HomeBelts and Cooling > Thermostat and HousingGenuine LR005631 Engine Coolant Thermostat / Water Outlet Assembly
Part #: LR005631

Genuine LR005631 Engine Coolant Thermostat / Water Outlet Assembly

⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Land Rover, LR3 and Range Rover Sport
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Reliable Engine Coolant Thermostat for Land Rover LR3 and Range Rover Sport

The Genuine LR005631 Engine Coolant Thermostat / Water Outlet Assembly is designed specifically for Land Rover vehicles, including the LR3 and Range Rover Sport models. This thermostat assembly helps regulate engine temperature to maintain optimal performance and prevent overheating.

  • Genuine part number LR005631 ensures exact fit and function
  • Engine coolant thermostat and water outlet assembly combined for efficient cooling system operation
  • Compatible with Land Rover LR3 and Range Rover Sport models
  • Precision-engineered to maintain proper engine temperature
  • Durable construction for long-lasting performance

Product Details and Compatibility

This Genuine engine coolant thermostat and water outlet assembly (part number LR005631) is engineered to meet the specifications of Land Rover vehicles, specifically the LR3 and Range Rover Sport. The thermostat regulates coolant flow through the engine, opening and closing at precise temperatures to maintain optimal engine operating conditions. The integrated water outlet assembly provides a secure and leak-free connection point for coolant hoses, ensuring efficient circulation within the cooling system.

Common Applications and Problem Resolution

  • Prevents engine overheating by regulating coolant flow
  • Resolves issues related to engine temperature fluctuations
  • Eliminates coolant leaks from the thermostat housing area
  • Restores proper engine warm-up times
  • Helps maintain consistent cabin heating performance

Installation Notes and Tips

When installing the Genuine LR005631 thermostat and water outlet assembly, ensure the engine is cool before beginning work. Drain the coolant system to prevent spills and contamination. Remove the old thermostat housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly before installing the new assembly to ensure a proper seal. Use manufacturer-recommended torque specifications when tightening bolts to avoid leaks or damage.

Quality Assurance and Warranty

As a Genuine Land Rover part, the LR005631 thermostat and water outlet assembly meets strict OEM standards for fit, form, and function. This ensures reliable performance and compatibility with your Land Rover LR3 or Range Rover Sport. While specific warranty details may vary, Genuine parts typically come with a limited warranty covering defects in materials and workmanship.

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009Land RoverLR3N/A
2009Land RoverRange Rover Sport4.4LV8N/AFits naturally aspirated engines.
2008Land RoverLR3N/A
2008Land RoverRange Rover Sport4.4LV8N/AFits naturally aspirated engines.
2007Land RoverLR34.4LV8N/A
2007Land RoverRange Rover Sport4.4LV8N/AFits naturally aspirated engines.
2006Land RoverLR34.4LV8N/A
2006Land RoverRange Rover Sport4.4LV8N/AFits naturally aspirated engines.
2005Land RoverLR3N/A
2005Land RoverLR34.4LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.