions.

Popular Related Parts for Ford Bronco

🔹 Ford Bronco Radiators – Upgrade to high-capacity radiators for increased cooling performance. 

🔹 Ford Bronco Water Pumps – Ensure consistent coolant circulation with OEM-quality water pumps

🔹 Ford Bronco Cooling Fans – Improve airflow with performance electric fans.

Get Your Ford Bronco Thermostat Today!

Protect your Bronco’s engine from overheating or cold running with OEM-quality thermostats designed for durability and precision. Browse our collection and order your replacement today.

🛒 Upgrade Your Ride 🚙 – Shop Now!

FAQs About Ford Bronco Thermostats

❓ How often should I replace my Ford Bronco thermostat? Thermostats typically last 60,000 to 100,000 miles, but replacing them during major cooling system services is recommended.

❓ What temperature thermostat is best for off-roading? For serious off-road use, a low-temperature thermostat can help keep coolant temperatures lower under stress.

❓ Can I install a Ford Bronco thermostat myself? Yes! With basic tools and a bit of mechanical skill, it’s a manageable DIY project.

❓ Should I flush my coolant when replacing the thermostat? Yes, flushing the cooling system removes contaminants and ensures the new thermostat functions correctly.

❓ What happens if I ignore a failing thermostat? A stuck thermostat can cause severe overheating, leading to blown head gaskets, warped cylinder heads, or engine failure.