2024 Ford Bronco Thermostats – Keep Your Engine Running at Optimal Temperature with OEM Precision

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Bronco Thermostats 2024 – Accurate Cooling for On-Road and Off-Road Confidence

Your 2024 Ford Bronco’s engine relies on a precise thermostat to regulate coolant flow and maintain ideal operating temperatures. A faulty thermostat can lead to engine overheating, poor cabin heating, or fuel inefficiency—especially under load, towing, or rough driving conditions.

OEM thermostats are built to Ford’s factory specifications for temperature control, seal integrity, and flow rate. Designed to open at exactly the right time, they help your engine warm up quickly and stay within a safe operating range—protecting your engine and improving performance in all driving scenarios.

If your Bronco is running too hot or too cold, it may be time to install a new OEM thermostat.

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: 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 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

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

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

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™ Engine Coolant Thermostat Gasket

Part Number: RG-630
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: Motorcraft™ Thermostat Gasket, Motorcraft™ Engine Coolant Thermostat O-Ring, Motorcraft™ Engine Coolant Thermostat Housing Seal,...
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

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 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

Water Outlet

Part Number: ML3Z-8592-C
Ford Ford
Applications: 2.7L. 3.0L.
Other Names: Thermostat Outlet, Thermostat Housing, Connection Water Inlet, rh307
Description: Bronco. 2.7L, main. F-150. 3.0L. Ranger.
Fits:
  • Ford:
    • Bronco,
    • F-150,
    • Ranger
MSRP $243.33
$169.36

Separator Bolt

Part Number: W716205-S437
Ford Ford
Other Names: Water Outlet Bolt, Thermostat Outlet Bolt, Thermostat Housing Bolt, Engine Coolant Thermostat Housing Bolt, Bolt Hex.Head
Description: 2.5L. 2.7L, main. 3.0L.
Fits:
  • Ford:
    • Bronco,
    • F-150,
    • Ranger,
    • Transit Connect
MSRP $0.53
$0.32
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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 Ford Bronco Trims These OEM thermostats fit the following 2024 Ford Bronco models:

  • Bronco Base

  • Bronco Big Bend

  • Bronco Black Diamond

  • Bronco Outer Banks

  • Wildtrak and Badlands

  • Bronco Raptor (use Raptor-specific temperature ratings and housing)

  • 4WD and select RWD trims

Thermostat temperature range and housing style may vary depending on engine size and configuration. Always confirm fitment using your VIN or OE part number.

Signs Your 2024 Bronco Needs a New Thermostat

🚙 Engine overheating or fluctuating temperature readings 

🚙 Weak or inconsistent cabin heat 

🚙 Engine taking too long to reach operating temperature 

🚙 Coolant leaking around the thermostat housing 

🚙 Poor fuel economy or emissions issues

Replacing a malfunctioning thermostat helps protect your engine and ensures all systems run efficiently.

How to Replace a Thermostat on a 2024 Ford Bronco

A straightforward service task for experienced DIYers or a quick job for a professional technician.

Tools Needed: 

✔ Socket and ratchet set 

✔ Drain pan 

✔ Gasket scraper 

✔ Torque wrench 

✔ New gasket or O-ring (if not included with thermostat) 

✔ OEM-approved coolant

Steps to Install:

  1. Let Engine Cool Completely – Open coolant reservoir cap only when safe.

  2. Drain Coolant – Use a drain pan and capture old coolant.

  3. Remove Thermostat Housing – Unbolt to access the thermostat.

  4. Install New OEM Thermostat – Ensure correct orientation and tight seal.

  5. Refill Coolant and Bleed System – Remove air pockets and verify proper temperature control.

Popular Related Parts for 2024 Bronco 

🔹 2024 Bronco Water Pump – Maintains coolant circulation through engine 

🔹 2024 Bronco Radiator – Supports efficient cooling and heat transfer 

🔹 2024 Bronco Radiator Hoses – Replace if soft, cracked, or leaking 

🔹 2024 Bronco Coolant Temperature Sensor – Sends accurate readings to ECU 

🔹 2024 Bronco Thermostat Housing – Replace if corroded, warped, or leaking

Get Your 2024 Bronco Thermostat Today! Protect your engine and maintain top performance with an OEM thermostat engineered specifically for your Bronco.

🛒 Stay Cool – Shop Genuine OEM Thermostats Now!

FAQs About 2024 Ford Bronco Thermostats

What temperature does the OEM thermostat open at? Typically 195°F (90°C), but verify exact rating for your engine configuration.

Should I replace the gasket when replacing the thermostat? Yes—always use a new gasket or O-ring to prevent leaks.

Do I need to flush the coolant when replacing the thermostat? Not always, but it's recommended if the coolant is old, contaminated, or has never been changed.

Can a stuck-open thermostat cause issues? Yes—it can prevent the engine from reaching optimal temperature, leading to poor fuel economy and reduced heater performance.

Why choose OEM over aftermarket? OEM thermostats ensure correct fit, factory-spec temperature regulation, and reliable long-term performance tailored to your Bronco’s engine.